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The cells in the embryo sac located at t...

The cells in the embryo sac located at the micropylar end are :

A

Synergids only

B

Antipodals

C

Egg apparatus

D

Funicle

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The correct Answer is:
To solve the question regarding the cells in the embryo sac located at the micropylar end, we can follow these steps: ### Step 1: Understand the Structure of the Embryo Sac The embryo sac is the female gametophyte in angiosperms (flowering plants). It typically consists of seven cells arranged in a specific manner. **Hint:** Recall that the embryo sac is a key structure in the reproductive process of flowering plants. ### Step 2: Identify the Ends of the Embryo Sac The embryo sac has two ends: the micropylar end and the chalazal end. The micropylar end is where the egg apparatus is located, while the chalazal end contains the antipodal cells. **Hint:** Remember the orientation of the embryo sac and the specific functions of each end. ### Step 3: Recognize the Components at the Micropylar End At the micropylar end, there is a three-celled structure known as the egg apparatus, which consists of: - One egg cell - Two synergids These cells are crucial for fertilization, as the synergids help guide the pollen tube to the egg cell. **Hint:** Focus on the role of the synergids and egg cell in the fertilization process. ### Step 4: Eliminate Incorrect Options - **Antipodal cells** are located at the chalazal end, not the micropylar end. - **Finnical** is not a term typically associated with the embryo sac structure. - **Ag apparatus** refers to the egg apparatus, which includes the synergids and egg cell at the micropylar end. **Hint:** Cross-check the definitions and locations of each cell type mentioned in the question. ### Step 5: Conclude the Correct Answer The cells located at the micropylar end of the embryo sac are the synergids and the egg cell, forming the egg apparatus. **Final Answer:** The cells in the embryo sac located at the micropylar end are the synergids and the egg cell, collectively known as the egg apparatus.
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