The backbone of the DNA is formed by

1.	sugar, phosphate, sugar chain
2.	sugar, phosphate, nitrogenous base chain
3.	Phosphate, sugar, phosphate chain
4.	Both A and B

In DNA strands, there are ____ H- bonds b/w A and T and ____H-bonds b/w G and C respectivley

(1)2,3

(2)3,2

(3)2,2

(4)3,3

Which of the following is the pitch of B-DNA

(1)34Angstrom

(2)34 nanometre

(3)34 picometre

(4)34 femtometre

Which model explains the double helix nature of DNA

(1)Watson and Crick Model

(2)Gene Battery Model

(3)Sanger Sequencing

(4)Both A and C

The amino acids which are synthesised by our body are known as

(1)Essential amino acids

(2)Non-essential amino acids

(3)Optical amino acids

(4)Both A and C

The body meets the demand of essential amino acids through

(1) Food

(2) Body synthesised  on its own

(3) Both A and B

(4) None of these

Which of the following is not the function of protein

(1)Act as hormones

(2)act as enzymes

(3)act as genetic material

(4)fight against infections

RUBISCO stands for

(1)Ribose bisphosphate Carboxylase-Oxygenase

(2)Ribulose bisphosphate Carboxylase-Oxygenase

(3)Ribulose bisphosphatase Carboxylase-Oxygenase

(4)Ribose bisphosphatase Carboxylase-Oxygenase

Which of the following is the most abundant protein in the whole of the biosphere?

(1)Collagen

(2)Albumin

(3)RUBISCO

(4)Antibody

Which of the following is present as a store house of energy in plant tissues?

(1)Cellulose

(2)Sucrose

(3)Glycogen

(4)Starch