Chemistry - Questions and Answers, General Study (GK)

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Chemistry - Questions and AnswersPage 37

361.

Which one among the following is not a property of salt?

(a)Salts have ordered packing arrangements called lattices

(b)Salts have low melting point but high boiling points

(c)Salts are brittle

(d)Salts conduct electricity when dissolved in water or even in the molton state

Comment

Answer is: BNA

362.

The function of enzymes living system is to

(a)Transport oxygen

(b)Provide immunity

(c)Catalyse bio-chemical reactions

(d)Provide energy

Comment

Answer is: CNA

363.

Enzymes

(a)Accelerate biochemical reaction

(b)Consist of amino acids

(c)Have optimum activity at body temperature

(d)Have all these properties

Comment

Answer is: DNA

364.

What is the bond between two amino acids in a protein called?

(a)Ester bond

(b)Glycosidic bond

(c)Peptide bond

(d)Phosphodiester bond

Comment

Answer is: CNA

365.

Which of the following has magnesium?

(a)Carbonic anhydrase

(b)Vitamin B₁₂

(c)Chlorophyll

(d)Haemocyanine

Comment

Answer is: CNA

366.

Between two strands in the double helical structure of DNA, there are

(a)Covalent bond

(b)Coordinate bond

(c)Ionic bond

(d)Hydrogen bond

Comment

Answer is: DNA

367.

Which of the following is an example of conjugated protein?

(a)Albumin

(b)Glycoprotein

(c)Globulin

(d)Glutelin

Comment

Answer is: BNA

368.

Which one of the following statements regarding starch and cellulose is not correct?

(a)Both of them are green plant origin

(b)Both of them are polymers

(c)Both of them give colour with iodine

(d)Both of them are made up of glucose molecules

Comment

Answer is: CNA

369.

Which one of the following vitamin is essential for coagulation of blood?

(a)Vitamin-A

(b)Vitamin-B₁₂

(c)Vitamin-K

(d)Vitamin-D

Comment

Answer is: CNA

370.

Which one of the following Carbohydrates is used for silvering of mirror?

(a)Sucrose

(b)Glucose

(c)Maltose

(d)Fructose

Comment

Answer is: BNA

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Chemistry - Questions and AnswersPage 37

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