Which of the following statements about enzymes is incorrect?

(1) The catalytic action of an enzyme is not specific

(2) An enzymatic reaction is highly sensitive to temperature

(3) The catalytic action of enzymes is due to their capacity to lower the energy of activation of a particular reaction

(4) None of the above

Subtopic:  Vitamins, Hormones & Enzymes |
 78%
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Redness of blood is because of the presence of:

(1) iron in heme pigment

(2) haemoglobin

(3) copper in heme pigment

(4) all of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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NEET 2023 - Target Batch - Aryan Raj Singh
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An antigen develops antibodies which protect the body from their harmful effects. The antibodies
are:-

(1) immunoglobulins

(2) phospholipids

(3) albumins

(4) lymphocytes

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure | Vitamins, Hormones & Enzymes |
 81%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one is a test for proteins?

(1) Beilstein test             

(2) Biuret test

(3) Benedict's test           

(4) Molisch test

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 55%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Insulin has 51 amino acids in two polypeptide chains which are linked by:

(1) one sulphide bond

(2) one disulphide bond

(3) two disulphide bonds

(4) three disulphide bonds

Subtopic:  Vitamins, Hormones & Enzymes |
 68%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Deficiency of which Vitamin  develops impotence:

 

(1) B

(2) C

(3) D

(4) E

Subtopic:  Vitamins, Hormones & Enzymes |
 67%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The hormone insulin is a secretion of the organ:

1. ovary

2. testes

3. adrenal cortex

4. pancreas

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 85%
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The process of respiration in absence of oxygen is called:

(1) metabolic

(2) aerobic

(3) anaerobic

(4) glycolysis

Subtopic:  Carbohydrates - Classification & D-L configuration |
 92%
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NEET 2023 - Target Batch - Aryan Raj Singh
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One mole of glucose on respiration produces:-

(1)36 mole of ATP

(2)34 mole of ATP

(3)40 mole of ATP

(4)38 mole of ATP

Subtopic:  Polysaccharides & their Importance |
 62%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is protein hormones?

1. Insulin

2. Oxytocin

3. Both (1) and (2)

4. None of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure | Vitamins, Hormones & Enzymes |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh