Question 1 :
The stage during which the body becomes capable of reproduction is called____
Question 2 :
Assertion: The estrogen level falls after menopause.
Reason: The estrogen is synthesised and secreted mainly by uterine lining.
Question 3 :
As opposed to primary sexual characteristics, changes in secondary sexual characteristics are mostly evident in changes in<br>
Question 4 :
In human females, each time during maturation and release of egg the inner wall of uterus thickens. Is this thickening permanent?<br>
Question 5 :
Growth in the first 10 - 13 years of age is controlled by
Question 7 :
In girls, the muscles of the body grow more prominently than in the boys.
Question 13 :
In human beings, which part shows the minimum increase in weight from birth to adulthood ?<br>
Question 16 :
Our government has legalized the age of marriage in boys and girls. Give reasons as to why one should get married after a certain age.<br/>
Question 17 :
The process of releasing of sperm by male organism during copulation is called as
Question 26 :
Which among the following is not the function of testes at puberty<br/>(i) Formation of germ cells<br/>(ii) Secretion of testosterone<br/>(iii) Development of placenta<br/>(iv) Secretion of Oestrogen<br/><br/>
Question 27 :
The human body undergoes several changes during adolescence. These changes mark the onset of<br/>
Question 28 :
The presence or absence of hymen is not reliable indicator of virginity or sexual experience. <br/>
Question 30 :
State true or false <br/>(i) A zygote is always formed inside the body.<br/>(ii) Zygote may represent "overwintering stage" in life cycle of an organism
Question 31 :
In human females, an event that reflects onset of reproductive phase is<br/>
Question 35 :
During proliferative phase uterine wall undergoes certain changes, these are _________________.
Question 36 :
A flower which contains only stamen or only pistil is called as
Question 38 :
The plant, whose seeds are known to have longest viability period is<br/>
Question 39 :
At menopause, which of the following is excreted along with urine?