Question:
Complete the following analogy about human sperm.
Nebenkern : mitochondria :: Acrosome : ________
Complete the following analogy about human sperm.
Nebenkern : mitochondria :: Acrosome : ________
Nebenkern : mitochondria :: Acrosome : ________
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Sperm structure trick: Acrosome = Golgi origin, Middle piece = mitochondria (Nebenkern).
Updated On: May 4, 2026
- endoplasmic reticulum
- Golgi complex
- centriole
- spherosome
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The Correct Option is B
Solution and Explanation
Concept:
The analogy is based on the origin of structures in sperm cells from specific cell organelles.
Step 1: Understand Nebenkern. Nebenkern is formed from mitochondria in the middle piece of sperm. It provides energy for motility. \[ \text{Nebenkern} \rightarrow \text{Derived from mitochondria} \]
Step 2: Understand Acrosome. The acrosome is a cap-like structure present on the head of sperm. It contains enzymes required for penetration of the ovum. It is derived from the Golgi apparatus during spermiogenesis. \[ \text{Acrosome} \rightarrow \text{Derived from Golgi complex} \]
Step 3: Analyze the options.
• (A) Endoplasmic reticulum → Not involved in acrosome formation $\times$
• (B) Golgi complex → Forms acrosome \checkmark
• (C) Centriole → Forms spindle/flagellum base $\times$
• (D) Spherosome → Plant cell structure $\times$
Step 4: Conclusion. Thus, the correct analogy is: \[ \text{Nebenkern : mitochondria :: Acrosome : Golgi complex} \]
The analogy is based on the origin of structures in sperm cells from specific cell organelles.
Step 1: Understand Nebenkern. Nebenkern is formed from mitochondria in the middle piece of sperm. It provides energy for motility. \[ \text{Nebenkern} \rightarrow \text{Derived from mitochondria} \]
Step 2: Understand Acrosome. The acrosome is a cap-like structure present on the head of sperm. It contains enzymes required for penetration of the ovum. It is derived from the Golgi apparatus during spermiogenesis. \[ \text{Acrosome} \rightarrow \text{Derived from Golgi complex} \]
Step 3: Analyze the options.
• (A) Endoplasmic reticulum → Not involved in acrosome formation $\times$
• (B) Golgi complex → Forms acrosome \checkmark
• (C) Centriole → Forms spindle/flagellum base $\times$
• (D) Spherosome → Plant cell structure $\times$
Step 4: Conclusion. Thus, the correct analogy is: \[ \text{Nebenkern : mitochondria :: Acrosome : Golgi complex} \]
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