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
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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%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is proteolytic enzyme?

(1) Insulin

(2) Diastase

(3) Pepsin

(4) Adenine

Subtopic:  Vitamins, Hormones & Enzymes |
 76%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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%
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NEET 2023 - Target Batch - Aryan Raj Singh
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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
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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%
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Kwashiorkor is caused by the deficiency of?

1. vitamins

2. hormones

3. Carbohydrate

4. essential amino acids

Subtopic:  Vitamins, Hormones & Enzymes |
 53%
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Which is fat soluble vitamin?

(1) Vitamin A

(2) Pyridoxine

(3) Riboflavin

(4) Thiamine

Subtopic:  Vitamins, Hormones & Enzymes |
 88%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which vitamin contains N ?

(1) Vitamin A

(2) Vitamin C

(3) Vitamin B

(4) Vitamin D

Subtopic:  Vitamins, Hormones & Enzymes |
 59%
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