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1
JEE Main 2024 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The incorrect statements regarding enzymes are :

(A) Enzymes are biocatalysts.

(B) Enzymes are non-specific and can catalyse different kinds of reactions.

(C) Most Enzymes are globular proteins.

(D) Enzyme - oxidase catalyses the hydrolysis of maltose into glucose.

Choose the correct answer from the option given below :

A
(B) and (D)
B
(A), (B) and (C)
C
(B) and (C)
D
(B), (C) and (D)
2
JEE Main 2024 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

DNA molecule contains 4 bases whose structure are shown below. One of the structures is not correct, identify the incorrect base structure.

A
JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 1
B
JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 2
C
JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 3
D
JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 4
3
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Coagulation of egg, on heating is because of :

A
Denaturation of protein occurs
B
Biological property of protein remains unchanged
C
Breaking of the peptide linkage in the primary structure of protein occurs
D
The secondary structure of protein remains unchanged
4
JEE Main 2024 (Online) 5th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following gives a positive test with ninhydrin ?

A
Polyvinyl chloride
B
Cellulose
C
Egg albumin
D
Starch
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