set 5 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements :

1. Genetic code is the sequence of nucleotide bases in mRNA encoding the information for protein synthesis; which determines sequence of amino acids in proteins.
2. The genetic code is triplet.
3. Holley, Nirenberg and Khurana got Nobel Prize for decoding genetic information.

a) 1 and 2

b) 2 only

c) 1 only

d) 2 and 3

Question : 2

Nucleotide arrangement in DNA can be seen by

a) Electron microscope

b) Ultracentrifuge

c) X-ray crystallography

d) Light microscope

Question : 3

With reference to soil conservation, consider the following practices :

1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks

a) 1, 3 and 4 only

b) 1, 2, and 3 only

c) 2 and 4 only

d) 1, 2, 3 and 4

Question : 4

Which of the following animal is not a insect ?

a) Beetle

b) Ticks

c) Honey bee

d) Wasp