Alpine-G4-Workbook-Science-Part1

A PRODUCT OF CLASSKLAP SCIENCE WORKBOOK - PART 1 ALPINE SERIES Latest Edition 4 Name: ___________________________________ Section: ________________ Roll No.: _________ School: __________________________________ NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 1 2/1/2018 11:59:46 AM

Preface IMAX partners with schools, supporting them with learning materials and processes that are all crafted to work together as an interconnected system to drive learning. IMAX presents the latest version of the Alpine series – updated and revised after considering the perceptive feedback and comments shared by our experienced reviewers and users. Designed specifically for state board schools, the Alpine series endeavours to be faithful to the spirit of the State Curriculum Framework and the National Curriculum Framework (NCF) 2005. Therefore, our books strive to ensure inclusiveness in terms of gender and diversity in representation, catering to the heterogeneous Indian classroom. The larger aim of the NCF 2005 regarding science teaching is to acknowledge and address the dynamic nature of science by focusing on the development of skills to acquire and process information scientifically. The Alpine EVS/Science textbooks and workbooks for state board schools offer the following features:  Interactive content that engages students through a range of open- ended questions that build curiosity and initiate scientific 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 science-specific vocabulary building  Integrated education of values and life skills  Promotion of participatory and contextualised learning through the engagement of all relevant stakeholders in the learning process Overall, the IMAX Alpine EVS/Science textbooks, workbooks and teacher companion books aim to enhance the development of scientific temper along with the inculcation of healthy habits, skills and values that promote environmentally sensitive and culturally responsive democratic citizenship among students. – The Authors NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 2 2/1/2018 11:59:47 AM

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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 3 2/1/2018 11:59:47 AM

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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 4 2/1/2018 11:59:48 AM

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. ____________________________________________________________________________________ NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 5 1 2/1/2018 11:59:48 AM

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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 6 2/1/2018 11:59:48 AM

Long Answer Question 14) What all did your parents do when they were small? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 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 Short Answer Questions 17) What is adoption? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Growing up with Family 3 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 7 2/1/2018 11:59:48 AM

18) What do the adoptive parents do for their adopted child? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) Rahul wants to adopt a puppy. What all should he do to take care of it? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 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) 4 2/1/2018 11:59:48 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 8

Ans. Mother Father ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ ________________________________________ Growing up with Family 5 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 9 2/1/2018 11:59:48 AM

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 2/1/2018 11:59:48 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 10

Short Answer Question 7) Label the parts of the digestive system. 1) 2) 3) 4) 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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 11 2/1/2018 11:59:48 AM

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) Describe the process of digestion in the stomach. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Application [     ] Multiple Choice Questions 15) What helps us to taste food? (A) bile (B) teeth (C) stomach (D) tongue 8 2/1/2018 11:59:48 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 12

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 happens when we do not eat food? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Digestive System 9 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 13 2/1/2018 11:59:48 AM

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? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 10 2/1/2018 11:59:48 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 14

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 given 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. ____________________________________________________________________________________ NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 15 11 2/1/2018 11:59:48 AM

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. 2/1/2018 11:59:48 AM 11) Kidneys work like filters.  12 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 16

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) Describe excretion through lungs. 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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 17 2/1/2018 11:59:48 AM

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) What happens if kidneys do not function properly? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) How can drinking enough water prevent the formation of kidney stones? 14 2/1/2018 11:59:48 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 18

Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Excretory System 15 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 19 2/1/2018 11:59:49 AM

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 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. ____________________________________________________________________________________ 16 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 20

Short Answer Question 7) What do you mean by the prevention of a disease? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Understanding Match the Following a) disease caused due to lack of vitamin A 8) cholera b) waterborne disease 9) measles c) airborne disease 10) malaria d) disease spread by insects 11) night blindness Short Answer Questions 12) What are germs? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) Name any two causes of diseases that do not spread. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) Compare the two types of diseases. Diseases 17 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 21 2/1/2018 11:59:49 AM

Ans. Diseases that spread Diseases that do not spread ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ 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 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 22

18) How can we prevent mosquito bites? State any two ways. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 19) State any four ways to prevent diseases that do not spread. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) What care should be taken during epidemics? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Diseases 19 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 23 2/1/2018 11:59:49 AM

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) The ____________________________ 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. ____________________________________________________________________________________ 20 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 24

Short Answer Question 7) What kind of waste is found in villages? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 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) How can the garbage we throw in our surroundings be harmful to us? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Keeping Our Neighbourhood Clean 21 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 25 2/1/2018 11:59:49 AM

____________________________________________________________________________________ ____________________________________________________________________________________ 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 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 26

Long Answer Question 19) Explain recycling of waste. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) List 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 Waste that can be used to make compost ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ Keeping Our Neighbourhood Clean 23 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 27 2/1/2018 11:59:49 AM

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. _______________________________________________________________________ 24 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 28

Short Answer Question 7) What is potable water? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Understanding Match the Following a) different types of filters 8) process of removing unwanted substances from water b) boiling for 10–15 minutes 9) chemical used to purify water c) water purification 10) thin cloth, gravel and charcoal d) chlorine 11) method to make water fit for drinking 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? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Water Storage and Quality 25 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 29 2/1/2018 11:59:49 AM

____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 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. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 26 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 30

Long Answer Question 19) How does the use of chemicals in farms and fields lead to water pollution? Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) The 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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 31 2/1/2018 11:59:49 AM

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. ____________________________________________________________________________________ 28 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 32

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. [        ] 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) Write any four uses of soil. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Importance of Soil 29 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 33 2/1/2018 11:59:49 AM

____________________________________________________________________________________ ____________________________________________________________________________________ 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) Write any four ways to prevent soil pollution. 30 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 34

Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Most of the plants do not grow well in sand. Give reasons. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Importance of Soil 31 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 35 2/1/2018 11:59:49 AM

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) tap root (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. 2/1/2018 11:59:49 AM 32 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 36

6) Name a plant with fibrous roots. Ans. ____________________________________________________________________________________ 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 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 37 2/1/2018 11:59:49 AM

Short Answer Questions 12) Describe any one function of flowers. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 13) List any two functions of roots. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Long Answer Question 14) What will happen to the plant if we cut its roots? Explain why. 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 34 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 38

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 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) Give any four uses of flowers for humans. Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Roots and Flowers 35 NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 39 2/1/2018 11:59:49 AM

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Some flowers are used to make soaps and perfumes. What can be the reason for this? From the list of flowers given, identify the flowers which can be used to make perfumes. lily, jasmine, hibiscus, rose, sunflower, dahlia, orchid, lotus Ans. ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 36 2/1/2018 11:59:49 AM NR_BGM_Alpine-G4-Workbook-Science-Part1_text.pdf 40