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In majority of angiosperms:...

In majority of angiosperms:

A

egg has a filiform apparatus

B

there are numerous antipodal cells

C

reduction division occurs in the gaspore mother cells

D

a small central cell is present in the embryo sac

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the characteristics of angiosperms, let's analyze each option provided and determine the correct statement. ### Step-by-Step Solution: 1. **Understanding the Filiform Apparatus**: - The filiform apparatus is a structure associated with the synergid cells in the ovule of flowering plants, not the egg cell. Therefore, the statement that "the egg has a filiform apparatus" is incorrect. 2. **Analyzing Antipodal Cells**: - Antipodal cells are indeed present in the embryo sac but they are typically three in number and located at the chalazal end. The term "numerous" suggests a larger quantity than three, making this statement incorrect. 3. **Reduction Division in Megaspore**: - The reduction division (meiosis) occurs in the megaspore mother cell (MMC), which produces four haploid megaspores. However, typically only one of these megaspores survives to form the embryo sac. This statement is correct as it accurately describes the process. 4. **Presence of Central Cell**: - The central cell in the embryo sac is indeed large and contains two polar nuclei. The statement that it is a "small central cell" is incorrect. ### Conclusion: Based on the analysis, the correct statement regarding angiosperms is: - **Reduction division occurs in the megaspore mother cell.** ### Final Answer: C. Reduction division occurs in the megaspore mother cell. ---

To solve the question regarding the characteristics of angiosperms, let's analyze each option provided and determine the correct statement. ### Step-by-Step Solution: 1. **Understanding the Filiform Apparatus**: - The filiform apparatus is a structure associated with the synergid cells in the ovule of flowering plants, not the egg cell. Therefore, the statement that "the egg has a filiform apparatus" is incorrect. 2. **Analyzing Antipodal Cells**: ...
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