Biomolecules JEE Mains Questions

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Biomolecules JEE Mains Questions. We covered all the Biomolecules JEE Mains Questions in this post for free so that you can practice well for the exam.

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Mock Test on Biomolecules for Students

Which one of the following polymers is used in making bulletproof vests?

(a) Bakelite

(b) Polyamides

(c) Taflon

(d) Polyurethane

Option b – Polyamides

Which one among the following gases readily combines with the hemoglobin of the blood?

(a) Methane

(b) Nitrogen dioxide

(c) Carbon monoxide

(d) Sulphur dioxide

Option c – Carbon monoxide

Cyanide poisoning causes death in seconds because

(a) it breaks the electron transport chain

(b) it denatures enzymes in the heart muscle.

(c) it causes cardiac arrest.

(d) it causes lysis of red blood cells.

Option a – it breaks the electron transport chain

Sweat contains water and ………

(a) the citric acid

(b) lactic acid

(c) salt

(d) vinegar

Option c – salt

Consider the following statements Enzymes and proteins can be correlated with each other in the following ways. I. All proteins are enzymes. II. All enzymes are proteins. III. All enzymes are not proteins. IV. All proteins are not enzymes. Which of the statements given above is/are correct?

(a) I and III

(b) II and IV

(c) I, II and III

(d) II, III and IV

Option b – II and IV

Which among the following is not a polymer?

(a) Nylon

(b) Teflon

(c) Caprolactam

(d) Polystyrene

Option c – Caprolactam

Which one among the following is the natural polymer?

(a) Nylon

(b) Teflon

(c) PVC

(d) Cellulose

Option d – Cellulose

Bakelite is formed by the condensation of

(a) Urea and formaldehyde

(b) Phenol and formaldehyde

(c) Phenol and acetaldehyde

(d) Melamine and formaldehyde

Option b – Phenol and formaldehyde

Teflon is the common name of

(a) Polytetrafluoroethylene

(b) Polyvinyl chloride

(c) Polyvinyl fluoride

(d) Dichlorodifluoro methane

Option a – Polytetrafluoroethylene

Non-stick frying pans are coated with

(a) Orlon

(b) Teflon

(c) Polystyrene

(d) Polypropylene

Option b – Teflon

Which one of the following polymers is not biodegradable?

(a) Cellulose

(b) Starch

(c) Protein

(d) PVC

Option d – PVC

Phenol is used in the manufacture of which one of the following?

(a) PVC

(b) Nylon

(c) Polystyrene

(d) Bakelite

Option d – Bakelite

Consider the following statements. I. Vitamins are complex organic molecules. II. Vitamins are required in small amounts for our life. Ill. Water-soluble vitamins can be stored in our bodies. Which of the above statement(s) is/are correct?

(a) I and II

(b) I and III

(c) II and III

(d) Only III

Option a – I and II

Which of the following statements about vitamins is correct? I. Vitamine C is essential to make connective tissue in the body. II. Vitamin D is needed for the synthesis of eye pigment. III. Vitamin B₂ helps in the maturation of RBC. IV. Vitamin C is required to make use of calcium absorbed from the intestine. Select the correct answer using the codes given below.

(a) I and II

(b) I and III

(c) II and IV

(d) I and IV

Option b – I and III


(a) accelerate biochemical reactions

(b) consist of amino acids

(c) have optimum activity at body temperature

(d) have all these properties.

Option d – have all these properties

Which one of the following hormones contains a peptide chain?

(a) Oxytocin

(b) Corticotropin

(c) Insulin

(d) Cortisone

Option a – Oxytocin

The function of enzymes in the living system is to

(a) Transport oxygen

(b) provide immunity

(c) catalyze biochemical reaction

(d) provide energy

Option c – catalyze biochemical reaction

Which one of the following enzymes is used to digest gelatine in the process of recovering silver from the photographic film?

(a) Amylase

(b) Pepsin

(c) Lipase

(d) None of these

Option b – Pepsin

Which of the following vegetable oils does not contain essential fatty acids ?

(a) Sunflower oil

(b) Mustard oil

(c) Coconut oil

(d) Groundnut oil

Option a – Sunflower oil

Which of the following has magnesium?

(a) Carbonic anhydrase

(b) Vitamin B₁₂

(c) Chlorophyll

(d) Haemocyanine

Option c – Chlorophyll

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