Question 23
In human females, an event that reflects onset of reproductive phase is

(a) growth of body
(b) changes in hair pattern
(c) change in voice
(d) menstruation

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Solution

(d) menstruation

During adolescence, girls begin to menstruate that reflects the onset of reproductive phase.

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Question 23
In human females, an event that reflects the onset of reproductive phase is

(a) growth of body
(b) changes in hair pattern
(c) change in voice
(d) menstruation

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(a) increase in height
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Question 22
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys

(a) loss of milk teeth
(b) increase in height
(c) cracking of voice
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The onset of reproductive phase in a young female.

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Question 23 In human females, an event that reflects onset of reproductive phase is (a) growth of body (b) changes in hair pattern (c) change in voice (d) menstruation

(d) menstruation During adolescence, girls begin to menstruate that reflects the onset of reproductive phase.

Question 23
In human females, an event that reflects onset of reproductive phase is

(a) growth of body
(b) changes in hair pattern
(c) change in voice
(d) menstruation

(d) menstruation

During adolescence, girls begin to menstruate that reflects the onset of reproductive phase.