Question 2 :
I. The human skin possesses sweat and sebaceous glands which eliminate some wastes in their secretion. <br>II. Sweat is waxy protective secretion having steroles, hydrocarbons and fatty acids <br>III. Sebum is an aquous fluid having NaCl, lactic acid, urea, amino acids, glucose <br>Which one of the above statement is correct?

Question 6 :
The total number of muscles in the body of man is

Question 7 :
Assertion: Aquatic mammals like whales and seals are said to be ureotelic animals.<br>Reason : It is because of the fact that their main nitrogenous waste product is urea.

Question 9 :
<p> <font face="Cambria Math, serif"><font>The glands, which help on absorbing odoriferous substances to stimulate olfactory nerve are</font></font></p>

Question 10 :
<p> <font face="Cambria Math, serif">Rennin is secreted in which part of alimentary canal?</font></p>