EVS – I              (SCIENCE)     WORKBOOK – PART 1                        4    Name: ___________________________________  Section: ________________ Roll No.: _________  School: __________________________________
Preface    ClassKlap partners with schools, supporting them with learning materials and  processes that are all crafted to work together as an interconnected system to  drive learning. ClassKlap presents the latest version of the Magnolia series –  updated and revised after considering the perceptive feedback and comments  shared by our experienced reviewers and users.    The Magnolia series endeavours to be faithful to the spirit of the prescribed  board curriculum. Furthermore, to facilitate comprehensive coverage, improved  understanding of diverse themes and ease of implementation, the EVS curriculum  has been split into EVS – I (Science) and EVS – II (Social Studies). Our books are split  into two parts to manage the bag weight. They also strive to ensure inclusiveness  in terms of gender and diversity in representation, catering to the heterogeneous  Indian classroom.    The Magnolia EVS – I (Science) textbooks and workbooks offer the following  features:            Interactive content that engages students through a range of open-               ended questions that build curiosity and initiate exploration            Opportunities for experimentation, analysis and synthesis of ideas and               concepts            Exposure to locally relevant environmental problem solving          Effective use of visual elements to enable learning of structures, processes                 and phenomena          A focus on subject-specific vocabulary building          Integrated learning of values and life skills          Promotion of participatory and contextualised learning through the                 engagement of all relevant stakeholders in the learning process    Overall, the ClassKlap Magnolia EVS – I (Science) textbooks, workbooks and  teacher companion books aim to inculcate healthy habits, skills and values that  promote environmentally sensitive and culturally responsive democratic  citizenship among students.                                                                                                    – The Authors    Alpine_Contents.indd 1  04-Nov-19 5:03:44 PM
Workbook Features                   Remembering                               Understanding    Questions aimed at helping students to    Questions aimed at helping students  recollect critical information regarding  engage with the ‘how’ and ‘why’ of  the ‘who’, ‘what’, ‘when’ and ‘where’ of  the concept  the concept                   Application    Applying the understanding of the  concept to questions related  to real-life scenarios                   Higher Order Thinking Skills (H.O.T.S.)    Extending the application of the concept to more  advanced and challenging questions that meet  the criteria of higher order thinking skills
Contents  4Class    1	 Growing up with Family���������������������������������������������������������������������������������������������� 1  2	 Digestive System��������������������������������������������������������������������������������������������������������� 6  3	 Excretory System������������������������������������������������������������������������������������������������������ 11  4	 Diseases��������������������������������������������������������������������������������������������������������������������� 16  5	 Keeping Our Neighbourhood Clean���������������������������������������������������������������������� 20  6	 Water Storage and Quality�������������������������������������������������������������������������������������� 24  7	 Importance of Soil���������������������������������������������������������������������������������������������������� 28  8	 Roots and Flowers����������������������������������������������������������������������������������������������������� 32
Lesson       1 Growing up with Family       Remembering    Multiple Choice Questions    1)	 Which of the following animals lays eggs?              [     ]    	(A) dog					    	(B) cat			    	(C) cow					    	 (D) hen	    2)	 Which of the following animals gives birth to babies?  [     ]    	 (A) frog		    	(B) lizard		    	 (C) lion		    	 (D) snake    Fill in the Blanks    3)	 Calves grow inside the mother cow for about _______________________________________.    4)	 Young ones of some animals hatch out of ___________________________________________.    Very Short Answer Questions    5)	 What do you see in the picture shown below?    	    Ans.	____________________________________________________________________________________                                                                                                         1
6)	 Rearrange the jumbled letters to find the names of young ones of animals.    	 a) iketnt: _________________________________________________ (Hint: young one of a cat)    	 b) ikchc: _________________________________________________ (Hint: young one of a hen)    Short Answer Question    7)	 Group the following into animals that lay eggs and animals that give birth to babies.    	 horse, fish, elephant, hen    Ans.     Animals that lay eggs                     Animals that give birth to babies             ________________________________________ _______________________________________           ________________________________________ _______________________________________           ________________________________________ _______________________________________             Understanding    True or False                                                        [        ]  8)	 Young ones of animals mostly depend on their mothers for food.    9)	 A hen feeds its young ones with milk.                           [        ]    10)	 Human babies do not drink milk.                                [        ]    11)	 Our parents were also born as small babies.                    [        ]    Short Answer Questions    12)	 How do the animals that give birth to young ones feed their babies? Give an example.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    13)	 Who all take care of a newborn human baby?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________          2
Long Answer Question    14)	In the space given, write what your parents did when they were small. Use the images           as hints.    a) _____________________________   b) _____________________________      _____________________________       _____________________________    c) _____________________________   d) _____________________________      _____________________________       _____________________________    e) _ ____________________________  f) _ ____________________________      _____________________________       _____________________________    g) _ ____________________________  h) _ ____________________________      _____________________________       _____________________________                  Application                                     [     ]                                                                [     ]  Multiple Choice Questions  15)	 What do you see in the picture?  	 (A) a joint family  	 (B) a family with new born baby  	 (C) family with their adopted dog  	 (D) orphans  16)	 Children who have lost both their parents are called:   	 (A) orphans					 (B) adopted babies  	 (C) newborn babies				 (D) young ones                                        Growing up with Family    3
Short Answer Questions  17)	 What is adoption?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  18)	 What do the adoptive parents do for their adopted child?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  Long Answer Question  19)	What should Rahul do to take care of his puppy? Use the images as hints.                         a) b)       ____________________________________  ____________________________________     ____________________________________  ____________________________________       c) d)       ____________________________________  ____________________________________     ____________________________________  ____________________________________    4
Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question  20)	 List the things your mother and father do to take care of you.    	(Hint: provide food, play with you, help you with your homework, buy new things, teach           you good manners and so on)    Ans.	  Mother                                   Father           ________________________________________ ________________________________________         ________________________________________ ________________________________________         ________________________________________ ________________________________________         ________________________________________ ________________________________________         ________________________________________ ________________________________________         ________________________________________ ________________________________________                                                    Growing up with Family  5
Lesson    2 Digestive System       Remembering    Multiple Choice Questions    1)	 Which of the following is not a part of the digestive system?  [     ]    	(A) stomach			    	(B) small intestine    	(C) heart			    	 (D) large intestine    2)	 Name the part of the digestive system which connects the mouth to the stomach.   [   ]    	(A) liver			    	(B) food pipe    	(C) anus			    	 (D) small Intestine    Fill in the Blanks    3)	 The breaking down of food inside our body is called ______________________________.    4)	 The ________________________ is a stretchy bag-like organ of the digestive system.    Very Short Answer Questions    5)	 Name the part of the digestive system where digestion starts.    Ans.	____________________________________________________________________________________    6)	 Which is the largest and the heaviest organ in the body?    Ans.	____________________________________________________________________________________    6
Short Answer Question  7)	 Label the parts of the digestive system.            a) _____________________________          b) _____________________________            c) _____________________________          d) _____________________________                  Understanding    Circle the Correct Word  8)	 Bile / Saliva / Anus is a juice produced by the liver.  9)	 We chew the food with our tongue / teeth / liver.  10)	 Digestion of food gets completed in small intestine / mouth / stomach.  11)	 Tongue / Teeth / Stomach helps in the mixing of food with the saliva.                                                  Digestive System               7
Short Answer Questions  12)	 Name any two juices of the digestive system.  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  13)	 How does the tongue help in digesting food?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  Long Answer Question  14)	 Complete the process of digestion in the stomach.                                                   Food enters into the stomach.         ___________________________________________________________________________________       ___________________________________________________________________________________         ___________________________________________________________________________________       ___________________________________________________________________________________         ___________________________________________________________________________________       ___________________________________________________________________________________         ___________________________________________________________________________________       ___________________________________________________________________________________         8
Application    Multiple Choice Questions    15)	 What helps us to taste food?                                  [     ]    	(A) bile						(B) teeth		    	(C) stomach 						(D) tongue    16)	 What happens when we have indigestion?                        [     ]    	 (A) We get a lot of energy.				 (B) We may vomit.    	 (C) The food gets broken down.			 (D) It helps us to grow.    Short Answer Questions    17)	 What is indigestion?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    18)	 Why should we take care of our mouth?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    19)	 What will happen if we do not eat any food?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________                                                      Digestive System  9
Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question  20)	What can we do to help the people who do not have food to eat? Write in the space             given. Use the images as hints.                    a) b)        __________________________________  __________________________________      __________________________________  __________________________________              c)                                 d)        __________________________________  __________________________________      __________________________________  __________________________________    10
Lesson    3 Excretory System    Remembering    Multiple Choice Questions    1)	 What is the process of removal of wastes from the body known as?              [    ]    	 	(A) purification    	(B) digestion    	(C) excretion    (D) disposal    2)	 Name the part of the excretory system shown in the image.	                    [   ]    	 	(A) lungs    (	B) stomach    	(C) kidneys    (D) urinary bladder    Fill in the Blanks    3)	The organ system which removes the liquid wastes from our body is called the	           _______________________________ system.    4)	 The ____________________________ is a pipe-like structure which opens outside the body.    Very Short Answer Questions    5)	 Which part of the excretory system looks like a bag?    Ans. 	____________________________________________________________________________________    6)	 Which parts of the excretory system are bean-shaped?    Ans. 	____________________________________________________________________________________                                                                                       11
Short Answer Question    7)	 Draw a diagram and label the parts of the human excretory system.  Ans. 	                  Understanding                                            [       ]                                                                         [        ]  True or False                                                          [        ]  8)	 The urinary bladder stores urine.                                 [       ]  9)	 Oxygen is thrown out as a waste by the lungs.  10)	 Skin is the largest excretory organ of our body.  11)	 Kidneys work like filters.         12
Short Answer Questions  12)	 How does the skin function as an excretory organ?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  13)	 What happens to the waste collected from the blood by the kidneys?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  Long Answer Question  14)	 Lungs help in excretion. Answer the following questions to explain.  	 a) W hat is the waste that lungs throw out of the body (excrete)? Tick the correct                 option.    	 A) urine  B) salts  C) excess water  D) carbon dioxide    	 b) How do lungs excrete this waste?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________                  Application                                                      [    ]    Multiple Choice Questions  15)	 Which of the following may not be a sign of non-functioning of kidneys?  	 (A) reddish eyes			  	(B) colour and smell of urine  	(C) tiredness				  	 (D) vomiting                                           Excretory System                        13
16)	 What will happen if the excretory system does not work properly?   [    ]    	 (A) Urine formation will not be affected at all.    	(B) The person will feel hungry.    	(C) Liquid waste will pile up inside the body.    	 (D) It will improve the functioning of other body parts.    Short Answer Questions    17)	 How can we take care of our skin?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    18)	 State two ways in which we can keep our lungs healthy.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    19)	Answer the following questions to tell what will happen if the kidneys do not function           properly.    Ans.	           a) W hat changes will we see in             the urine?           b) What can happen to us?           c) What changes will we see in            our body?    14
Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question  20)	We can prevent the formation of kidney stones. Solve the following crossword to know             how.  Across  	 a) Kidney stones are formed here.  	 b) Not drinking enough of this leads to the formation of kidney stones.  	 c) Excess of this causes the formation of kidney stones.  Down  	 d) An excess of this too can cause the formation of kidney stones.  	 e) Kidney stones block this when they are the size of a pea.	           e)  d)  a)                  N                                               E  b) T               c) T                                                  Excretory System  15
Lesson    4 Diseases        Remembering    Multiple Choice Questions    1)	 What is the best way to keep our body free from diseases?  [     ]    	 (A) not covering our mouth while coughing    	(B) by keeping the disease-causing germs away from our body    	 (C) by eating junk food    	 (D) not washing our hands and legs after playing outside    2)	 Which of the following is the symptom of a disease?        [     ]    	 (A) We sneeze when we have a common cold.    	(B) We cry when we feel sad.    	 (C) We laugh when we are happy.    	 (D) We need water when we are thirsty.    Fill in the Blanks    3)	 A ______________________________ is an unhealthy thing happening to the body or mind.    4)	 The __________________________ are the signs shown by our body when we are not well.    Very Short Answer Questions    5)	 What is identifying a disease from its symptoms called?    Ans.	____________________________________________________________________________________    6)	 Name any two diseases that affect human beings.    Ans.	____________________________________________________________________________________    Short Answer Question    7)	 What do you mean by the prevention of a disease?    Ans.	____________________________________________________________________________________    16
____________________________________________________________________________________  	____________________________________________________________________________________           Understanding    Match the Following     		          a) disease caused due to lack of vitamin A  8)	 cholera    9)	 measles             		          b) waterborne disease    10)	 malaria            		          c) airborne disease    11)	 night blindness    		          d) disease spread by insects    Short Answer Questions  12)	 What are germs?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    13)	 Name any two causes of diseases that do not spread.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question  14)	 Distinguish between the two types of diseases.    Ans.	         Diseases that spread                   Diseases that do not spread           ________________________________              ________________________________         ________________________________              ________________________________         ________________________________              ________________________________         ________________________________              ________________________________         ________________________________              ________________________________         ________________________________              ________________________________                                                              Diseases                17
Application    Multiple Choice Questions    15)	 Which of the following is a way of preventing airborne diseases?     [     ]    	 (A) using a water purifier				    	(B) wearing a mask    	 (C) using mosquito repellent creams		    	 (D) eating junk food    16)	 Which one of the following is a way to prevent waterborne diseases?  [     ]    	 (A) washing both hands with soap and water before and after eating    	 (B) using a handkerchief while sneezing or coughing    	 (C) drinking clean water after boiling or purifying    	 (D) wearing full-sleeved clothes    Short Answer Questions    17)	 What does the doctor do for us when we suffer from any disease?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    18)	 How can we prevent mosquito bites? State any two ways.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    19)	How can we keep ourselves safe from diseases that do not spread? Write in the space           given. Use the images as hints.    18
a) b)                         c) d)    ____________________ _____________________ ____________________ ____________________  ____________________ _____________________ ____________________ ____________________    Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question    20) 	W hat care should be taken during epidemics? Solve the following crossword to answer.    Across					Down    a) Drink this type of water.  c) Get this person to check the one who is sick.  b) Eat this type of food.     d) Wear this when going out.                   c)  a) O    b) H                          d)                                M                                             Diseases  19
Lesson                            Keeping Our                             Neighbourhood Clean   5            Remembering    Multiple Choice Questions    1) Which of the following waste decays under the soil?                [   ]    (A) glass pieces                             (B) plastic bottles    (C) leftover food                            (D) plastic bags    2) Which of the following is an example of a gaseous waste?           [   ]    (A) rotten fruits                            (B) paper cups    (C) wastewater from factory                  (D) smoke from vehicles    Fill in the Blanks    3) Things which are no longer useful to us are called ___________________________________.    4) T	 he ____________________________ of waste happens with the help of air, water and tiny           organisms.    Very Short Answer Questions    5) Give any one example of wet waste.    Ans.	____________________________________________________________________________________    6) Give any one example of dry waste.    Ans.	____________________________________________________________________________________    Short Answer Question    7) What kind of waste is found in villages?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    20
Understanding    True or False    8) We need not sort the waste before disposal.               [    ]    9) Sorted waste should be disposed of in separate bins.      [    ]    10) Some waste is burnt in big, oven-like machines.          [    ]    11) Useful products cannot be made from any waste.           [    ]    Short Answer Questions    12) List the two steps of easy waste disposal.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    13) What is done with the waste collected in dumping yards?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    14) 	H ow can littering the surroundings with garbage be harmful to us? Write in the space           given.    a) _______________________________________      b) _______________________________________      _______________________________________         _______________________________________                            Harmful effects of littering the                           surroundings with garbage    c) _______________________________________      d) _______________________________________      _______________________________________         _______________________________________                            Keeping Our Neighbourhood Clean      21
Application                                [   ]                                                           [   ]  Multiple Choice Questions  15) We should reduce the use of which of the following?             (A) plastic bags           (B) cloth bags           (C) giving old clothes to the needy           (D) recycled items  16) What causes air pollution?           (A) using cloth bags           (B) burning waste and plastics           (C) throwing the waste in proper waste bin           (D) reusing toys  Short Answer Questions  17) What is the sign shown below used for?    Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  18) Name any two Rs of the 3R method.  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________        22
Long Answer Question  19) ‘We recycle to reduce waste.’ Based on this answer the following questions.             a) What is recycling?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________           b) Write the next steps for recycling old newspapers in the space given.    Ans.	                            ____________________    ____________________           Old newspapers   ____________________    ____________________          are collected.  ____________________    ____________________                            ____________________    ____________________           Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question    20) 	L ist the waste collected in your house daily for a week. Find out which of them can be           used for making compost to grow plants in a kitchen garden.    Ans.	  Type of waste collected                  Can be used to make compost?                                                                   (Yes/No)                            Keeping Our Neighbourhood Clean                          23
Lesson                     Water Storage and                                     Quality   6            Remembering    Multiple Choice Questions    1)	 Identify the system of water storage shown in the picture.           [   ]    		(A) draw well    (B) stepwell		    	 (C) dam		    	 (D) borewell    2)	 Which of the following were built across the rivers to store water?  [     ]    	(A) stepwells				(B) draw wells		    	(C) borewells				(D) bunds    Fill in the Blanks    3)	 The large artificial lake of water formed behind a dam is called a ____________________.    4)	 Borewells are dug to draw out _____________________ using pumps.    Very Short Answer Questions  5)	 Name any one dam in India.  Ans.	____________________________________________________________________________________  6)	 Name one storage system used to store groundwater.  Ans.	____________________________________________________________________________________  Short Answer Question  7)	 What is potable water?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________    24
Understanding    Match the Following    8)	 purification centres						                 a) different types of filters    9)	 chemical used to purify water				          b) boiling for 10–15 minutes    10)	 thin cloth, gravel and charcoal				       c) water is purified here    11)	 method to make water fit for drinking			  d) chlorine  Short Answer Questions    12)	 What is water purification?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    13)	 What should be done to make water at our home free of germs?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________  Long Answer Question    14)	How does the water from a reservoir reach our house? Draw a labelled diagram to           explain.    Ans.	                                      Water Storage and Quality        25
Application    Multiple Choice Questions    15)	Which of the following practices need to be stopped to avoid water pollution in    villages?                                                                            [     ]    	 (A) boiling water before drinking 			    	 (B) adding chlorine to purify water    	 (C) bathing animals in river water			    	 (D) using toilets for defecating    16)	 What should we do to prevent water pollution?                                   [     ]    	 (A) washing clothes in water bodies    	 (B) not letting out the wastewater in a source of drinking water    	 (C) defecating in the open    	 (D) bathing animals in the river    Short Answer Questions    17)	 What is water pollution?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    18)	Some people throw garbage collected from their houses in the nearby water bodies. Is           this a right practice? Give a reason to justify your answer.    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    19)	How does the use of chemicals in farms and fields lead to water pollution? Complete           the concept map to explain.    26
Chemicals are sprayed on plants.    a) _________________________________  b) _________________________________  ____________________________________  ____________________________________  ____________________________________  ____________________________________  ____________________________________  ____________________________________                                                        Leads to water pollution                  Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question  20)	 T he given picture shows water in a river covered with             water plants. What would you suggest so that this           does not happen to the river in your city/village?    Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________                                          Water Storage and Quality               27
Lesson                       Importance of Soil     7            Remembering    Multiple Choice Questions    1)	 Soil that is rich in minerals and nutrients is called:                               [     ]    	 (A) organic matter (B) fertile soil (C) microorganism (D) humus    2)	 I live in soil. I make holes in the soil to live. This allows air to enter the soil.  [     ]  	 Who am I?    	 (A) bacteria             (B) virus  (C) earthworm          (D) protozoa    Fill in the Blanks    3)	 The living and the dead things in the soil are ____________________________ matter.    4)	 ________________ is the dark layer formed on soil when plants and animals rot in the soil.    Very Short Answer Questions    5)	 What do we call the loose material that lies on top of the land?    Ans.	____________________________________________________________________________________    6)	 Name any one small animal that lives in the soil.    Ans.	____________________________________________________________________________________    Short Answer Question    7)	 How are microorganisms like fungi in the soil useful?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________            Understanding    True or False                                                                             [       ]  8)	 When there is rain, soil absorbs water.    28
9)	 Soil is not required for the growth of crops.          [        ]  10)	 Soil is used for making pots, idols, toys and so on.  [        ]  11)	 Soil does not provide shelter for animals.            [       ]  Short Answer Questions    12)	 Why is soil used as a building material?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    13)	 How do plants get water from the soil?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    14)	Fill in the boxes to describe the uses of soil to humans and other animals. Use the           images as hints.    Ans.	 a)                          ______________________________________________________                          ______________________________________________________    b)                                  ______________________________________________________                                  ______________________________________________________    c)                                  ______________________________________________________                                ______________________________________________________    d)                                   ______________________________________________________                                 ______________________________________________________                                                                Importance of Soil            29
Application    Multiple Choice Questions    15)	Which of the following prevents soil erosion?                  [     ]    	 (A) cutting down of trees				 (B) building bunds across the farms    	(C) grazing by animals				(D) farming activities    16)	What causes soil pollution?                                    [     ]    	 (A) dumping of waste				 (B) building bunds across the farms    	(C) planting trees					(D) growing grass on barren land    Short Answer Questions    17)	 What is soil erosion?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    18)	 What is soil pollution?    Ans.	____________________________________________________________________________________    	____________________________________________________________________________________    	____________________________________________________________________________________    Long Answer Question    19)	Tick the practices that are good for the soil. Cross the bad practices. Also, write the           reasons.    	 a) Use paper or cloth bags instead of plastic.						    Ans.	____________________________________________________________________________________    	 b) Add chemicals to the soil to increase the growth of plants.			    Ans.	____________________________________________________________________________________    	 c) Mix organic matter with the soil to help plant growth.				    Ans.	____________________________________________________________________________________    30
d) Throw out waste from factories and homes without treating them.		  Ans.	____________________________________________________________________________________              Higher Order Thinking Skills (H.O.T.S.)    Long Answer Question    20)	Which soil is better for growing plants? Tick the correct option and cross the wrong           option. Also, write the reason.    Ans.	 a)              ___________________________________________                          ___________________________________________                          ___________________________________________                          ___________________________________________    b) ___________________________________________                                                            ___________________________________________                                                          ___________________________________________                                                          ___________________________________________                                                       Importance of Soil  31
Lesson                           Roots and Flowers     8            Remembering    Multiple Choice Questions    1)	 Young buds are covered with green, leaf-like parts called:                      [     ]    	 (A) petals		    		(B) sepals    (C) roots		    	 (D) branches    2)	 The type of root in which there is a thick main root with branches is called:   [     ]    	(A) lateral root				(B) taproot    	(C) fibrous root				            (D) branching root    Fill in the Blanks    3)	 ________________________________ consists of thin branching roots of almost equal size.    4)	 A bud opens up to show the ___________________________________.    Answer in One Word    5)	 Label the part of a flower.    	    6)		 Name a plant with fibrous roots.  Ans.	____________________________________________________________________________________        32
Short Answer Question  7)	 Define fibrous root with a diagram.  Ans.	____________________________________________________________________________________  	 ____________________________________________________________________________________  	 ____________________________________________________________________________________  	                  Understanding                              [        ]                                                           [       ]  True or False                                            [        ]  8)	 Flowers absorb water and nutrients from the soil.   [       ]  9)	 Carrots store food in their leaves.   10)	 Producing seeds is the main function of flowers.   11)	 Fruits grow into flowers.                                                             Roots and Flowers  33
Short Answer Questions  12)	 Describe any one function of flowers.  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  13)	 List any two functions of roots.  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  Long Answer Question  14)	 Why are roots important to a plant? What will happen to the plant if we cut its roots?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________                  Application                                                  [     ]    Multiple Choice Questions  15)	 Identify the part of plant shown in the picture used as a spice.   	(A) root				(B) stem			  	(C) bud				(D)leaf    16)	 What are scented flowers such as rose and jasmine mainly used for?   [     ]    	 	(A) in preparing food items as vegetables		 (B) in preparing perfumes    (C) in preparing spices					(D) in preparing gums    34
Short Answer Questions  17)	 Give any two uses of roots to human beings.  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  18)	 How do the roots of plants protect the soil?  Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  Long Answer Question  19)	 Write one use of each flower given below. One has been done for you.  	 rose                 perfume  b) clove             c) hibiscus          d) jasmine  a) cauliflower    ___________________   ___________________  ___________________  ___________________  ___________________   ___________________  ___________________  ___________________    e) marigold           f) saffron           g) zinnia            h) orchid    ___________________   ___________________  ___________________  ___________________  ___________________   ___________________  ___________________  ___________________                                               Roots and Flowers    35
Higher Order Thinking Skills (H.O.T.S.)  Long Answer Question    20)	Why are some flowers used in soaps and perfumes? Identify the flowers which can be           used to make perfumes from the list given in the brackets. (Lily, jasmine, rose, hibiscus,           sunflower, dahlia, orchid, lotus)    Ans.	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________  	____________________________________________________________________________________        36
                                
                                
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