1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Carbon monoxide is poisonous to human beings because

A
it binds 300 times more strongly to haemoglobin than oxygen.
B
it doesn't bind to haemoglobin
C
it forms cyanide in body
D
it leads to coagulation of blood
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which one of the following sets of monosaccharides forms sucrose?

A
$$\alpha$$-D-galactopyranose and $$\alpha$$-D-glucopyranose
B
$$\alpha$$-D-glucopyranose and $$\beta$$-D-fructofuranose
C
$$\beta$$-D-glucopyranose and $$\alpha$$-D-fructofuranose
D
$$\alpha$$-D-glucopyranose and $$\beta$$-D-fructopyranose
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following amino acid (NH$$_2$$CHRCOOH) contains polar R group?

A
Alanine
B
Valine
C
Glycine
D
Glutamine
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Among the following enzymes, which one is involved in the given below catalytic reaction?

$${C_6}{H_{12}}{O_6}(aq) \to 2{C_2}{H_5}OH(aq) + 2C{O_2}(g)$$

A
Maltase
B
Urease
C
Zymase
D
Invertase
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