MereTeacher

JEE • NEET • FOUNDATION

JEE · NEET Previous Year Question

$Which one of the following bases is not present in DNA ?$

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

A $Quinoline$
B $Adenine$
C $Cytosine$
D $Thymine$

Correct answer: A

Solution

(a) Quinoline is an alkaloid, it is not present in DNA, DNA has four nitrogenous bases in adenine, guanine, cytosine & thymine

More Biomolecules PYQs

$Which of the given statements is INCORRECT about glycogen ?$
$The hormone that helps in the conversion of glucose to glycogen is$
$Given below are two statements: Statement I: D-glucose pentaacetate reacts with 2, 4-dinitrophenylhydrazine Statement II : Starch,\dots$
$Out of the following, which type of interaction is responsible for the stabilisation of α -helix structure of protein\dots$
$Which one of the amino acids can be synthesised in the body?$