Identify the option where all the columns are not correctly matched:

 

PGR

Nature

Actions

1.

Auxin

Indole compounds

Apical dominance, Flowering in pineapples, Parthenocarpy in tomatoes

2.

Cytokinin

Adenine derivative

 

Cell division, Adventitious shoot formation, Delay in leaf senescene

3.

Gibberellin

Terpene

Increase in length

4 .

ABA

Carotenoid derivative

Closure of stomata in water stress, inducing seed dormancy, inducing flowering in mango

 

Subtopic:  Abscisic Acid |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The PGR used to induce parthenocarpy in tomatoes is:-

1. Auxin
2. Gibberellin
3. Cytokinin
4. ABA

Subtopic:  Growth Hormones & Auxin |
 94%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Plant Growth Regulators (PGRs) are not
1. Very less in number in plants
2. Small and simple molecules
3. Diverse chemical composition
4. Plant hormones or phytohormones

Subtopic:  Growth Hormones & Auxin |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

N6- furfurylamino purine and kinetin are derivative of …….

(1) Indol compounds

(2) Adenine

(3) carotenoids

(4) Terpenes

Subtopic:  Cytokinin |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Abscisic Acid and ABA are derivative of…..

(1) Indol compounds

(2) Adenine

(3) carotenoids

(4) Terpenes

Subtopic:  Abscisic Acid |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In the living plant body, the PGRs can be broadly divided into two groups. This classification is actually based on

(1) Function

(2) Structure

(3) Metabolism

(4) Kinetin

Subtopic:  Growth Hormones & Auxin |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

Plant growth promotors are not involved in

(1) Cell division, cell enlargement

(2) Pattern formation, seed formation

(3) Dormancy, Abscission

(4) Fruiting and Flowering

Subtopic:  Abscisic Acid | Seed Dormancy (OLD NCERT) |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Plant growth promotor is not

(1) Auxins

(2) Gibberellins

(3) Cytokinins

(4) ABA

Subtopic:  Abscisic Acid |
 97%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The PGRs of the other group which play an important role in plant growth inhibiting activities is not

(1) Ethylene

(2) ABA

(3) GA

(4) All of these

Subtopic:  Gibberellin |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

Which of the following hormones is common in both the categories of plant promotor and plant inhibitor?

(1) GA

(2) ABA

(3) Auxin

(4) Ethylene

Subtopic:  Ethylene |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh