- 1(current)
Q. No.Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
|
PGR |
|
Chemical nature |
|
A |
Indole compounds |
P |
Gibberellins |
|
B |
Adenine derivatives |
Q |
ABA |
|
C |
Terpenes |
R |
Auxins |
|
D |
Derivatives of carotenoids |
S |
Cytokinins |
Codes
|
|
A |
B |
C |
D |
|
1. |
R |
S |
P |
Q |
|
2. |
R |
S |
Q |
P |
|
3. |
S |
R |
P |
Q |
|
4. |
S |
R |
Q |
P |
Subtopic: Â Growth Hormones & Auxin |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
Which of the following is not a use of plant PGR ethylene?
1. Initiation of flowering and synchronizing fruit set in pineapples.
2. Induction of flowering in mango.
3. Ethephon, most common source of ethylene, hastens fruit ripening in tomatoes.
4. Induction of parthenocarpy in tomatoes.
Subtopic: Â Growth Hormones & Auxin |Â Ethylene |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
Match the following concerning the activity/function and the phytohormone involved:-
| (a) | Fruit ripener | (i) | Abscisic acid |
| (b) | Herbicide | (ii) | GA 3 |
| (c) | Bolting agent | (iii) | 2, 4-D |
| (d) | Stress hormone | (iv) | Ethephon |
Select the correct option from following:-
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (ii) | (i) | (iii) |
Subtopic: Â Growth Hormones & Auxin |Â Gibberellin |Â Ethylene |Â Abscisic Acid |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Subtopic: Â Growth Hormones & Auxin |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
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