Which of the following pair gives same phenyl osazone ?

(a) D-Glucose and D-Allose
(b) D-Glucose and D-Alfrose
(c) D-Glucose and D-Mannose
(d) D-Glucose and D-Talose

Subtopic:  Polysaccharides & their Importance |
 82%
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Proteins mainly contain:

(1) C, H, O and N

(2) Only C and H

(3) C, H and O

(4) N and H

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 91%
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The main structural feature of protein is:

(1) The ester linkage

(2) The ether linkage

(3) The peptide linkage

(4) All of these

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 88%
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Keratin, a structural protein is present in:
(a) hair
(b) skin
(c) wool
(d) all of these

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 73%
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Blood protein is ?
(a)albumin
(b)haemoglobin
(c)both (a) and (b)
(d)none of these

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 78%
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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 |
 93%
From NCERT
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Which is not a poison for enzymes?

(a) CN-                       (b) Fe3+

(c) Pb2+                     (d) AsO43-

Subtopic:  Vitamins, Hormones & Enzymes |
 73%
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The non-proteinous substances which certain enzymes require for their activity are called:

(a) catalysts                      (b) inhibitors

(c) co-enzymes                  (d) epimers

Subtopic:  Vitamins, Hormones & Enzymes |
 80%
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Antibodies are ?
(a) Carbohydrates
(b) proteins
(c) phospholipids
(d) lipids

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 87%
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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 |
 83%
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