Question
Which hormone causes the development of secondary sexual characteristics in human males?
(A) adrenaline
(B) insulin
(C) progesterone
(D) testosterone
▶️Answer/Explanation
Ans : D
Question
The graph shows the decline in testosterone production in some men as they get older.
At which age is testosterone production at 50 arbitrary units?
(A) 50
(B) 60
(C) 65
(D) 90
▶️Answer/Explanation
Ans: C
Question
What is the most effective barrier method of birth control shown in the table?
▶️Answer/Explanation
Ans: A
Question
The list shows secondary sexual characteristics.
1 Hair grows on the face.
2 Hips become wider.
3 Voice becomes deeper.
Which secondary sexual characteristics are caused by testosterone?
A 1, 2 and 3
B 1 and 2 only
C 1 and 3 only
D 2 and 3 only
▶️Answer/Explanation
Ans C