set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Whittaker is famous for

a) Five kingdom classification

b) Two kingdom classification

c) Four kingdom classification

d) Distinguishing in Bacteria & Blue green algae

Question : 2

Consider the following statements :

1. Mirabilis is an exception to Mendel’s principle of dominance.
2. Mendel’s second law is the law of segregation.
3. Mendel’s law of independent assortment is based on F2 ratio of 9 : 3 : 3 1.

a) 1 and 3

b) 2 only

c) 1 only

d) 1, 2 and 3

Question : 3

The mutation theory of evolution was enunciated by

a) Lamarck

b) Huxley

c) Darwin

d) Hugo de Vries

Question : 4

To which of the following types of animals are Salamanders closely related?

a) Prawns and Crabs

b) Dolphins and Whales

c) Frogs and Toads

d) Seals and Walruses

Question : 5

According to recent proof, the life on earth emerged approximately

a) Before 20,00,000 years

b) Before 20,000 years

c) Before 2,00,000 years

d) Before 2,000,000,000 years

Question : 6

Which bacteria is utilized in gober gas plant?

a) Ammonifying bacteria

b) Methanogens

c) Nitrifying bacteria

d) Denitrifying bacteria