Quiz-MCQ-1-Chapter-1-Biomolecule-Biology-Class-XI-MHTCET

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25 Mark Test

Quiz Start : 29/03/2025 3:46 am

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1.

Q- Levulose present in honey is a

disaccharide

glucose

fructose

pentose

2.

Q- Fatty acids contain…

greater proportion of oxygen than in carbohydrates

no oxygen

equal oxygen in comparison to carbohydrates

less oxygen than that of carbohydrates

3.

Q- Chitin is a structural polysaccharide which is polymerised from ……

N-acetylglucosamine

glucose

deoxyribose

None of these

4.

Q- Primary structure of protein is due to…

hydrogen bonds

peptide bonds

S — S linkage

ionic bonds

5.

Q- Match the following columns.

Column I

Column II

A. Monosaccharides

1. Starch, chitin

B. Oligosaccharide

2. Raltinose, sucrose

C. Polysaccharide

3. Glucose, fructose

.A-1 B-2 C-3

A-3 B-2 C-1

cA-1 B-3 C-2

A-3 B-1 C-2

6.

Q- Cellobiose, a disaccharide is formed from the hydrolysis of ……

starch

glycogen

cellulose

raffinose

7.

Q- The cellular micromolecules are…..

amino acids, water, minerals, nucleotides and sugar

glycogen, amino acids, minerals and nucleotides

water minerals, nucleic acids, amino acids and nucleotides

sugars, water, minerals, proteins and nucleotides

8.

Q Glycosidic linkage at place of branching in starch and glycogen is

∝-1 → 6

∝-1 → 4

β-1 → 4

β-1 → 6

9.

Q- Reducing sugar…

can reduce Cu²⁺ to Cu⁺

have a free keto group

have a free aldehyde group

All given option is correct

10.

Q- The molecule given below is…

glucose

fructose

sucrose

galactose

11.

Q- The components of cane sugar are…

glucose and fructose

fructose and galactose

fructose and ribose

glucose and glucose

12.

Q- Which of the following is a conjugated protein?

Mucin

MHC

Immunoglobulins

All of the above

13.

Q-A heteropolysaccharide is…..

glycogen

starch

cellulose

chitin

14.

Q- Each molecule of fat has…

one glycerol molecule

one fatty acid molecule

one glycerol molecule and three fatty acid molecules

All of the above

15.

Q- Starch and cellulose are the compounds of many units of…

amino acids

glycerol

simple sugar

fatty acids

16.

Q- The example of scleraprotein are…

keratin

fibroin

Both keratin and fibroin

None of these

17.

Q- Lactose is a disaccharlde of….

glucose and fructose

glucose and glucose

glucose and galactose

galactose and galactose

18.

Q-15 Which of the following statements are correct?

(i) Monosaccharides are the simplest carbohydrates.

(ii) Hydrolysis of oligosaccharides gives three to nine monosaccharide units.

(III) Hydrolysis of polysaccharides give 10-15 monosaccharide units.

(iv) Polysaccharides, on hydrolysis yield many oligosaccharide units.

Choose the correct option.

Only (i)

Only (iii)

(i) and (ii)

(i) and (iii)

19.

Q- Which of the following is a saturated fatty acid?

Stearic acid

Oleic acid

Linoleic acid

Linolenic acid

20.

Q- The most abundant protein in the whole of the biosphere is …

collagen

insulin

trypsin

RuBisCO

21.

Q- The contractile protein in the human body is…

actin

myosin

tubulin

All of these

22.

Q. Which of the following is a dlsaccharide?

Ribose

Cellulose

Maltose

Glucose

23.

Q- A peptide chain assumes secondary structure through the formation of…

interchain ionic bond

interchain hydrogen bond

peptide chain with peptide bonds only is a secondary structure itself

None of the above

24.

Q- Which one is a homopolysaccharide?

Starch

Cellulose

Glycogen and inulin

All of these

25.

Q-Which of the following are water soluble protein?

Globulins

Albumins

Albuminoids

Prolamins

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Quiz-MCQ-1-Chapter-1-Biomolecule-Biology-Class-XI-MHTCET

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