CLASS:IV......L- 4& 5......REVISION WORKSHEET

CLASS:IV .....REVISON WORKSHEET
TOPIC: L- 4& 5

REVISION SHEET CHAPTER 4 & 5

True or False:

1.       Boiling can preserve food for a long time. (           )

2.       Bats are mammals (         )

3.       The larva of a butterfly is called a pupa (                )

Fill in the blanks:

1.       The eggs of a frog hatch into ____________

2.       ____________ is the embryo’s food.

3.       The process in which birds sit on their eggs to keep them warm is ____________

4.       Proteins help the body to _____________

Give one word answers:

1.       Animals that give birth to babies and feed them with their own milk. _____________

2.       The shedding of the old skin in insects. __________________

3.       The caterpillar protects itself in a shell called. _____________

4.       Animals that lay eggs and hatch them are __________

5.       Proteins are also called as __________

Define:

1.       Reproduction

2.       Nutrients

3.       Womb

4.       Vitamins

Answer the questions:

1.       How do mammals take care of their young ones?

2.       What is a balanced diet? Why is it especially important for children?

3.       Why are vitamins and minerals important for our body?

4.       Why do birds sit on their eggs?

Diagram:

1.       Draw and label the life cycle of a grass hopper.