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

Subtopic:  Growth Hormones & Auxin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Here arrows indicate

1.Source of Auxin

2.Direction of bending

3.Direction of light

4.Direction of cap removal

Subtopic:  Growth Hormones & Auxin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Foolish Seedling-

Find the odd one.

1.Bakane

2.Disease of Rice seedlings

3.Caused by viral pathogen

4.Gibberella fujikuroi

Subtopic:  Gibberellin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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

Subtopic:  Gibberellin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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

Subtopic:  Growth Hormones & Auxin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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

Subtopic:  Cytokinin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Cytokinesis promoting substance was crystallised by

1.Skoog and Darwin

2.Skoog and Miller

3.Kurosawa

4.Cousins

Subtopic:  Cytokinin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Kinetin term was used for …..by…

1.Cytokinins, Darwin

2.Cytokinin, Skoog And Miller

3.ABA, Darwin

4.ABA, F. Skoog

Subtopic:  Cytokinin |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is not ABA?

1.Inhibitor-B

2.Abcission II

3.Dormin

4.Bakane

Subtopic:  Abscisic Acid |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Three independent researches reported which of the following PGR?

1.ABA

2.Ethylene

3.Auxin

4.Cytokinin

Subtopic:  Abscisic Acid |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: