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Category: Chemistry MCQs

Atomic masses of H and O are 1 amu and 16 amu respectively. The molecular mass of hydrogen peroxide, (H2 O2 )is:

(A) 32 amu
(B) 18 amu
(C) 17 amu
(D) 34 amu

Answer: (D) 34 amu

During the process of digestion of food the proteins are broken down in to ____________ in the presence of Proteolytic Enzymes.

(A) Sugar
(B) Glycerol
(C) Energy
(D) Amino acids

Answer: (D) Amino acids 

All the following methods are used to cure cancer EXCEPT:

(A) Chemotherapy
(B) Surgery
(C) Radio therapy
(D) Hydrotherapy

Answer: (D) Hydrotherapy 

Which of the following gas is responsible for fermentation?

(A) Oxygen
(B) Nitrogen
(C) Carbon dioxide
(D) Hydrogen

Answer: (A) Oxygen 

Which of the following plays an important role in the energy release during cellular metabolism in plants?

(A) Iron
(B) Phosphorus
(C) Magnesium
(D) Calcium

Answer: (B) Phosphorus 

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