Growth in Plants

Here are some MCQs on Growth in Plants

1. What is the process by which a plant increases in size?

a) Germination

b) Photosynthesis

c) Growth

d) Reproduction

2. Which part of the plant is responsible for growth in length?

a) Leaves

b) Roots

c) Stem

d) Flowers

3. Which plant hormone regulates cell division and elongation for growth?

a) Auxin

b) Gibberellins

c) Cytokinins

d) Ethylene

4. Which plant hormone is responsible for promoting cell division and lateral growth?

a) Auxin

b) Gibberellins

c) Cytokinins

d) Ethylene

5. In which direction does the stem of a plant exhibit positive phototropism?

a) Towards the light source

b) Away from the light source

c) Parallel to the light source

d) Randomly