EASY
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Goblet cells are an example of

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Important Questions on Human Health and Disease

EASY
Carnivorous animals use _____ teeth to tear flesh.
 
MEDIUM

Read the following statements and identify true (T)/ false (F) among them and choose the correct option.

(i) Bile juice does not have any digestive enzyme.

(ii) Hydrochloric acid secreted in stomach kills infections causing pathogens and provides acidic medium for activity of enzymes.

(iii) Chemical process of digestion of proteins is initiated in oral cavity.

(iv) The process of conversion of complex food substances into simple absorbable forms is called assimilation.

 (v) Amylopsin acts on polysaccharides in acidic medium.

EASY
A person deficient in the visual pigment rhodopsin should be advised to take more of carrot and papaya.
EASY
The process of digestion is accomplished by :
MEDIUM
The essential chemical components of many coenzymes are 
EASY
During prolonged fasting, in what sequence are the following organic compounds used up by the body?
MEDIUM

Read the following statements:

(i) Vitamins, minerals, and water are protective principles of food.

(ii) Carbohydrates, proteins, and lipids are proximate principles of food.

(iii) The length of alimentary canal is longer in carnivores compared with herbivores.

(iv) Intrinsic factor is required for absorption of phylloquinone.

Which of the above statements are correct?
EASY
How and where does the digested food get absorbed in human?
HARD
During prolonged fasting, in what sequence are the following organic compounds used up by the body?
EASY
Digestion is the breaking down of large food molecules into smaller ones. The main purpose of this is to-
HARD
A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.
HARD
Arrows A, B and C in the diagram below represent the processes necessary to make the energy stored in food available for muscle activity:

Question Image

The correct sequence of processes represented by A, B, and C are:-
EASY
It helps to digest food taken in from out side the body.
EASY
This vitamin is needed to make red blood cells.