In the human body, enzymes hydrolyse protein into:

1. a ketonic acid-like CH3COCOOH

2. a hydroxy acid like CH3CHOHCOOH

3. dicarboxylic acid-like HOOC—COOH

4. amino acid-like CH2NH2COOH

Subtopic:  Vitamins, Hormones & Enzymes |
 82%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which statement about protein is wrong?

(1) Proteins occur in all living cells

(2) Proteins invariably contain N, O, C and H

(3) Proteins are synthesized by plant kingdom only

(4) Proteins are also synthesized in laboratory

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 84%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The main structural feature(s) of protein is/are:

1. The ester linkage

2. The ether linkage

3. The peptide linkage

4. All of these

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Proteins give ?

(1) a violet colour with alkaline CuSO4 solution

(2) form a purple colour on boiling with dilute ninhydrin solution

(3) yellow colour on boiling with HNO3

(4) all of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 81%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following is proteolytic enzyme?

(1) Insulin

(2) Diastase

(3) Pepsin

(4) Adenine

Subtopic:  Vitamins, Hormones & Enzymes |
 76%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Keratin, a structural protein is present in:

1. hair

2. skin

3. wool

4. All of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 73%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Blood protein is ?

(1) albumin

(2) haemoglobin

(3) both (1) and (2)

(4) none of these

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 71%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The destruction of the biological nature and activity of proteins by heat or chemical agent is called :-

1. Dehydration 2. Denaturation
3. De-nitrogenation 4. Deamination
Subtopic:  Denaturation of Proteins & Chemical Properties |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Enzyme trypsin converts:

1. amino acids into proteins

2. glucose into glycogens

3. starch into sugar

4. proteins into amino acids

Subtopic:  Vitamins, Hormones & Enzymes |
 81%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Kwashiorkor is caused by the deficiency of?

1. vitamins

2. hormones

3. Carbohydrate

4. essential amino acids

Subtopic:  Vitamins, Hormones & Enzymes |
 53%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints