A. Multiple Choise Question (MCQs). Tick the correct option :
1. A turtle has __________ limbs.
(a) two (b)three (c)four
Ans- four
2.Insects have___________ legs.
(a) six (b)five (c) four
Ans- six
3. Amphibians live __________.
(a) on land (b) in water (c) both (a) and (b)
Ans- Both (a) and (b)
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B. Fill in the blanks:
1. Animals which possess a backbone are called__ vertebrates__
2. Fish have fins and_ tail_ on their body.
3. Bird's body is_ covered_ with feathers.
4. Reptiles breathe through their_ lungs_.
5. The Siberian Cranes _migrate_ to India.
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C. Write 'T' for true or 'F' for false statements:
1. snakes have do not limbs.[T]
2. All animals can be divided into four groups. [F]
3. Gills take in oxygen and give out carbon dioxide. [T]
4. All insects and worms are vertebrates.[F]
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D. Match the columns: Questions
1. Mouse, goat, cow, tiger a. birds
2. Salmon, goldfish b. reptiles
3. Frog, salamander c. insects
4. Crow, pigeon, sparrow d. amphibians
5. Cockroach, ant, beetle e. mammals
6. Lizard, crocodile, snake f. fish
Answers
1. Mouse, goat, cow, tiger a. mammals
2. Salmon, goldfish b. fish
3. Frog, salamander c. amphibians
4. Crow, pigeon, sparrow d. birds
5. Cockroach, ant, beetle e. insects
6. Lizard, crocodile, snake f. reptiles
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E. Answer the following Questions :
Q1. Snakes have no legs. How do move on lands?
Ans- The body of a snake is divisible into head, trunk and tail. Snakes do not have limbs, but they rough scales on the underside of their body which enable them to move.
Q2. What are invertebrates? Give some examples.
Ans- Animals which do not have a backbone are called invertebrates.
Q3. Give two differences between frog and lizard.
Ans - Frogs are amphibians that live on both on land and in water.
Frogs lay soft eggs. while lizard lay hard-shelled eggs.
Frogs lay soft eggs. while lizard lay hard-shelled eggs.
Lizard has four short legs to move . they craw on their body.
Q4. What are vertebrates?
Ans - Animals which have a backbone are called vertebrates.
Q5. How many legs do insects have? What sort of body covering do they have?
Ans- An insects have six legs. their bodies are covered with tiny hard scales.
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