Which is not a poison for enzymes?

(1) CN-                       

(2) Fe3+

(3) Pb2+                     

(4) AsO43-

Subtopic:  Vitamins, Hormones & Enzymes |
 69%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The non-proteinous substances which certain enzymes required for their activity are called:

(1) catalysts                     

(2) inhibitors

(3) co-enzymes                 

(4) epimers

Subtopic:  Vitamins, Hormones & Enzymes |
 76%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The complementary base of adenine in one strand to that in the other strand of DNA is:

1. Cytosine

2. Guanine

3. Uracil

4. Thymine

Subtopic:   DNA, RNA & Metal Ions |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Antibodies are?

(1) Carbohydrates

(2) proteins

(3) phospholipids

(4) lipids

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 83%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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 |
 77%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

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%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Deficiency of which Vitamin  develops impotence:

 

(1) B

(2) C

(3) D

(4) E

Subtopic:  Vitamins, Hormones & Enzymes |
 66%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints