1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ 2\left(\mathrm{C}_{51} \mathrm{H}_{98} \mathrm{C}_6\right)+145 \mathrm{O}_2 \rightarrow 102 \mathrm{CO}_2+98 \mathrm{H}_2 \mathrm{O}+\text { energy } $$

The Respiratory Quotient (RQ) of a biomolecule used for respiration, as per the above equation would be :

A

Between 0.5 and 0.95

B

Less than 0.5

C

1.0

D

Between 1.25 and 2

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II : } $$

List-I
(Phase of cell cycle)
List-II
(Activity)
A. Incomplete dominance I. Human skin colour
B. Co-dominance II. Inheritance of flower colour in Antirrhinum sp.
C. Pleiotropy III. Phenylketonuria disease in humans
D. Polygenic inheritance IV. ABO blood groups

Choose the correct answer from the options given below :

A

A-II, B-IV, C-III, D-I

B

A-I, B-III, C-II, D-IV

C

A-I, B-IV, C-III, D-II

D

A-II, B-I, C-III, D-IV

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Arrange the following steps of DNA fingerprinting in a correct sequence.

A. Isolation of DNA and its digestion by restriction endonucleases.

B. Hybridisation using a labelled VNTR probe.

C. Transferring of separated DNA fragments to synthetic membranes.

D. Detection of hybridised DNA fragments by autoradiography.

E. Separation of DNA fragments by electrophoresis.

Choose the correct answer from the options given below :

A

$\mathrm{A}, \mathrm{B}, \mathrm{D}, \mathrm{C}, \mathrm{E}$

B

$\mathrm{A}, \mathrm{D}, \mathrm{B}, \mathrm{E}, \mathrm{C}$

C

$A, E, C, B, D$

D

$\mathrm{A}, \mathrm{E}, \mathrm{B}, \mathrm{C}, \mathrm{D}$

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements are correct with reference to packaging of DNA helix ?

A. Histones are organized to form a unit of eight molecules called histone octamer.

B. Histones are negatively charged basic proteins.

C. Histones are rich in the basic amino acid residues - lysine and arginine.

D. The positively charged DNA is wrapped around the histone octamer to form nucleosome.

E. The packaging of chromatin at higher levels requires an additional set of proteins called non-histone chromosomal proteins.

Choose the correct answer from the options given below :

A

A, C and E only

B

B, D and E only

C

C, D and E only

D

A, B and D only