Which of the following shows hermaphroditism and self fertilization ? - Earthworm
- Tapeworm
- Both A & B
- Rotifers.
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The middle piece of human sperm contains :
- Mitochondria and Centriole
- Mitochondria only
- Nucleus and Mitochondria
- Centriole only
The male reproductive system is located in the body, in the :
- Chest region
- Neck region
- Abdomen
- Pelvic region
The chromosone in primary spermatocyte are :
- 22 + X
- 22+Y
- 44 + XX
- 44 + XY
Sertoli cells provide :
- Sperm
- Nourishment
- Testosterone hormone
- All of these