NCERT Class 4 Science Solutions Adaptation in Plants Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Multiple Choices

Q 1. Waxy coating on the on stems and leaves in a desert plant helps

a. To grow fast

b. To reduce water loss

c. To avoid dust particles

d. To escape from heat

Answer: b

Q 2. I grow under water. I have no stomata. Who am I?

a. Lotus

b. Water hyacinth

c. Duckweed

d. Hydrilla

Answer: d

Q 3. Find the odd one out.

a. Pine

b. Maple

c. Oak

d. Birch

Answer: a

Q 4. I like to grow in muddy water. I have breathing roots. Who am I?

a. Palm

b. Birch

c. Mangrove

d. Pondweed

Answer: c

Q 5. Identify the plant from the following statements

i. Their stems are hollow, light and very flexible.

ii. The stomata are present on the upper surface of the leaves.

a. Lily

b. Pondweed

c. Hydrila

d. Tape grass

Answer: a

Find whether TRUE or FALSE

1. The roots of plants in the desert may go deep as much as 18 to 20 meters. - True

2. Coniferous trees shed their leaves in winter. - False

3. Stems of aquatic plants are heavy and solid so that they can withstand in flowing water. - False

4. Water hyacinths have fibrous roots. - True

5. Hydrilla, Tape grass are examples of underwater plant. - True

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