The correct option is A A-3, B-1, C-4, D-2
Acrosome is a cap like structure that covers the anterior portion of the head of the sperm. It consists of certain enzymes which help to penetrate the ovum.
The middle piece of the sperm consists of numerous mitochondria. These mitochondria provide energy for the motility of sperm.
Tertiary follicle of the ovary is characterised by a fluid filled cavity called antrum.
Zona pellucida is a membrane surrounding the secondary oocyte.