1
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

With reference to vitamins and its deficiency diseases, the correct statements are:

(i) Cheilosis is due to the deficiency of Riboflavin

(ii) The deficiency of Vitamin B6 causes pernicious anaemia

(iii) Osteomalacia is due to the deficiency of Vitamin E

(iv) The deficiency of ascorbic acid causes scurvy

(v) The deficiency of Vitamin A causes xerophthalmia

A
$$ \text { (i), (iii) and (v) } $$
B
$$ \text { (i), (ii) and (iv) } $$
C
$$ \text { (i), (iv) and (v) } $$
D
$$ \text { (ii), (iii) and (v) } $$
2
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Among the following peptides, identify the pair where the name and its structure are correctly matched.

A
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 12 English Option 1
B
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 12 English Option 2
C
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 12 English Option 3
D
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 12 English Option 4
3
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statement is not true about glucose?

A
Glucose does not give Schiff's reagent test
B
Glucose on reaction with $$\mathrm{HI}$$ and red $$\mathrm{P}$$ at $$373 \mathrm{~K}$$ gives a mixture of cyclohexane and 1-iodohexane
C
Both $$\alpha$$-D-glucose and $$\beta$$-D-glucose undergo mutarotation in aqueous solutions
D
Glucose reacts with hydroxylamine to form an oxime
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the 2 chemical tests which is not answered by Glucose having an open chain structure

[A] Reaction with Schiff's reagent and with Sodium bisulphite

[B] Reaction with $$\mathrm{HCN}$$ and with $$\mathrm{HI}$$

[C] Reaction with $$\mathrm{HNO}_3$$ and with Acetic anhydride

[D] Reaction with aqueous Bromine and with Hydroxylamine

A
[D]
B
[B]
C
[C]
D
[A]
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