Question Bank. II SEMESTER PORTIONS Lesson : 9 ANIMALS AND THEIR YOUNG ONES Part A

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1 1 Class: IV Question Bank Subject: Science II SEMESTER PORTIONS Lesson : 9 ANIMALS AND THEIR YOUNG ONES I. Fill in the blanks. (1m) 1. Inside the yolk there is a growing chick called. 2. The young tadpole grows into a. 3. The of egg has the baby inside. 4. All insects lay. 5. is the resting stage in the life cycle of a butterfly. II. III. Choose the Correct Answer.(1m) 1. The yellow substance present inside the birds egg is called. a. Albumen b. embryo c. yolk 2. The eggs of the reptiles are warmed by the heat of the. a. Body b. sun c. heater 3. Human beings are. a. Amphibians b. mammals c. reptiles 4. The white portion inside the egg is. a. Yolk b. albumen c. spawn 5. The caterpillar slowly changes its shape into. a. Egg b. pupa c. cocoon Match the following.(1m) 1. A lioness cubs 2. Spawns frog s eggs 3. Birds, fish, insects lays eggs 4. Lizards, turtle, snake are reptiles 5. Tadpoles looks like a tiny fish IV. True or False (1m) 1. Most of the mammals live on land breathe through lungs. 2. Dolphins and whales are the mammals that can swim. 3. Dog, elephant and human beings are reptiles. 4. Shedding of old skin by cockroach is called cocoon. V. Circle the Odd One. (1m) 1. Bird fish goat 2. Butterfly nymph caterpillar

2 2 VI. VII. 3. Frog fish tadpole Name the following. (1m) 1. A mammal that can fly. 2. Animals that give birth to young ones and feed them with their own milk. 3. Young ones of a cockroach resembling the adult. 4. The other name of a caterpillar. 5. The growing chick inside the yolk. Identify the following pictures. a) (b) (c) I. Answer in one sentence. (1m) 1. What is reproduction? 2. How many stages are there in the life cycle of a butterfly? II. III. Answer in two sentences (2m) 1. What are the ways by which animals can reproduce? 2. How do the birds take care of their young ones? Answer briefly. (3m) 1. Describe the life cycle of a butterfly. 2. Write about the life cycle of the frog. I. Draw a diagram of the life cycle of a butterfly (4m) Lesson : 10 ADAPTATIONS HOW ANIMALS SURVIVE I. Fill in the blanks. (1m) 1. The natural home of an animal is called its. 2. Elephant is a animal. 3. Animals that live in water are called animals. 4. Birds, butterflies are animals. 5. eat plants only.

3 3 II. III. IV. Choose the Correct Answer.(1m) 1. Animals that live both on land and in water are called. a. Amphibian b. arboreal c. aerial 2. Animals thar spend most of their time on trees are called a. Arboreal b. aerial c. aquatic 3. The polar bear lives in region. a. Mountain b. plain c. polar 4. The animal that has boat shaped body is the. a. Crab b. tortoise c. bird Match the following.(1m) 1. Scavengers the flesh of dead animals 2. Lice and bed bugs are parasites 3. Bees and wasps use their stings to inject poison 4. Tortoise and snails hard shells to protect themselves 5. Porcupine and hedgehog sharp spines to protect themselves True or False (1m) 1. Lions and tigers are carnivorous animals. 2. Camels have special organs to store water for later use. 3. Whales and dolphins breathe through gills. 4. Animals like deer, giraffe, ostrich have very week legs to run. V. Circle the Odd One. (1m) 1. Cow Tiger Buffalo 2. Mosquito Lice Crow 3. Whale Tiger Dolphin VI. VII. Name the following. (1m) 1. Deep sleep during winter. 2. Deep sleep during summer. 3. Mass movement of birds from cold regions to warmer region. 4. The colour and shape of some animals merge with the surroundings. Identify the following pictures. (a) (b) (c)

4 4 I. Answer in one sentence. (1m) 1. What is adaptation? 2. Name some camouflaging animals. II. Answer in two sentences (2m 1. How does a polar bear survive in polar region? 2. What are parasites? III. Answer briefly. (3m) 1. How does a camel live in desert without water for several days? 2. Why do Siberian birds leave their homes in winter? I. Draw an aerial and an aquatic animal. (4m) Lesson: 11- Force Work and Energy I. Fill in the blanks 1. Force can change the of a moving object. 2. opposes the motion of an object. 3. The wind energy can rotate the blades of a. 4. The energy that we get from the sun is called. 5. A steering wheel and bicycle peddle are example of wheel and. II. Choose the correct answer. 1. A ball thrown upward fall down due to. a. Friction. b. Gravitational force. c. Magnetic force 2. is an example of wedge. a. Scissors. b. Screw. c. Axe 3. When a force changes the position of an object, is said to be done. a. Force. b. Work. c. Energy 4. Bottle opener is an example of. a. Inclined plain. b. Pulley. c. Lever. III. Match the following. 1. Sun Main source of energy 2. Inclined plane Load heavy barrels, sacs 3. Wedge Axe 4. Lever See-saw, scissors

5 5 IV. Write true or false. 1. A screw is used to hold the things together. 2. Hydroelectricity is produced through wind. 3. Force can change the direction of moving object. 4. It is very easy to walk on a smooth surface. V. Circle the odd one. 1. Wedge Pulley Ball 2. Screw Bicycle Pulley 3. Solar cooker Solar heater Electric heater VI. Name the following. 1. A force that tries to stop a moving object. 2. A push or a pull required to do work. 3. The energy used by the plants to make food in the green leaves. 4. A device that make our work easier. VII. Identify the following pictures. a. b. c. I. Answer in one sentence. 1. What is energy? 2. Name the force that opposes movement.

6 6 II. Answer in two sentences. 1. When is the work said to be done? 2. When a wall is pushed, it does not move from its place. Is work done in this situation? Why? III. Answer briefly. 1. What is the difference between a lever and a pulley? 2. What is water energy? How is it related to hydroelectricity? I. Draw a diagram of a wind mill. Lesson : 12 AIR WATER AND WEATHER VIII. Fill in the blanks. (1m) 1. The wind that blows gently and lightly is called. 2. A strong wind is called. 3. The change of water into water vapour is called. 4. is the measure of water in air. 5. Tiny drops of moisture on grass and leaves are called. IX. Choose the Correct Answer.(1m) 1. When water vapour condenses on dust particles, it forms. a. Fog b. dew c. hail stone 2. Setting down of mud particles at the bottom of the beaker is called. a. Decantation b. sedimentation c. filtration 3. When the temperature is high, wet clothes dry. a. Quickly b. slowly c. normally 4. Wind that blows very strong is called. a. Gale b. wind storm c. breeze X. Match the following.(1m) 1. Air mixture of many gases 2. Hail hard ball of ice 3. Snow crystals of ice 4. Thunder storm lightning and thunder XI. True or False (1m) 1. When air moves, it is called wind. 2. Sea breeze usually occur during the day. 3. At noon the sun rays falls on earth slantly. 4. Wells, rivers and lakes are the purest form of water.

7 7 XII. Circle the Odd One. (1m) 1. Temperature wind moon 2. Condensation filtration decantation 3. Snow hail rain XIII. Name the following. (1m) 1. Hot and sticky weather. 2. A blanket of air around the earth. 3. The process of adding chlorine in water. 4. The process of purifying water by removing impurities. XIV. Identify the following pictures. b) (b) (c) IV. Answer in one sentence. (1m) 1. What is the simplest method to purify water? 2. What is the purest form of water? V. Answer in two sentences (2m) 1. What is condensation? 2. What is weather? VI. Answer briefly. (3m) 1. When does evaporation take place at faster rate? 2. How does land breeze occur? I. Draw a diagram to show the purification of water by sedimentation and decantation (4m) Lesson : 13 - THE SOLAR SYSTEM I. Fill in the blanks. (1m) 1. The is the nearest star to the earth 2. The is the smallest planet.

8 8 II. 3. The is the planet with rings around it. 4. The earth rotates from on its axis. 5. Places getting salted sun rays have. Choose the Correct Answer.(1m) 1. is the outer planet. It has 27 satellites. a) Uranus b) Neptune c) Earth 2. The nearest planet from the sin is. a) Saturn b) Mercury c) Earth 3. The hottest planet is. a) Mars b) Mercury c) Venus 4. Rotation of the earth causes. a) Days and nights b)seasons c) none III. Match the following.(1m) 5. Venus morning and evening star 6. Earth planet where life exist 7. Jupiter largest planet 8. Neptune coldest planet IV. True or False (1m) 5. The time period taken by the earth to complete its one rotation is called a solar day. 6. Pluto is the Dwarf Planet. 7. The coldest planet of the solar system is Venus. 8. Mars is called the blue planet. V. Circle the Odd One. (1m) 4. Venus Earth Sun 5. Mars moon Jupiter 6. Solar day solar year hemisphere VI. Name the following. (1m) 5. The imaginary line running from North Pole to South Pole. 6. The imaginary line around the earth that divides it into two equal halves. 7. A path followed by a planet travelling around the sun. 8. The vast space that includes all the heavenly bodies like stars, planets, moons, meteoroids and comets.

9 9 VII. Identify the following pictures. c) (b) (c) VII. Answer in one sentence. (1m) 3. Name the sixth planet of the solar system. 4. How many satellites does Jupiter have? VIII. Answer in two sentences (2m) 3. What is solar system? 4. Why does the sun appear to rise in the east and set in the west? IX. Answer briefly. (3m) 1. What is the difference between rotation and revolution of the earth? 2. How does change in seasons takes place due to the movement of the Earth? Draw a diagram of the rotation of the earth showing northern and southern hemisphere (4m) Lesson : 14 KEEPING OUR EARTH GREEN AND CLEAN I. Fill in the blanks: 1m 1. Wastes from factories cause water. 2. Burning of fuels produces that causes air pollution. 3. The from vehicles and factories is releases into the air making it dirty. 4. The three R s are reduce, reuse and. 5. Trees are being cut down for getting. II. Choose the Correct Answer:1m 1. World environment day is celebrated on. a) June 5 b) July 5 c) August 5 2. means the presence of harmful substances in air, water and land. a) Population b) pollution c) garbage

10 10 3. We should keep the domestic waste in. a) Store b) dustbin c) polythene 4. Soil pollution makes the soil. 5. a) fertile b) infertile c) soft III. Match the following:1m 1. Tress give fruits and vegetables to eat 2. Air pollution burning garbage 3. Soil pollution the garbage lying around 4. Pollutants harmful substances. IV. True or False:1m 1. Burning of coal pollutes the soil. 2. Sulphur dioxide is a poisonous gas. 3. Smoke from the chimneys pollutes the water. 4. We must adopt three R s to reduce pollution. V. Circle the Odd One. 1m each 1. Air pollution water pollution food pollution 2. Washing clothes smoke bathing animals 3. Milk air water VI. VII. Name the following. 1m each 1. Planting trees in large number. 2. Cutting down of trees in large number. 3. Natural conditions around us like air, water and soil. 4. A festival of trees which is celebrated in July for one week. Name the following pictures. 1m each a) c) b) I. Answer in one sentence. 1m 1. Name three types of pollution.

11 11 II. III. 2. Name two things that make the water dirty. Answer in two sentences.2m 1. What is pollution? 2. What is world environment day? Answer briefly:3m 1. How can we keep the air clean? 2. In what ways we can reuse the items? I. Draw a neat diagram dto show the difference between afforestation and deforestation.