Question Bank I SEMESTER PORTIONS

Transcription

1 1 Question Bank I SEMESTER PORTIONS Class: IV Subject: Science Lesson : 1 - FOOD AND DIGESTION I. Fill in the blank(1m) 1. Pancreas produces juices that help to digest. 2. Growing children need in their food. 3. give us more energy and heat than carbohydrates. 4. The blood vessels absorb food. 5. All cooked foods get at room temperature after sometime. II. Choose the Correct Answer.(1m) 1. Which of the following give energy? (a) Fats (b) vitamins (c) minerals 2. Foods rich in vitamins are called foods. (a) Energy-giving (b) body-building (c) protective 3. helps to remove waste materials out of the body. (a) Protein (b) fat (c) roughage 4. Junk foods contain too much (a) Fats (b) proteins (c) minerals 5. Digested food is absorbed by the (a) Stomach (b) large intestine (c) blood vessels 6. are protective nutrients. (a) Vitamins (b) carbohydrates (c) proteins III. Match the following(1m) 1. Rice, wheat, potato Carbohydrates 2. Egg, fish, meat Proteins 3. Butter, ghee, oil Fats 4. Fruits, vegetables, milk Vitamins 5. Makes the food tasty cooking 6. Food contains variety of substances Nutrients IV. True or False(1m) 1. A person becomes fatty after eating too much junk food. 2. Germs present in the food can be killed by cooking. 3. Eggs are rich in carbohydrates. 4. Digestion of food finally completes in stomach. V. Circle the Odd One.(1m) 1. Fries, Chips, Apple 2. Ghee, Dal, Cooking oil 3. Eyes, Pancreas, Liver VI. Name the following.(1m) 1. Food that contains fat and sugar in excess. 2. Food that gives us lot of roughage. 3. It helps the body to dissolve, digest and absorb the food. 4. Food that helps us to build strong bones, teeth and blood.

2 2 5. The organ in our body that churns food. VII. Write the name of the nutrients present in the following foods.(3m) a) (b) (c) I. Answer in one sentence.(1m) 1. Why do we eat food? 2. Why should we chew the food well? 3. Where do we get energy from? II. Answer in two sentences.(2m) 1. How does water help our body? 2. Why is roughage an important part of our diet? 3. What is food preservation? III. Answer briefly.(3m) 1. What is a balance diet? 2. Describe the process of digestion. A. Label the organs of digestion.(4m)(give any four)

3 3 Lesson : 2 TEETH AND MICROBES I. Fill in the blanks: 1m 1. We must brush our teeth at least a day. 2. Milk has that makes our teeth strong. 3. We must floss our everyday. 4. Microbes are very living things. II. Choose the Correct Answer:1m 7. Molars are also called. (b) Tearing teeth (b) cutting teeth (c) grinding teeth 8. The centre of each tooth is called. (b) dentine (b) pulp (c) crown 9. Yellow substance on teeth is called. (b) dentine (b) tartar (c) plaque 10. Sweets and chocolates our teeth. (a) spoil (b) perfect (c) clean III. Match the following:1m 1. Yeast to make cake 2. Pulp lies inside the dentine 3. Tooth decay toothache and holes in teeth 4. Premolar cracking teeth IV. True or False:1m 1. A new born baby has 20 teeth. 2. There are 6 molars in each row. 3. Microbes that cause diseases are called germs. V. Circle the Odd One. 1m each 1. Root, digestion, crown 2. Tartar, viruses, plaque 3. Incisors, canines, bacteria VI. Name the following. 1m each 1. The tearing teeth that helps to tear the food: 2. The thin sticky layer of germs on the teeth: 3. The microbe that causes malaria: 4. The microbe that causes ringworm: 5. An instrument which is used to see microbes: VII. Name the following pictures. 1m each a)

4 4 b) c) d) e) f) g) I. Answer in one sentence. 1m 1. What are germs? 2. Name some diseases caused by viruses. II. Answer in two sentences.2m 1. What are microbes? 2. What are temporary teeth? III. Answer briefly:3m 1. How are teeth important to us? 2. How are microbes useful to us?

5 5 I. Label the parts of a Tooth:4m Lesson : 3 -SAFETY AND FIRST AID I. Fill in the blanks (1m) 1. Do not wear clothes in the kitchen. 2. Stale, spoiled and exposed food can cause food. 3. Do not each other while playing. 4. Wash your hands thoroughly before giving first aid to the injured. 5. Apply an cream like burnol on the burnt part. II. Choose the Correct Answer(1m) 1. Most of the accidents occur due to our. (a) Cleanliness (b) carelessness (c) awareness 2. Always walk on the. (c) footpath (b) road (c) road-divider 3. Always follow the lights on the road. (c) tube (b) sun (c) traffic 4. We should apply an antiseptic cream like on the burnt part. (b) Burnol (b) baking soda (c) washing soda III. Match the following(1m) 1. Cotton clothes kitchen 2. First aid immediate help 3. Dettol antiseptic lotion 4. Cold wet towel nose bleeding 5. Band aids first aid box IV. True or False (1m) 1. We must always follow safety rules. 2. Floor must be kept dry to prevent slipping. 3. We should eat stale, spoiled and exposed food. 4. Keep the burnt area under hot running water.

6 6 V. Circle the Odd One (1m) 1. Cotton bandage scarf 2. Zebra crossing fire traffic light 3. Football nose bleeding insect bite VI. Name the following (1m) 1. An antiseptic lotion which is used to clean wounds. 2. The paste which is used to treat an insect bite. 3. The things that should be kept in a first aid box. 4. Something that prevent infection. 5. The black and white stripes making a path on the road. VII. Identify the following pictures.:1m each h) (b) (c) I. Answer in one sentence. (1m) 1. How can we avoid accidents? 2. Why should we follow safety rules? 3. How do accidents happen in school? II. Answer in two sentences (2m) 1. What is first aid? 2. How can we give first aid to a fainted person? III. Answer briefly. (3m) 1. How do accidents happen at home? 2. What safety rules do you follow when you cross a road? I. Name any four items kept in the first aid box.:4m

7 7 Lesson : 4 CLOTHES OUR PROTECTORS I. Fill in the blanks. (1m) 1. Clothes us. 2. We wear in the school. 3. is a synthetic fibre. 4. is the process of making threads from fibres. 5. For proper care of clothes, we should always use a good quality soap and II. Choose the Correct Answer.(1m) 1. We wear cotton clothes in. (c) summer (b) winter (c) rain 2. Natural fibres are obtained from. (d) Plants and animals (b) chemicals (c) minerals 3. Clothes are made of. (d) fibres (b) steel (c) stones 4. We wear woollen clothes to keep ourselves. 4. cool (b) warm (c) dry III. Match the following.(1m) 1. Spinning first step in making cloth 2. Nylon man-made fibre 3. Designer people who design the clothes 4. Handloom cloth woven by hand IV. True or False (1m) 1. Wool is a natural fibre. 2. People who dye the clothes are called dyers. 3. Only one kind of material is used for making clothes. 4. People who stitch clothes are called weavers. V. Circle the Odd One. (1m) 1. Weaving spinning farming 2. Sun winter summer 3. Silk silkworm cotton 4. Weaving dyeing wearing VI. Name the following. (1m) 1. The machine used to weave clothes. 2. The insect from which silk is obtained. 3. A substance that is used to colour materials. 4. Fibres obtained from chemicals. VIII. Identify the following pictures: 1m each a) (b) (c)

8 8 I. Answer in one sentence. (1m) 1. What is a Charkha? 2. Who are weavers? 3. Why do we wear cotton clothes in summer? II. Answer in two sentences (2m) 1. Why do we wear clothes? III. Answer briefly. (3m) 1. What is the difference between natural and synthetic fibres? 2. How should we wash and store woollen clothes? I. Draw any four clothes made of natural and synthetic fibres:4m Lesson 5- Solids, Liquids and Gases I. Fill in the blanks (1m) 1. The molecules in solids are very packed 2. Liquids have volume. 3. The solute and the solvent together form a. 4. Plants and animals breathe in dissolved in water. II. Choose the correct answer. (1m) 1. Which of the following is a solute? a. Salt b. milk c. water 2. Molecules can be seen only under a. a. Telescope b. microscope c. stethoscope 3. Ice changes into water by. a. Melting b. freezing c. evaporation 4. When sugar is dissolved in water, the water level. a. Increases b. decreases c. remains same 5. is dissolved under pressure in soda water or soft drink. a. Oxygen b. hydrogen c. carbon dioxide. III. Match the following (1m) 1. Sugar solute 2. Water changes into steam evaporation 3. Has definite shape solid 4. Tiny particles that make up substance molecules IV. True or false (1m) 1. Any substance that has mass and occupies space is called matter. 2. Gases have definite shape and volume. 3. On heating, ice changes into water, this is called freezing. 4. The water in lakes, rivers, ponds and sees has a lot of oxygen dissolved in it. V. Circle the odd ones. (1m) 1. Solute solvent evaporation 2. Water oxygen ice 3. Milk glass pen

9 9 VI. Name the following.(1m) 1. A matter having definite volume but not definite shape. 2. Name the solid form of water. 3. Name any one gas dissolved in water. 4. Name a solute other than salt. VII. Identify the pictures.(1m) I. Answer in one sentence. (1m) 1. What is matter? 2. Name three states of matter. Give one example each. II. Answer in two sentences. (2m) 1. Write any two properties of solid. 2. Write any two properties of gases. III. Answer briefly (3m) 1. When sugar is dissolved in water, the volume of water remains the same, why? 2. What is solute and a solvent? Give two examples each. I. Draw to show the arrangement of molecules in solids, liquids and gases.(4m) Lesson 6- Soil I. Fill in the blanks (1m) 1. Rock break down to form. 2. The removal of fertile top soil is called. 3. Dead remains of plants and animals form. 4. Protection of soil from erosion is called II. Choose the correct answer. (1m) 1. soil is found in desert. a. Sandy b. clayey c. loamy

10 10 2. Strong winds and heavy rain causes. a. Deforestation b. afforestation c. soil erosion 3. is used for making pots, toys and kacha house. a. Sandy soil b. loamy soil c. clayey soil 4. There are mainly types of soil. a. Two b. three c. four III. Match the following (1m) 1. Crop rotation soil conservation 2. Clayey soil can hold a lot of water 3. Loamy soil contains sand and clay 4. Removal of top soil soil erosion 5. Humus makes the soil fertile IV. True or false (1m) 1. Earthworms and ants lives in soil. 2. Different places have same types of soil 3. Sandy soil is found in desert and on sea shore. 4. Over grazing increases the fertility of soil. V. Circle the odd ones (1m) 1. Strong wind snow floods 2. Sandy coastal clayey 3. Afforestation deforestation crop rotation VI. Name the following (1m) 1. Cutting down of trees in large numbers. 2. Growing different types of crops in the same field. 3. It contains sand and clay and is used for growing plants. VII. Identify the pictures. (1m)

11 11 I. Answer in one sentence (1m) 1. Name the three types of soil. 2. What makes the soil fertile? 3. What is conservation of soil? II. Answer in two sentences (2m) 1. What is soil? III. Answer briefly (3m) 1. What is soil erosion? Write any two causes of soil erosion. 2. Write any three ways by which we can protect soil. I. Draw the three main types of soil. (4m) Lesson 7 Green Plants I. Fill in the blanks (1m) 1. The leaves are green in colour due to the presence of. 2. Leaves make food by a process called. 3. Extra food made by the leaves is changed into. 4. Iodine gives colour with starch. 5. To maintain the balance in nature we need to protect both plants and. II. Choose the correct answer (1m) 1. Leaf is attached to the stem with the help of. a. Stalk b. leaf blade c. stomata 2. are called food factories of a plant. a. Leaves b. stem c. flowers 3. get their food from dead plants and animals. a. Cactus b. croton c. mushroom 4. When the food is prepared by the plants is given out through stomata. a. Carbon-dioxide b. oxygen c. nitrogen III. Match the following (1m) 1. Stalk, leaf blade parts of a leaf 2. Carbon-dioxide used by plants to make food 3. Crotons dark red in colour 4. Cactus does not have leaves IV. True or false (1m) 1. Plants can make its own food. 2. The colour of chlorophyll is red. 3. Plants and animals depend on each other for their survival. 4. A food chain starts from animals.

12 12 V. Circle the odd ones. (1m) 1. Mango tree moulds mushrooms 2. Stalk stomata stem 3. Carbon-dioxide water oxygen VI. Name the following (1m) 1. Tiny pores on the underside of a leaf. 2. Flow of energy in the form of food from one living thing to another. 3. Leaves used as medicine. 4. The flattened part of a leaf. 5. The main source of energy on the earth. VII. Identify the picture. (1m) I. Answer in one sentence (1m) 1. What is the colour of chlorophyll? 2. What is called kitchen of the plant? II. Answer in two sentences (2m) 1. What is photosynthesis? 2. How does a cactus plant make food? 3. Why cannot plants like moulds and mushroom make their own food? III. Answer briefly (3m) 1. How do plants use their food? 2. Leaves of some plants have chlorophyll, but they appear dark red in colour, why? I. Draw a diagram to show the structure of a leaf. (4m)

13 13 Lesson 8 Adaptations- How Plants Survive I. Fill in the blanks (1m) 1. The mangroves grow in the area. 2. is a desert plant. 3. Water logged places are called. 4. Water lily is an plant. 5. Wolffia is a plant. II. Choose the correct answer (1m) 1. Pondweed is an plant. a. Floating b. underwater c. fixed 2. Plants growing in hilly areas have leaves. a. No b. broad c. needle like 3. Pine trees are found in. a. Desert b. mountains c. water 4. Cactus and palm trees are plants. a. Mountain b. marshy c. desert 5. The spines protect the plants from. a. Animals b. itching c. floating III. Match the following (1m) 1. Deodar and spruce mountain region 2. Peepal and shesham neither too cold nor too hot region 3. Teak and rubber tree do not shsed their leaves 4. Babool and keekar desert plalnts 5. Mould and mushroom non green plants IV. True or false (1m) 1. In hot and humid region, trees have lots of leaves. 2. Water hyacinth and duckweed float on water. 3. Lotus and water lily have stomata on the under surface to breath easily. 4. Underwater plants like seaweed and tape grass breathe through stomata. V. Circle the odd ones (1m) 1. Pine Pistia lotus 2. Wolffia Water hyacinth Peepal 3. Tea Water hyacinth Rubber VI. Name the following (1m) 1. The process of adjustment in a particular environment. 2. Plants growing on land. 3. Insect-eating plants. 4. Non green plants which get their food from dead plants and animals. 5. Plants that grow in water.

14 14 VII. Identify the pictures (1m) I. Answer in one sentence (1m) 1. Name any two plants which grow in hot and humid region. 2. What is a desert? 3. What happens when we touch poison ivy plant? II. Answer in two sentences. (2m) 1. How does a lotus remain afloat? 2. Why do you think only mangrove plants can grow in marshy places? III. Answer briefly (3m) 1. How does a desert plant adapt itself in desert condition? 2. Why do trees in hilly areas have needle like leaves? I. Draw the diagram of the following plants (4m) 1. Terrestrial 2. Aquatic 3. Desert 4. Non-green