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Biomolecules

Description: Get Complete study material and notes for Chemistry, Biomolecules, Organic Molecule, Molecules, Amino acids, Nucleotides, Monosaccharides, DNA, RNA, DNA Molecules, RNA Molecules
Number of Questions: 25
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Tags: Chemistry Biomolecules Organic Molecule Molecules Amino acids Nucleotides Monosaccharides DNA RNA DNA Molecules RNA Molecules Polysaccharides Carbohydrates Proteins Nucleic Acids Macromolecules of Life Biomacromolecules
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The simplest form of carbohydrates is:

  1. glycogen

  2. cane sugar

  3. starch

  4. monosaccharide


Correct Option: D

Animal starch (glycogen) in human body is stored in:

  1. liver and muscles

  2. liver and spleen

  3. spleen and gall bladder

  4. spleen and muscles


Correct Option: A

Iodine test is used to detect:

  1. protein

  2. lipids

  3. nucleic acid

  4. starch


Correct Option: D

Sucrose is made up of

  1. glucose and mannose

  2. glycogen and fructose

  3. glucose and galactose

  4. glucose and fructose


Correct Option: D

The protein part of an enzyme is called

  1. apoenzyme

  2. prosthetic group

  3. coenzyme

  4. cofactor


Correct Option: A

Which one of the following is a structural protein?

  1. Albumin

  2. Globulin

  3. Histone

  4. Keratin


Correct Option: D

Milk contains the protein:

  1. casein

  2. globulin

  3. albumin

  4. histone


Correct Option: A

The protein that imparts red color to blood is

  1. cytochrome

  2. haemocyanin

  3. hemoglobin

  4. casein


Correct Option: C

Which one of the following is not an amino acid?

  1. Glycine

  2. Lysine

  3. Tryptophan

  4. Uracil


Correct Option: D

The proteins involved in the contraction of the muscle fibres are:

  1. histones and protamines

  2. keratin and scleroprotein

  3. actin and myosin

  4. albumins and globulins


Correct Option: C

_______is a protein deficiency disorder.

  1. Kwashiorkor disease

  2. Amoebiasis

  3. Diabetes

  4. Cancer


Correct Option: A

FMN, NAD and NADP are

  1. cofactors

  2. coenzymes

  3. chitins

  4. glycogens


Correct Option: A

The examples of hexose sugars are:

  1. glyceraldehyde and dihydroxyacetone phosphate

  2. ribose and deoxyribose

  3. glucose, fructose, galactose

  4. none of these


Correct Option: C

At high temperatures, enzymes are

  1. denatured

  2. unaffected

  3. inactivated

  4. none of these


Correct Option: A

The polysaccharide, known as animal starch, is

  1. amylase

  2. amyloprotein

  3. chitin

  4. glycogen


Correct Option: D

Glucose, Galactose and fructose are

  1. trioses

  2. pentoses

  3. tetroses

  4. hexoses


Correct Option: D

The chief constituent of cell wall of plants is

  1. cellulose

  2. chitin

  3. glycogen

  4. starch


Correct Option: A

Glucose and galactose forms:

  1. maltose

  2. sucrose

  3. lactose

  4. all of these


Correct Option: C

Which among the following is a heteropolysaccharide?

  1. Glucose

  2. Glycogen

  3. Chitin

  4. Sucrose


Correct Option: C

Which among the following is/are homopolysaccharide?

  1. Starch

  2. Glycogen

  3. Cellulose

  4. All of these


Correct Option: D

Serum albumin in human blood is:

  1. simple protein

  2. complex protein

  3. conjugated protein

  4. none of these


Correct Option: A

Agar-agar is obtained from

  1. gelidium

  2. volvox

  3. chara

  4. spirulina


Correct Option: A

D-Glucose and D-Galactose are obtained as a result of the hydrolysis of

  1. maltose

  2. sucrose

  3. lactose

  4. none of these


Correct Option: C

The important organic molecules of living cells include

  1. carbohydrates

  2. proteins and lipids

  3. nucleic acids

  4. all of these


Correct Option: D

Which among the following is not a polysaccharide?

  1. Starch

  2. Maltose

  3. Glycogen

  4. Cellulose


Correct Option: B
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