objective questions set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Match Column-I with Column-II :

a) A-P; B-Q; C-Q; D-S

b) A-S; B-R; C-P; D-Q

c) A-Q; B-R; C-S; D-P

d) A-S; B-R; C-Q; D-P

Question : 2

The IUPAC name of CH₃CH₂COCl is

a) acetyl chloride

b) ethanoyl chloride

c) propanoyl chloride

d) chloroethane

Question : 3

Alkenes are characterized by

a) C ≡ C bonds

b) C = C bonds

c) C – C bonds

d) cyclic structure

Question : 4

The prerequisites for biotechnological production of antibiotics is

1. to search an antibiotic producing micro-organism
2. to isolate the antibiotic gene
3. to join antibiotic gene with E.coli plasmid

a) 1 and 3

b) 1, 2 and 3

c) 2 and 3

d) 1 and 2

Question : 5

Organic compounds will always contain

a) nitrogen

b) hydrogen

c) carbon

d) sulphur

Question : 6

The heteroatoms present in CH₃ — CH₂ — O — CH₂— CH₂ Cl are

1. Oxygen
2. Carbon
3. Hydrogen
4. Chlorine

a) (iii) and (iv)

b) (ii) and (iii)

c) (i) and (ii)

d) (i) and (iv)