Home Maths JEE - Advanced Previous Year Paper JEE-Advanced-2019-Paper-1 SECTION 2 (Maximum Marks: 32) • This section…
Maths JEE - Advanced Previous Year Paper JEE-Advanced-2019-Paper-1 Single Correct MCQ
Published on: August 14, 2026

SECTION 2 (Maximum Marks: 32)

• This section contains EIGHT (08) questions.

• Each question has FOUR options. ONE OR MORE THAN ONE of these four option(s) is (are) correct answer(s).

• For each question, choose the option(s) corresponding to (all) the correct answer(s).

• Answer to each question will be evaluated according to the following marking scheme:

Full Marks : +4 If only (all) the correct option(s) is (are) chosen.

Partial Marks : +3 If all the four options are correct but ONLY three options are chosen.

Partial Marks : +2 If three or more options are correct but ONLY two options are chosen, both of which are correct options.

Partial Marks : +1 If two or more options are correct but ONLY one option is chosen and it is a correct option.

Zero Marks : 0 If none of the options is chosen (i.e. the question is unanswered).

Negative Marks : -1 In all other cases.

• For Example: If

A
, , and and will get +1 mark, Choosing ONLY Oxidation of glucose with bromine water gives glutamic acid
B
and and will get +2 marks, Choosing ONLY and will get +1 mark, Choosing ONLY The two six-membered cyclic hemiacetal forms of D-(+)-glucose are called anomers
C
Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones
D
are the ONLY three options corresponding to correct answers, then Choosing ONLY will get +4 marks, Choosing ONLY will get +2 marks, Choosing ONLY will get +2 marks, Choosing ONLY will get +1 mark, Choosing no option (i.e. the question is unanswered) will get 0 marks, and Choosing any other combination of options will get -1 marks. Which of the following statements(s) is (are) true ? Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose

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The correct answer is:
CHECK THE SOLUTION.

(B, C, D)

-D-glucopyranose and -D-glucopyranose are anomers of each other.

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