genetics, evolution of life & ecological biodiversity - Category wise Question and Answer Practice Test with Solutions

Question : 6

Which of the following groups of plants are propagated through underground root?

a) Pistia, Chrysanthemum and Pineapple

b) Bryophyllum and Kalanchoe

c) Ginger, Potato, Onion and Zamikand

d) Sweet potato, Asparagus, Tapioca and Dahlia

Question : 7

Consider the following statements :

1. A colourblind person cannot distinguish between red and green.
2. Colour blindness is related with a defect in cone cells.

a) 1 and 2

b) 2 only

c) 1 only

d) None

Question : 8

Binomial Nomenclature was given by

a) Carolus Linneaus

b) Lamarck

c) Ernst Mayr

d) Cuvier

Question : 9

The two strands of DNA are held together by

a) phosphodiester bonds

b) hydrogen bonds

c) peptide bonds

d) S – S bonds

Question : 10

Which was absent in the atmosphere at the time of origin of life ?

a) H₂

b) O₂

c) NH₃

d) CH₄