A sperm of human consists of :
A. Head
B. Neck
C. Middle piece
D. Tail

Options

A. A, B
B. A, B, C
C. C, D
D. A, B, C, D

Answer

To answer the question about the components of a human sperm, we can break down the structure of the sperm into its main parts:

1. **Identify the Parts of the Sperm**:
- The sperm is composed of four main parts:
- **Head**: This is the front part of the sperm. It contains the nucleus, which holds the genetic material, and the acrosome, which contains enzymes necessary for fertilization.
- **Neck**: This is a narrow section that connects the head to the middle piece.
- **Middle Piece**: This part contains mitochondria, which provide the energy needed for the sperm's motility.
- **Tail**: This is the long, whip-like structure that propels the sperm forward.

2. **Analyze the Options**:
- The options provided are:
- A. Head
- B. Neck
- C. Middle piece
- D. Tail
- All four components are indeed parts of a human sperm.

3. **Conclusion**:
- Since all the parts listed in the options (A, B, C, and D) are correct and represent the structure of a human sperm, the answer to the question is that a sperm of human consists of all these parts.

4. **Final Answer**:
- The correct answer is: A, B, C, and D (all of the above).