List the secondary sexual characters observed in boys.

List the secondary sexual characters observed in girls.

Growth of hairs under the arms is the secondary sexual characters of

Write notes on- Secondary sexual characters. .

List the general characters of Monera.

List the General characters of Gymnosperms.

Study the following: A. Testosterone influences the male secondary sexual characters B. Gestation period in rabbit is approximately 276 days C. Bulbo-uretheral glands secrete a vaginal lubricant D. Placenta secretes estrogen The correct answer is:

(i) Mention two secondary sexual characteristics in human male. (ii) Why testis in male body are extra-abdominal? (iii) Write the dual purpose served by urethra in males?

Abnormal secondary growth is observed in