Here arrows indicate

  1. Source of Auxin
  2. Direction of bending
  3. Direction of light
  4. Direction of cap removal
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Foolish Seedling-

Find the odd one.

  1. Bakane
  2. Disease of Rice seedlings
  3. Caused by viral pathogen
  4. Gibberella fujikuroi
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


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

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


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
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


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

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Cytokinesis promoting substance was crystallised by

  1. Skoog and Darwin
  2. Skoog and Miller
  3. Kurosawa
  4. Cousins
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Kinetin term was used for …..by…

  1. Cytokinins, Darwin
  2. Cytokinin, Skoog And Miller
  3. ABA, Darwin
  4. ABA, F. Skoog
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following is not ABA?

  1. Inhibitor-B
  2. Abcission II
  3. Dormin
  4. Bakane
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Three independent researches reported which of the following PGR?

  1. ABA
  2. Ethylene
  3. Auxin
  4. Cytokinin
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


During mid 1960s, the purification and chemical characterisation of which of the following PGR was performed?

  1. ABA
  2. GA
  3. Auxin
  4. Cytokinins
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: