A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?
1. Mutated
2. Embolised
3. Etiolated
4. Defoliated

Plant Growth Regulators (PGRs) are not

1. Very less in number in plants

2. Small and simple molecules

3. Diverse chemical composition

4. Plant hormones or phytohormones

N6- furfurylamino purine and kinetin are derivative of …….

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

Abscisic Acid and ABA are derivative of…..

1.Indol compounds

2.Adenine

3.carotenoids

4.Terpenes

C₂H₄ or Ethylene are …...or derivative of….

1.Indol compounds

2.Gases

3.carotenoids

4.Terpenes

In the living plant body, the PGRs can be broadly divided into two groups. This classification is actually based on

1.Function

2.Structure

3.Metabolism

4.Kinetin

Plant growth promoters are not involved in

Plant growth promotor is not

1.Auxins

2.Gibberellins

3.Cytokinins

4.ABA

The PGRs of the other group which play an important role in plant growth inhibiting activities is not

1.Ethylene

2.ABA

3.GA

4.All of these

Which of the following hormones is common in both the categories of plant promoter and plant inhibitor?

1.GA

2.ABA

3.Auxin

4.Ethylene