During seed germination its stored food is mobilized by:

1. Cytokinin

2. ABA

3. Gibberellin

4. Ethylene

"Foolish seedling" disease of rice led to the discovery of:

1. GA

2. ABA

3. 2, 4-D

4. IAA

Which one of the following pairs is not correctly matched?

Parthenocarpic tomato fruits can be produced by:

An enzyme that can stimulate the germination of barley seeds is:

1. $\mathrm{\alpha }$-amylase

2. lipase

3. protease

4. invertase

Cell elongation in internodal regions of the green plants takes place due to:

What breaks the dormancy of potato tuber:
1.  Gibberellin
2.  IAA
3.  ABA
4.  Ethylene