Transpiration and root pressure cause water to rise in plants by:
1. pulling it upward
2. pulling and pushing it, respectively
3. pushing it upward
4. pushing and pulling it, respectively
1. pulling it upward
2. pulling and pushing it, respectively
3. pushing it upward
4. pushing and pulling it, respectively
2. pulling and pushing it, respectively
3. pushing it upward
4. pushing and pulling it, respectively
Subtopic: Transpiration & Guttation |
70%
From NCERT
NEET - 2015
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NEET 2023 - Target Batch - Aryan Raj Singh
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Minerals known to be required in large amounts for plant growth include:
1. phosphorus, potassium, sulphur, calcium
2. calcium, magnesium, manganese, copper
3. potassium, phosphorus, selenium, boron
4. magnesium, sulphur, iron, zinc
Subtopic: Classification of Nutrients |
82%
From NCERT
NEET - 2015
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What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
| 1. | Green plants need light to perform photosynthesis |
| 2. | Green plants seek light because they are phototropic |
| 3. | Light stimulates plant cells on the lighted side to grow faster |
| 4. | Auxin accumulates on the shaded side, stimulating greater cell elongation there |
Subtopic: Growth Hormones & Auxin |
78%
NEET - 2015
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In a ring-girdled plant:
1. the shoot dies first
2. the root dies first
3. the shoot and root die together
4. Neither root nor shoot will die
2. the root dies first
3. the shoot and root die together
4. Neither root nor shoot will die
Subtopic: Phloem Translocation |
76%
NEET - 2015
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Subtopic: Growth Model |
87%
From NCERT
NEET - 2015
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Which one gives the most valid and recent explanation for stomatal movements?
1. Transpiration
2. Potassium influx and efflux
3. Starch hydrolysis
4. Guard cell photosynthesis
2. Potassium influx and efflux
3. Starch hydrolysis
4. Guard cell photosynthesis
Subtopic: Stomata: 3 | Stomata |
72%
NEET - 2015
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The hilum is a scar on the:
1. seed, where the funicle was attached
2. fruit, where it was attached to the pedicel
3. fruit, where style was present
4. seed, where micropyle was present
2. fruit, where it was attached to the pedicel
3. fruit, where style was present
4. seed, where micropyle was present
Subtopic: Seed |
71%
From NCERT
NEET - 2015
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Which one of the following may require pollinators, but is genetically similar to autogamy?
| 1. | Geitonogamy | 2. | Xenogamy |
| 3. | Apogamy | 4. | Cleistogamy |
Subtopic: Pollination & Outbreeding Devices |
86%
From NCERT
NEET - 2015
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Which one of the following statements is not true?
| 1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
| 2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
| 3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
| 4. | Honey is made by bees by digesting pollen collected from flowers |
Subtopic: Stamen: Male Gametophyte |
74%
From NCERT
NEET - 2015
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Transmission tissue is a characteristic feature of:
1. hollow style
2. solid style
3. dry stigma
4. wet stigma
2. solid style
3. dry stigma
4. wet stigma
Subtopic: Pistil: Ovule |
NEET - 2015
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