41.
Bile produced by

42.
Digestion starts in man from

43.
Where does digestion of protein begins?

44.
After digestion protein is converted into

46.
What prevents food from entering the windpipe?

47.
Which of the following is true of enzymes?

48.
The substances, which assist enzymes act, are called

49.
Biological catalysis in living organisms are known as

50.
Which of the following is not a function of saliva?

Read More Section(Biology)

Each Section contains maximum 100 MCQs question on Biology. To get more questions visit other sections.