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Brown algae is the source of agar-agar.

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Important Questions on Biomolecules

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Which one of the following is a non-reducing carbohydrate?

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Choose the correct statements from the following:
A) In a polysaccharide chain, the right end is reducing end and the left end is non-reducing end.
B) In a protein, the right end is a first amino acid called N-end, and the left end is called C-terminal.
C) Concanavalin A is a drug used to cure cancer along with vinblastin and curcumin.
D) GLUT-

4

enables glucose transport into cells.

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

The two functional groups characteristic of sugars are

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Identify the substances having glycosidic bond and peptide bond, respectively in their structure.

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Assertion $(A) :$ Starch can hold iodine molecules whereas cellulose cannot hold iodine molecules.

Reason $(R) :$ Cellulose forms helical secondary structures whereas starch does not contain complex helices.

The correct answer is:

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Sucrose, common table sugar is composed of

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

The iodine solution used to test the presence of starch is prepared by

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Iodine turns blue-black on reacting with _____.

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

How will you test for the presence of starch in a leaf?

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

A polysaccharide constituent found in the matrix of cartilage is

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Which one of the following is the sweetest sugar

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Match the biological molecule listed under column I with their biological functions listed under column II and select the answer which gives the correct combination of alphabets of the two columns.

	Column I (Biological molecules)		Column II (Functions)
A.	Glycogen	p.	Hormone
B.	Globulin	q.	Biocatalyst
C.	Steroids	r.	Antibody
D.	Thrombin	s.	Storage product

EASY

Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

Which of the following is monosaccharide?

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Biology>Cell Biology and Biomolecules>Biomolecules>Carbohydrates

A destarched leaf on a potted plant was covered with black (A), white (B), and transparent (C) strips of paper, as shown in the figure. After six hours of exposure to sunlight, the leaf was removed from the plant and tested for starch. Which one of the following will be the correct observation?

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