Generate Quiz 6A8FF8A111749

1 / 30

Which class of molecule is the major component of cell membrane?

FMDC 2015
Biology
Biological Molecules
Elimination Tool:

A) Phospholipid

B) Cellulose

C) Wax

D) Triglyceride

2 / 30

Ribose is a monosaccharide constituent of many ____.

PMC Practice 4
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Enzymes

B) Coenzymes

C) Vitamins

D) Antibiotics

3 / 30

A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is

Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) 120

B) 240

C) 60

D) 480.

4 / 30

If water has a high latent heat of vaporization, how could this property of water be helpful to plants and animals?

UHS 2019
Biology
Biological Molecules
Water
Elimination Tool:

A) With the release of large amount of water, a small amount of heat loss can take place.

B) With the release of small amount of water vapours, a great amount of heat loss can take place.

C) It will keep their temperature very high.

D) No cooling effect, with the release of even a large amount of water vapours.

5 / 30

The simplest monosaccharide containing keto group is

UHS 2014
Biology
Biological Molecules
Elimination Tool:

A) Glyceraldehyde

B) Dihydroxyacetone

C) Glucose

D) Ribose

6 / 30

A peptide bond is represented by ?

PMC Practice 32
Biology
Biological Molecules
Proteins
Elimination Tool:

A) C-N link

B) C-O link

C) N-H link

D) C-H link

7 / 30

How many Hydrogen bonds are there in a Cytosine-Guanine pair?

PMC Practice 10
Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) 0

B) 1

C) 2

D) 3

8 / 30

Which of the following sugar is mainly present in human blood?

Biology
Biological Molecules
Elimination Tool:

A) Glucose

B) Sucrose

C) Fructose

D) Mannose

9 / 30

Lipids show solubility in which of the following solvents?

PMC Sample 3
Biology
Biological Molecules
Lipids
Elimination Tool:

A) water

B) ether

C) inorganic solvents

D) all solvents

10 / 30

Which of the following is a complex of globular protein with non-proteinaceous material?

Biology
Biological Molecules
Elimination Tool:

A) Collagen

B) Albumin

C) Fibrinogen

D) Haemoglobin

11 / 30

Which of the following substance is most favourable to form the structural components of biological membranes?

PMC Practice 19
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Hydrophilic Carbohydrates

B) Hydrophobic fats

C) Both a and b

D) None of these

12 / 30

In a disaccharide, if carbon atoms are 12 then how many OH groups will be present?

Biology
Biological Molecules
Elimination Tool:

A) 11

B) 8

C) 12

D) 14

13 / 30

Which one of the following is a polymer of alpha-d glucose?

2022 PMC Test 1
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Cellulose

B) Glycogen

C) Insulin

D) Chitin

14 / 30

Which of the following elements are not found in carbohydrates?

PMC Practice 11
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) C

B) H

C) N

D) O

15 / 30

If water has a high latent heat of vaporization, how could this property of water be helpful to plants and animals?

UHS 2019
Biology
Biological Molecules
Water
Elimination Tool:

A) With the release of large amount of water, a small amount of heat loss can take place.

B) With the release of small amount of water vapours, a great amount of heat loss can take place.

C) It will keep their temperature very high.

D) No cooling effect, with the release of even a large amount of water vapours.

16 / 30

Chitin is a

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Lipoprotein

B) Polysaccharides

C) Glycoprotein

D) Phospholipids

17 / 30

Which of the following carbons are present outside the ring of fructose?

Biology
Biological Molecules
Elimination Tool:

A) Is carbon & 2nd carbon

B) 15 carbon and 5th carbon

C) Only Is carbon

D) 1s carbon and 6th carbon

18 / 30

Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

NUMS 2019 Cancelled
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Cx(H2O)x

B) C6H12O6

C) Cx(H2O)y

D) Cx(HO)y

19 / 30

Among the following, which acid is an unsaturated acid:

UHS 2017 Reconduct
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Butyric Acid

B) Oleic Acid

C) Palmitic Acid

D) Both Oleic Acid and Palmitic Acid

20 / 30

Identify the protein, which cannot be crystallized?

Biology
Biological Molecules
Elimination Tool:

A) Antibodies

B) Fibrin

C) Haemoglobin

D) Enzymes

21 / 30

What are the distinguishing features of fibrous proteins?

PMC Practice 6
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Non-crystalline

B) Elastic

C) Disorganized

D) Both A and B

22 / 30

Antibodies are actually:

Biology
Biological Molecules
Proteins
Elimination Tool:

A) Globular proteins

B) Glycoproteins

C) Fibrous proteins

D) Both Options A and B are correct

23 / 30

Muscle haemoglobin possesses:

Biology
Biological Molecules
Elimination Tool:

A) Primary structure

B) Secondary structure

C) Tertiary structure

D) Quaternary structure

24 / 30

Water acts as a universal solvent because of:

PMC 2020
Biology
Biological Molecules
Water
Elimination Tool:

A) Heat of vaporization

B) Hydrogen bonding

C) High polarity

D) Cohesion and adhesion

25 / 30

A globular protein consisting of more than one polypeptide chains belongs to:

Biology
Biological Molecules
Elimination Tool:

A) Primary structure

B) Secondary structure

C) Tertiary structure

D) Quaternary structure

26 / 30

Which property of water helps to maintain the integrity of lipid-containing membranes?

PMC 2020
Biology
Plasma Membrane
Biological Molecules
Elimination Tool:

A) Specific Heat Capacity

B) Hydrogen Bonding

C) Cohesion and Adhesion

D) Hydrophobic exclusion

27 / 30

Esters of fatty acids with higher alcohols other than glycerol are called ___.

PMC Practice 9
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Waxes

B) Fats

C) Both A and B

D) None of these

28 / 30

Ribose sugar that is the main part of RNA is a type of _____ sugar.

NUMS 2019 Reconduct
Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) Triose

B) Tetrose

C) Pentose

D) Hexose

29 / 30

Which of the following components is less resistant to decay?

Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Lignin

B) Starch

C) Chitin

D) Cellulose

30 / 30

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NTS 2012
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Four

B) Three

C) Two

D) Five

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