Question

Tick () the correct answer.
1. The main vein of a leaf carries.
a. chlorophyll
b. oxygen
c. food
2. Air enters a plant through the stomata on its.
a leaves
b. flowers
c. stem
3.Which of the following is a non-green plant?
a. cactus
b. croton
c. neem
4. Removing the green pigment in a leaf is called
a photosynthesis
b. bleaching
c. breathing
5. Which programme helps to save trees?
a. vanamahotsava
b. Project tiger
c. operation food
6. When plants use sunlight, water and carbon dioxide, they produce.
a. air
b. sugar and carbon dioxide
c. sugar and oxygen​

Answer 1

Answer:

1a

2a

3c

4b

5a

6c

2a

3c

4b

5a

Answer 2

ANSWER:

1. (c) The main vein of the leaf carries Food.
2. (a) Air enters a plant through the stomata on its leaves.
3. (b) Croton is a non-green plant
4. (b) Removing green pigment in a leaf is called Bleaching
5. (a) The Programme that helps to save trees is Vanamahotsava
6. (c) Plants uses water, carbon di-oxide and sunlight for producing Sugar and oxygen.

EXPLANATION:

• The main vein of the leaf that contains midrib carries food from leaf and distribute to other parts of the plant.
• Stomata are the pore that is found on the plant leaves through which the air enters.
• Because of the lack of chlorophyll, croton is a non-green plant.
• The green pigment known as chlorophyll is been removed from leaves and it is known as bleaching.
• Vanamahotsava is a programme that initiates planting of tress every year to save the tress.
• Plants produces sugar named Glucose by the help of sunlight, water and carbon dioxide, it releases Oxygen as a byproduct.