Page 19 - Science class 4

Brush Up Your Learning
Brush Up Your Learning

A. Answer the following questions :

1. What are the different ways by which animals reproduce?
2. What do you understand by ‘reproduction’?
3. Why do animals reproduce?

4. How do mammals take care of their young ones?
5. Describe the structure of an egg with the help of a diagram.

B. Answer the following questions briefly :
1. What is albumen?

2. What is incubation?
3. What do you mean by 'yolk'?

4. How do mammals reproduce?

One Among All Multiple Choice Questions (MCQs)
One Among All Multiple Choice Questions (MCQs)

Tick ( ) the right option : ü

1. Which statement is not correct?
(a) The larva looks like little fish

(b) The larva of a frog is called the tadpole

(c) The larva does not grow like adult frog
(d) None of these

2. Which statement is wrong about birds?

(a) Birds build nests
(b) Birds lay eggs and hatch them

(c) Birds give birth to young ones

(d) None of these

3. Which statement is wrong about the mammals?
(a) Animals produce milk to feed their young ones

(b) Animals give birth to their young ones

(c) Animals lay eggs and do not give milk

(d) None of these
High Order Thinking Skill (HOTS)

1. A frog can live on land, but its 'babies' cannot. Why?

2. Most of the reptiles do not care for their eggs or babies. Why?