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 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
1.Skoog and Darwin
2.Skoog and Miller
Kinetin term was used for …..by…
2.Cytokinin, Skoog And Miller
4.ABA, F. Skoog
Which of the following is not ABA?
Three independent researches reported which of the following PGR?
Cousins confirmed the release of a volatile substance from ripened oranges that
1.Hastened the ripening of already ripened bananas
2.Hastened the ripening of unripened banana
3.Slowed the ripening of unripened bananas
4.Slowed the ripening of oranges
Auxins was first isolated from
Which of the following is not isolated from plants?