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1
JEE Main 2024 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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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
2
JEE Main 2024 (Online) 5th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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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
3
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
4
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

LIST I LIST II
A. $$\alpha$$ - Glucose and $$\alpha$$ - Galactose I. Functional isomers
B. $$
\alpha \text { - Glucose and } \beta \text { - Glucose }
$$		 II. Homologous
C. $$
\alpha \text { - Glucose and } \alpha \text { - Fructose }
$$		 III. Anomers
D. $$
\alpha \text { - Glucose and } \alpha \text { - Ribose }
$$		 IV. Epimers

Choose the correct answer from the options given below:

A
A-III, B-IV, C-II, D-I
B
A-IV, B-III, C-I, D-II
C
A-III, B-IV, C-I, D-II
D
A-IV, B-III, C-II, D-I
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