1
JEE Main 2021 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the incorrect statement from the following
A
Amylose is a branched chain polymer of glucose
B
Starch is a polymer of $$\alpha$$-D glucose
C
$$\beta$$-Glycosidic linkage makes cellulose polymer
D
Glycogen is called as animal starch
2
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Deficiency of vitamin K causes :
A
Cheilosis
B
Decrease in blood clotting time
C
Increase in blood clotting time
D
Increase in fragility of RBC's
3
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
A non-reducing sugar "A" hydrolyses to give two reducing mono saccharides. Sugar A is
A
Fructose
B
Galactose
C
Glucose
D
Sucrose
4
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
$${C_{12}}{H_{22}}{O_{11}} + {H_2}O\buildrel {Enzyme\,A} \over \longrightarrow \mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} + \mathop {{C_6}{H_{12}}{O_6}}\limits_{Fructose} $$

$$\mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} \buildrel {Enzyme\,B} \over \longrightarrow 2{C_2}{H_5}OH + 2C{O_2}$$

In the above reactions, the enzyme A and enzyme B respectively are :
A
Zymase and Invertase
B
Invertase and Amylase
C
Amylase and Invertase
D
Invertase and Zymase
JEE Main 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