objective questions set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

What is “Kiss of death” ?

a) A good wine flavour working on which scientist won the 2004 Nobel Prize in Chemistry.

b) A flower whose smell was the basis of a discovery on smell that led to award of 2004 Nobel Prize in Medicine.

c) A chemical whose discovery ultimately won the scientists the 2004 Nobel Prize in Chemistry.

d) A network in brain associated with smell whose discovery led the scientists win the 2004 Nobel Prize in Physiology and Medicine.

Question : 2

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 : 3

The IUPAC name of CH₃CH₂COCl is

a) acetyl chloride

b) ethanoyl chloride

c) propanoyl chloride

d) chloroethane

Question : 4

Organic compounds will always contain

a) nitrogen

b) hydrogen

c) carbon

d) sulphur

Question : 5

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)

Question : 6

Pentane has the molecular formula C₅H₁₂. It has

a) 16 covalent bonds

b) 12 covalent bonds

c) 5 covalent bonds

d) 17 covalent bonds