Page 54 - Viva ICSE Science 5 : E-book

5. From stigma, the pollen grains reach ovary through the __________.
(a) fi lament (b) style

(c) both (a) and (b) (d) none of the above

E. Answer the following questions.

1. What is a fl ower?

2. Draw a diagram to show diff erent whorls of a fl ower.

3. Write a note on male reproductive part of a fl ower.

4. Write a note on female reproductive part of a fl ower.

5. What are incomplete fl owers? Give any two examples.

6. Defi ne pollination. Explain its process.

THINK AND ANSWER

1. There are many fl owers which do not have beautiful petals to attract pollinators. How
do you think pollination occurs in such fl owers? Suggest any two ways.

2. Why do you think the stigma is a knob-like sticky structure?

TALK ABOUT

1. What makes fl ower an important part of nature? Discuss.
2. Discuss how diff erent components of nature like air, water and sunlight are important for
reproduction in plants.

LINK AND LEARN

Choose any three countries from around the world, except India. Find out about special flowers
found mainly in each of the three countries. Paste the pictures of the flowers on a chart paper, and
write their names and features below the pictures.

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