1
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct representation in six membered pyranose form for the following sugar [X] is

JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English

A
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 1
B
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 2
C
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 3
D
JEE Main 2023 (Online) 1st February Morning Shift Chemistry - Biomolecules Question 32 English Option 4
2
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List I List II
Test Functional group / Class of Compound
A. Molisch's Test I. Peptide
B. Biuret Test II. Carbohydrate
C. Carbylamine Test III. Primary amine
D. Schiff's Test IV. Aldehyde

Choose the correct answer from the options given below :

A
(A) - III, (B) - IV, (C) - II, (D) - I
B
(A) - II, (B) - I, (C) - III, (D) - IV
C
(A) - III, (B) - IV, (C) - I, (D) - II
D
(A) - I, (B) - II, (C) - III, (D) - IV
3
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A protein '$$\mathrm{X}$$' with molecular weight of $$70,000 \mathrm{~u}$$, on hydrolysis gives amino acids. One of these amino acid is

A
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Biomolecules Question 30 English Option 1
B
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Biomolecules Question 30 English Option 2
C
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Biomolecules Question 30 English Option 3
D
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Biomolecules Question 30 English Option 4
4
JEE Main 2023 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Ketoses give Seliwanoff's test faster than Aldoses.

Reason (R) : Ketoses undergo $$\beta$$-elimination followed by formation of furfural.

In the light of the above statements, choose the correct answer from the options given below :

A
(A) is false but (R) is true
B
Both (A) and (R) are true but (R) is not the correct explanation of (A)
C
(A) is true but (R) is false
D
Both (A) and (R) are true and (R) is the correct explanation of (A)
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