Q. No.Endosperm is completely consumed by the developing embryo in all of the following angiosperms, except:
| 1. | pea | 2. | groundnut |
| 3. | beans | 4. | coconut |
Subtopic: Seed |
91%
From NCERT
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Which alphabets represent scutellum, epiblast, and coleorhiza in the given figure?
| Scutellum | Epiblast | Coleorhiza | |
| 1. | A | D | G |
| 2. | B | C | E |
| 3. | A | D | F |
| 4. | B | D | G |
Subtopic: Seed |
57%
From NCERT
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In angiosperms:
| I: | the seed is the final product of sexual reproduction. |
| II: | the seed is often described as a fertilised ovule. |
| III: | seeds are formed inside fruits. |
| 1. | Only I and II are correct | 2. | Only I and III are correct |
| 3. | Only II and III are correct | 4. | I, II and III are correct |
Subtopic: Seed | Fruit |
85%
From NCERT
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Match each item in Column I with one in Column II and select the best match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Non- albuminous seeds | P. | pea, groundnut |
| B. | Albuminous seeds | Q. | wheat, maize |
| C. | Perisperm present | R. | black pepper, beet |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | R | P | Q |
| 4. | R | Q | P |
Subtopic: Seed | Apomixis & Polyembryony | Fruit |
91%
From NCERT
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Consider the given statements:
| I: | As ovules mature into seeds, the ovary develops into a fruit. |
| II: | The transformation of ovules into seeds and ovary into fruit proceeds simultaneously. |
| III: | The wall of the ovary develops into the wall of fruit called endocarp. |
| 1. | Only I and II are correct | 2. | Only I and III are correct |
| 3. | Only II and III are correct | 4. | I, II and III are correct |
Subtopic: Seed | Fruit |
77%
From NCERT
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Identify the incorrectly matched pair:
|
1. |
Triploid nutritive tissue of a seed deposited externally to the embryo sac |
Perisperm |
|
2. |
The tissue that arises from the ripened ovary wall of a fruit; the fruit wall |
Pericarp |
|
3. |
The natural or artificially induced production of fruit without fertilisation of ovules |
Parthenocarpy |
|
4. |
Asexual reproduction where the growth and development of embryos occur without fertilization by sperm |
Parthenogenesis |
Subtopic: Seed |
74%
From NCERT
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Identify the correct statements from the ones given below:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | In a few species, such as apple, strawberry, cashew, etc., the thalamus also contributes to fruit formation. |
| II: | Most fruits develop only from the ovary and are called true fruits. |
| III: | Fruits can never develop without fertilisation. |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Seed | Fruit |
94%
From NCERT
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Parthenocarpy:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | is production of seeds without fertilisation |
| II: | means that fruits develop without fertilisation |
| III: | can be induced through the application of growth hormones |
| IV: | leads to production of seedless fruits |
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Seed | Fruit |
78%
From NCERT
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All the following are advantages seeds offer to angiosperms:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Seed formation is more dependable. |
| II: | Seeds have better adaptive strategies for dispersal to new habitats. |
| III: | Seeds preserve genetic homogeneity and do not allow new variations in the gene pool. |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Seed |
74%
From NCERT
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Seed formation is a more dependable reproductive strategy in angiosperms because:
| 1. | Pollination and fertilization are independent of water |
| 2. | Seeds have better adaptive strategies for dispersal |
| 3. | Seeds have sufficient food reserves |
| 4. | New genetic combinations are generated during seed formation |
Subtopic: Seed |
From NCERT
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