Question

Study the diagram given below and answer the questions that follow:

1. During multiplication phase the sperm mother cells divide mitotically and form:
   1. Spermatogonia
   2. Secondary spermatocytes
   3. Spermatids
   4. Spermatozoa
2. The role of gonadotropin releasing hormones is to stimulate the production of:
   1. Progesterone
   2. Inhibin
   3. FSH and LH
   4. Oestrogen
3. Choose the correct labels for the structure marked P and R from the options given below:
   1. P-primary spermatocytes, R-secondary spermatocytes
   2. P-primary spermatocytes, R-spermatids
   3. P-secondary spermatocytes, R-primary spermatocytes
   4. P-spermatids, R-spermatozoa
4. The energy for the movement of sperm tail come from the:
   1. Mitochondria
   2. Acrosone
   3. Centriole
   4. Nucleus
5. When does spermatogenesis starts in human beings?
   1. At birth
   2. At onset of puberty
   3. During embryonic development
   4. Between 10-12 years

Answer 1

1. Spermatogonia
2. FSH and LH
3. P-primary spermatocytes, R-spermatids
4. Mitochondria
5. At onset of puberty