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Endosperm is completely consumed by the ...

Endosperm is completely consumed by the developing embryo before seed maturation in

A

pea, ground nut and castor

B

ground nut, bean and coconut

C

pea, ground nut and bean

D

none of the above

Text Solution

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The correct Answer is:
To solve the question about which seeds have their endosperm completely consumed by the developing embryo before seed maturation, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Role of Endosperm**: - The endosperm is a triploid tissue that provides nutrients to the developing embryo in seeds. 2. **Identify Seeds with Complete Endosperm Consumption**: - Some seeds have the endosperm completely consumed by the embryo during development. This means that when the seed matures, there is no endosperm left. 3. **Analyze the Options**: - **Option 1: Groundnut and Castor**: - Groundnut (peanut) does have its endosperm completely consumed, but castor retains some endosperm. Thus, this option is incorrect. - **Option 2: Groundnut, Bean, and Coconut**: - Groundnut and beans have their endosperm completely consumed, but coconut retains its endosperm. Therefore, this option is also incorrect. - **Option 3: Pea, Groundnut, and Bean**: - Peas and groundnuts have their endosperm completely consumed. Beans also typically have their endosperm consumed. This option is correct. - **Option 4: None of these**: - Since option 3 is correct, this option is incorrect. 4. **Conclusion**: - The correct answer is **Option 3: Pea, Groundnut, and Bean**, as these seeds have their endosperm completely consumed by the developing embryo before seed maturation. ### Final Answer: **Option 3: Pea, Groundnut, and Bean**
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