Page 13 - Science - 5

2. A seed is protected by a _______________ .

3. Water, air and warmth are needed for _______________ .
4. The small shoot emerging from a germinating seed is called a ______________ .

5. Plants which are grown in the fields are called _______________ .

Clear Approach
Clear Approach

Write ‘T’ for true and ‘F’ for false statements :

1. The innermost part of the flower is pistil.

2. Seeds dispersed by the wind must be heavy.
3. Some non-flowering plants reproduce with the help of spores.
4. Coconut is dispersed by air.

5. Animals grow throughout their life time.

Substituting Yourself
Substituting Yourself

Give one word for each of the followings :
1. An agent with wings and helps to disperse seeds ____________

2. A method of growing plants from their parts other than seeds ____________
3. Plant part produced by flowering plants to produce new plants ____________

Brush Up Your Learning
Brush Up Your Learning

A. Answer the following questions :
1. What are the functions of sepals and petals of a flower?

2. What are cotyledons?
3. Why is seed dispersal important?

4. What are the necessary conditions for seed germination?
5. What are the characteristics of seeds dispersed by:

(i) wind (ii) water

6. Define the following :
(i) Pollination (ii) Germination
(iii) Manure (iv) Fertilizers

B. Answer the following questions briefly :

1. What is meant by dispersal of seeds?
2. What are spores?

3. Why is ploughing done before planting seeds in a field?
4. Why are cereals stored in godowns?

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