Page 84 - Volt Elevate The World Around Us Book 4

Practice Sheet 2

A. Choose the correct option.
1. What do we call animals that live and work together in groups?

(a) Wild animals (b) Nocturnal animals
(c) Social animals (d) Domestic animals

2. Which of these animals does not have external ears?
(a) Elephant (b) Rabbit

(c) Snake (d) Lizard
3. What is the body covering of a porcupine like?

(a) Feathers (b) Scales
(c) Hair (d) Spikes
4. Which flower type blooms and dies in one season?

(a) Biennial (b) Perennial
(c) Annual (d) Edible

B. Write True or False.

1. Weaver birds stitch leaves to build their nests. _______________

2. Some insects like termites shed their wings as they grow. _______________
3. Flowers are only used for decoration. _______________
4. Taproots grow above the soil. _______________

C. Choose the correct answer for each of the following pairs of statements.

(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.

(c) A is true but R is false.
(d) A is false but R is true.

1. Assertion (A): Polar bears have small ears.
Reason (R): Small ears help reduce heat loss in cold regions.
2. Assertion (A): Insects like butterflies help in pollination.

Reason (R): They carry pollen from one flower to another.
3. Assertion (A): Spiders are different from insects.

Reason (R): Spiders have eight legs.
D. Answer the following questions.

1. Name two insects that are helpful to humans.

2. Explain the different types of roots and give one example of each.

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