Page 18 - Active Science 5 Ebook and Activity

Practise Time

A. Tick the correct option.
1. The food for the growth of a new plant is stored in the______________.

a. seed b. embryo
c. seed coat d. cotyledon

2. Water is needed for germination because it ______________.
a. allows stored food to become available for use by embryo

b. makes the seed swell up
c. kills the seed
d. cleans the seed

3. The small root emerging from a germinating seed is called ______________.
a. radicle b. cotyledon

b. plumule d. seed coat
4. Which one of the following grows from underground stem?
a. Potato b. Sugarcane

c. Bryophyllum d. Sweet potato
5. Rabi crops are usually grown from ______________.

a. June – October b. November – January
b. November–April d. June – August

B. Match the following.

1. Dandelion a. Dispersal by water

2. Wheat b. Part of the stem that is cut

3. Rice c. Rabi crop

4. Scion d. Kharif crop

5. Lotus e. Dispersal by wind

C. Fill in the blanks.

1. Seeds are present inside the ______________.
2. The seed coat allows ______________ to enter the seed which is required for germination.

3. The process through which a seed is taken away from the mother plant to a suitable place
for germination is called ______________.
4. The large scale production of crops for food is called ______________.
5. Wheat and beans are planted in ______________.

6. ______________ seeds have one cotyledon.

18 Active Science-5