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 4 English Option 1
B
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 4 English Option 2
C
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 4 English Option 3
D
COMEDK 2024 Afternoon Shift Chemistry - Biomolecules Question 4 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]
COMEDK Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12