The mature seeds of plants such as gram and peas possess no endosperm, because
1. these plants are not angiosperms
2. there is no double fertilisation in them
3. endosperm is not formed in them
4. endosperm gets used up by the developing embryo during seed development
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEndosperm, a product of double fertilisation in angiosperms is absent in the seeds of
1. | Coconut | 2. | Orchids |
3. | Maize | 4. | Castor |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe placenta is attached to the developing seed near the
1. testa
2. hilum
3. micropyle
4. chalaza
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following columns.
Column I | Column II | ||
A. | Aleurone layer | i. | Nutrition |
B. | Parthenocarpic fruit | ii. | Without fertilization |
C. | Ovule | iii. | Seed |
D. | Endosperm | iv. | Double fertilization |
Codes:
A | B | C | D | |
1. | i | ii | iii | iv |
2. | ii | i | iv | iii |
3. | iv | ii | i | iii |
4. | ii | iv | i | iii |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology