This picture suggests that

1. Tip of the coleorrhiza is the source of Auxin

2. Tip of coleoptile is the source of Auxin

3. Base of coleoptile is the source of Auxin

4. Base of coleorrhiza is the source of Auxin

Here arrows indicate

1.Source of Auxin

2.Direction of bending

3.Direction of light

4.Direction of cap removal

Foolish Seedling-

Find the odd one.

1.Bakane

2.Disease of Rice seedlings

3.Caused by viral pathogen

4.Gibberella fujikuroi

E. Kurosawa

Internodal segments of tobacco stems, the callus is actually

1.An undifferentiated cell

2.A mass of differentiated cell

3.A mass of undifferentiated cell

4.A differentiated cell

Find the incorrect statement.

F. Skoog and his co-workers observed that

Cytokinesis promoting substance was crystallised by

1.Skoog and Darwin

2.Skoog and Miller

3.Kurosawa

4.Cousins

Kinetin term was used for …..by…

1.Cytokinins, Darwin

2.Cytokinin, Skoog And Miller

3.ABA, Darwin

4.ABA, F. Skoog

Which of the following is not ABA?

1.Inhibitor-B

2.Abcission II

3.Dormin

4.Bakane

Three independent researches reported which of the following PGR?

1.ABA

2.Ethylene

3.Auxin

4.Cytokinin