Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2023
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I : A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside

Statement II : When nucleoside is linked to phosphorous acid at 5' position of sugar moiety, we get nucleotide.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are false
B
Statement I is true but Statement II is false
C
Statement I is false but Statement II is true
D
Both Statement I and Statement II are true
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The incorrect statement about denaturation of proteins is :

A
Uncoiling of the helical structure takes place
B
It results due to change of temperature and/or pH
C
It results in loss of biological activity of proteins
D
A protein is formed from amino acids linked by peptide bonds
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The incorrect statement regarding enzymes is

A
Enzymes are biocatalysts.
B
Like chemical catalysts enzymes reduce the activation energy of bio processes.
C
Enzymes are polysaccharides.
D
Enzymes are very specific for a particular reaction and substrate.
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following is a basic amino acid?
A
Alanine
B
Tyrosine
C
Lysine
D
Serine
NEET Subjects