Advertisements
Advertisements
Question
During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys.
Options
loss of milk teeth
increase in height
cracking of voice
weight gain
Solution
cracking of voice
Explanation:
Cracking of voice in males is brought about by the male hormone testosterone, which is produced after sexual maturation.
APPEARS IN
RELATED QUESTIONS
The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?
Why is it an advantage for the testes to be situated in the scrotal sac outside the main body cavity? Can you think of one disadvantage?
Where does fertilisation take place in human females?
Describe in brief the role of prostate gland in human male reproductive system.
Choose the correct answer:
First menstrual cycle is known as ___________
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Choose the Odd One Out:
The membranous cover of the ovum at ovulation is ______.
Which one of the following statements about human sperm is correct?
During adolescence, reproductive phase starts and ______.
