In most higher plants, the growing apical bud inhibits the growth of …….. or axillary buds, a phenomenon called………….

1.Lateral, lateral Dominance

2.Lateral, Apical Dominance

3.Apical, Lateral Dominance

4.Apical, Apical Dominance

Subtopic:  Growth Hormones & Auxin | Auxin Function |
 88%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

For tea plantations, hedge-making, which of the following PGR is used?

1.Auxins

2.Cytokinins

3.GA3

4.ABA

Subtopic:  Growth Hormones & Auxin | Auxin Function |
 80%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following statements is correct?

1. All GAs are basic

2. All GAs are Acidic

3. Most of the GAs are Acidic

4. Most of the GAs are basic

Subtopic:  Gibberellin |
 81%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Early seed production in…….. can be done by GAs

1.Pineapple

2.Grapes

3.Tomatoes

4.Conifers

Subtopic:  Gibberellin |
 65%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

For the induction of flowering, some plants require a

(1) Periodic exposure to light

(2) Continuous exposure to light

(3) No exposure to light

(4) No exposure to night

Subtopic:  Photoperiodism (OLD NCERT) |
 83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

If a plant needs exposure of light more than a well defined critical period for flowering, it would be called as-

(1) Long day plants

(2) Short day plants

(3) Day neutral plants

(4) Red light plants

Subtopic:  Photoperiodism (OLD NCERT) |
 96%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

If a plant needs exposure of light less than a defined period for flowering, such plant is called

1. Long day plants

2. Short day plants

3. Day neutral plants

4. Far red light plants

Subtopic:  Photoperiodism (OLD NCERT) |
 96%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

When there is no such relation between exposure to light duration and induction of flowering response such plants are called

(1) Long day plants

(2) Short day plants

(3) Day neutral plants

(4) Far red light plants

Subtopic:  Photoperiodism (OLD NCERT) |
 95%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Flowering can be affected in certain plants

(1) by quantitative exposure to low temperature

(2) by qualitative exposure to low temperature

(3) Both A and B

(4) It does not depend on low temperature exposure

Subtopic:  Vernalization (OLD NCERT) |
 85%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Vernalisation prevents

(1) Precocious reproductive development late in growing season

(2) Late reproductive development

(3) Flowering

(4) Fruiting

Subtopic:  Vernalization (OLD NCERT) |
 76%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh