NEET 2022 Phase 2 | NEET Year Wise Previous Years Questions

NEET 2022 Phase 2

MCQ (Single Correct Answer)

The incorrect statement about denaturation of proteins is :

Uncoiling of the helical structure takes place

It results due to change of temperature and/or pH

It results in loss of biological activity of proteins

A protein is formed from amino acids linked by peptide bonds

NEET 2022 Phase 2

MCQ (Single Correct Answer)

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : The metal carbon bond in metal carbonyls possesses both $$\sigma$$ and $$\pi$$ character.

Reason (R) : The ligand to metal bond is a $$\pi$$ bond and metal to ligand bond is a $$\sigma$$ bond.

In the light of the above statements, choose the most appropriate answer from the options given below.

(A) is not correct but (R) is correct

Both (A) and (R) are correct and (R) is the correct explanation of (A)

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(A) is correct but (R) is not correct

NEET 2022 Phase 2

MCQ (Single Correct Answer)

Which of the following is the most stable carbocation?

NEET 2022 Phase 2

MCQ (Single Correct Answer)

Given below are two statements :

Statement I : Cr²⁺ is oxidising and Mn³⁺ is reducing in nature.

Statement II : Sc³⁺ compounds are repelled by the applied magnetic field.

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

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect