JEE Main 2022 (Online) 24th June Morning Shift | Biomolecules Question 63 | Chemistry

A polysaccharide 'X' on boiling with dil H₂SO₄ at 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water gives gluconic acid. 'X' contains $$\beta$$-glycosidic linkages only. Compound 'X' is :

starch

cellulose

amylose

amylopectin

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

Which of the following is not an example of fibrous protein?

Keratin

Albumin

Collagen

Myosin

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

-1

Which one of the following compounds contains $$\beta$$-C₁-C₄ glycosidic linkage?

Lactose

Sucrose

Maltose

Amylose

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

Hydrolysis of sucrose gives :

$$\alpha$$-D-($$-$$)-Glucose and $$\beta$$-D-($$-$$)-Fructose

$$\alpha$$-D-(+)-Glucose and $$\alpha$$-D-($$-$$)-Fructose

$$\alpha$$-D-($$-$$)-Glucose and $$\alpha$$-D-(+)-Fructose

$$\alpha$$-D-(+)-Glucose and $$\beta$$-D-($$-$$)-Fructose

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