Phototropism is firstly studied by

(1) Charles Darwin and his son Francis Darwin

(2) Charles Darwin and his friend Francis Darwin

(3) Charles Darwin and his brother Francis Darwin

(4) Charles Darwin and his colleague Francis Darwin

……...is the site of transmittable influence that caused the bending of the entire……..

Auxin was isolated by

Find the wrong match.

This picture suggests that

Here arrows indicate

Foolish Seedling-

Find the odd one.

E. Kurosawa
1. Reported the appearance of symptoms of the disease in rice seedlings
2. In 1926
3. Used sterile filtrates of the fungus
4. All of these

Find the incorrect statement.

F. Skoog and his co-workers obeserved that
1. Callus proliferated only if Auxin is there
2. Callus proliferated only if Auxin + extracts of vascular tissue was there
3. Callus proliferated only if Auxin + Yeast extract was there
4. Callus proliferated only if Auxin + coconut milk/DNA was there

Cytokinesis promoting substance was crystallised by