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Q. No.Wind-pollinated flowers are characterized by:
1.
being heavily scented
2.
highly attractive colours
3.
non-sticky light pollen grains, well-exposed stamen, large feathery stigma
4.
ribbon shaped pollen with mucilaginous covering
Subtopic: Pollination & Outbreeding Devices |
94%
From NCERT
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Endosperm may persist in mature seed in:
1. Pea and Apple
2. Groundnut and Wheat
3. Beans and Mango
4. Castor and Coconut
1. Pea and Apple
2. Groundnut and Wheat
3. Beans and Mango
4. Castor and Coconut
Subtopic: Endosperm |
86%
From NCERT
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Identify the incorrect statement related to Pollination:
| 1. | Moths and butterflies are the most dominant pollinating agents among insects |
| 2. | Pollination by water is quite rare in flowering plants |
| 3. | Pollination by wind is more common amongst abiotic pollination |
| 4. | Flowers produce foul odours to attract flies and beetles to get pollinated |
Subtopic: Pollination & Outbreeding Devices |
79%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Given below are two statements:
| Statement I: | Cleistogamous flowers are invariably autogamous. |
| Statement II: | Cleistogamy is disadvantageous as there is no chance for cross pollination. |
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Pollination & Outbreeding Devices |
85%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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Which part of the fruit, labelled in the given figure makes it a false fruit?
1. D-Seed
2. A-Mesocarp
3. B-Endocarp
4. C-Thalamus
Subtopic: Fruit |
87%
From NCERT
NEET - 2022
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What will be the ploidy of endosperm of a seed produced after crossing tetraploid female plant with tetraploid male plant?
1. Pentaploid
2. Hexaploid
3. Diploid
4. Triploid
Subtopic: Endosperm |
57%
NEET - 2022
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Which of the following set represents the correct labeling of A, B, C and D with respect to the given diagram?
| 1. | A- Seed Coat, B- Cotyledon, C- Endosperm, D - Hypocotyle |
| 2. | A -Seed Coat, B- Scutellum, C- Endocarp, D - Mesocarp |
| 3. | A- Seed Coat, B- Scutellum, C- Microphyle, D - Endocarp |
| 4. | A-Pericarp, B - Coleoptile |
Subtopic: Seed |
75%
From NCERT
NEET - 2022
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Which of the following best describes the ploidy level of a fertilized embryo sac?
1. All cells are diploid
2. All cells are triploid.
3. All cells are polyploidy
4. There are haploid, diploid, and triploid cells
1. All cells are diploid
2. All cells are triploid.
3. All cells are polyploidy
4. There are haploid, diploid, and triploid cells
Subtopic: Double Fertilization | Embryo |
81%
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| Assertion (A): | Hybrids are widely used in cultivation to increase productivity and apomixes can be an important tool for maintaining hybrid nature. |
| Reason (R): | Seeds produced by apomictic plants are identical to mother plant as there is no segregation |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
Subtopic: Apomixis & Polyembryony |
76%
From NCERT
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The generative cell of male angiosperm gametophytes is haploid. This cell divides to produce two haploid sperm cells. What type of cell division does the generative cell undergo to produce these sperm cells?
1. binary fission
2. mitosis
3. meiosis
4. mitosis without subsequent cytokinesis
1. binary fission
2. mitosis
3. meiosis
4. mitosis without subsequent cytokinesis
Subtopic: Stamen: Microsporangium | Stamen: Male Gametophyte |
74%
From NCERT
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