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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Vitamin which is believed to cure common cold is ?

(1) A

(2) C

(3) K

(4) E

Subtopic:  Vitamins, Hormones & Enzymes |
 57%
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A vitamin which plays a vital role in the coagulating property of blood is:-

(1) vitamin A

(2) vitamin D

(3) vitamin B

(4) vitamin K

Subtopic:  Vitamins, Hormones & Enzymes |
 90%
From NCERT
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Which is not a poison for enzymes?

(1) CN-                       

(2) Fe3+

(3) Pb2+                     

(4) AsO43-

Subtopic:  Vitamins, Hormones & Enzymes |
 69%
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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 |
 77%
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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
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Antibodies are?

(1) Carbohydrates

(2) proteins

(3) phospholipids

(4) lipids

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 83%
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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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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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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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