Page 59 - ICSE Science 3 : E-book

E. Answer the following questions.

1. What is the function of exoskeleton in insects? What is it made of?

2. Draw and label the three main body parts of an insect.

3. Which part of the insect’s body contains the digestive and the reproductive

systems?

4. Why do insects live in colonies?

5. What are the four stages in the life cycle of a butterfl y? Explain with a
diagram.

6. Mention any three ways to get rid of harmful insects.

THINK AND ANSWER

1. Why do you think we must be careful of cockroaches and fl ies?
2. Name any two diseases which are spread by insects.

TALK ABOUT

Share your experiences in class on how some insects in your surroundings have caused
harm to you or your family. Also, suggest some remedies to overcome the harm caused by
them.

LINK AND LEARN

Paste the pictures of any 10 insects in your scrapbook and write their names in English and
your local language. Discuss about these insects in class.

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