1
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following is correct structure for cytosine?
A
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 70 English Option 1
B
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 70 English Option 2
C
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 70 English Option 3
D
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Biomolecules Question 70 English Option 4
2
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
The water soluble protein is :
A
Fibrin
B
Albumin
C
Myosin
D
Collagen
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Thiamine and pyridoxine are also known respectively as :
A
Vitamin B2 and Vitamin E
B
Vitamin E and Vitamin B2
C
Vitamin B6 and Vitamin B2
D
Vitamin B1 and Vitamin B6
4
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is not true about enzymes?
A
Enzymes are non-specific for a reaction and substrate.
B
Almost all enzymes are proteins.
C
Enzymes work as catalysts by lowering the activation energy of a biochemical reaction.
D
The action of enzymes is temperature and pH specific.
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