Generate Quiz 69E9D51209DE6

1 / 30

A long polypeptide that is cut up to generate several small proteins is:

PMC Practice 5
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Polyprotein

B) Polymerase

C) Polyisomerase

D) None of these options is correct

2 / 30

The compounds which on hydrolysis yield Re polyhydroxy aldehyde or ketone subunits are:

Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Lipids

B) Proteins

C) Polynucleotides

D) Carbohydrates

3 / 30

Peptides are intermediate in the formation of______

PMC Practice 32
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Lipids

B) Amino acids

C) Proteins

D) DNA

4 / 30

Haemoglobin exhibits:

Biology
Biological Molecules
Proteins
Elimination Tool:

A) Secondary Structure

B) Primary Structure

C) Quaternary Structure

D) Tertiary Structure

5 / 30

Which one of the following statements is wrong?

PMC Practice 10
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Uracil is a pyrimidine

B) Glycine is a sulfur-containing amino acid

C) Sucrose is a disaccharide

D) Cellulose is a polysaccharide

6 / 30

Give the general formula of monosaccharides and polysaccharides.

UHS 2017 Reconduct
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) (CH2O)n and Cn(H2O)2n

B) (CH2O)2n and Cn(H2O)n

C) (CH2O)n and Cn(H2O)n-1

D) (CH2O)n-1 and Cn(H2O)n+1

7 / 30

How many peptide bonds are present in an insulin molecule?

Biology
Biological Molecules
Elimination Tool:

A) 49

B) 50

C) 51

D) 48

8 / 30

Vegetative source of protein is:

PMC 2021 Tested
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Soya bean

B) Plant

C) Egg

D) Meat

9 / 30

Which of the following combinations of base pair is absent in DNA?

Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) A-T

B) C-G

C) A-U

D) T-A

10 / 30

The diagram shows a molecule.

Which substance might include the above molecule?

NTS 2015 DUHS and JSMU
Biology
Biological Molecules
Proteins
Elimination Tool:

A) Cellulose

B) Serine

C) Glucose

D) Alanine

11 / 30

Which of the following is pure form of cellulose?

PMC Practice 20
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Silk

B) Wool

C) Cotton

D) Paper

12 / 30

Peptides are intermediate substances in the formation of ______.

Biology
PMC Practice 15
Biological Molecules
Proteins
Elimination Tool:

A) Lipids

B) DNA

C) RNA

D) Protein

13 / 30

Which of the following is non-reducing disaccharide sugar?

Biology
Biological Molecules
Elimination Tool:

A) Mannose

B) Maltose

C) Sucrose

D) Lactose

14 / 30

What makes the protective coatings around the plant organs?

PMC Sample 1
Biology
Biological Molecules
Lipids
Elimination Tool:

A) lipids

B) waxes

C) glycerols

D) glycolipids

15 / 30

Which one of the following is found in both messenger RNA and DNA of a mammalian cell?

PMC 2020
Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) Double helical structure

B) Ribose sugar

C) Thymine

D) Sugar – phosphate backbone

16 / 30

All of the following are examples of fibrous proteins except:

Biology
Biological Molecules
Elimination Tool:

A) Silk fiber

B) Keratin

C) Myoglobin

D) Fibrin

17 / 30

What are the total number of amino acids found in a haemoglobin molecule?

PMC Practice 32
Biology
Biological Molecules
Proteins
Elimination Tool:

A) 575

B) 576

C) 574

D) 573

18 / 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.

19 / 30

Which of the following properties of amino acids is affected by a change in pH?

Biology
Biological Molecules
Elimination Tool:

A) Tertiary structure

B) Primary structure

C) Secondary structure

D) Net charge

20 / 30

The glycerols are considered backbone of

PMC Practice 29
Biology
Biological Molecules
Lipids
Elimination Tool:

A) DNA

B) RNA

C) ATP

D) Triglycerides

21 / 30

_______ is the storage form of carbohydrate in animals and humans which is equivalent to the _____ in plants.

NTS 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Glycogen, cellulose

B) Starch. cellulose.

C) Glycogen, starch

D) Starch, glycogen

22 / 30

Hydrolysis of fats by alkali is called:

PMC Practice 13
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Saponification number

B) Saponification

C) Both Options A and B are correct

D) None of these options are correct

23 / 30

ATP is a

Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) nucleotide

B) nucleoside

C) nucleic acid

D) vitamin.

24 / 30

Which lipid is hydrophilic and soluble?

UHS 2018
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Triglycerides

B) Phospholipids

C) Waxes

D) Terpenoids

25 / 30

_________ is stored in animal cells

ETEA 2019
Biology
Biological Molecules
Carbohydrates
Elimination Tool:

A) Starch

B) Cellulose

C) Sucrose

D) Glycogen

26 / 30

A compound produced as a result of a chemical reaction of an alcohol with an acid in which water molecule is released is called___________.

PMC Practice 14
Biology
Biological Molecules
Lipids
Elimination Tool:

A) Monosaccharide

B) Fatty acid

C) Nucleic acid

D) Neutral lipid

27 / 30

Which of the following fatty acids is least likely to be found in waxes?

Biology
Biological Molecules
Elimination Tool:

A) Stearic acid

B) Acetic acid

C) Oleic acid

D) Palmitic acid

28 / 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.

29 / 30

In double helix of DNA, the two DNA strands are

Biology
Biological Molecules
Nucleic Acids
Elimination Tool:

A) coiled around a common axis

B) coiled around each other

C) coiled differently

D) coiled over protein sheath

30 / 30

Among the most abundant biomolecules, _____ is the most abundant one on earth.

NUMS 2016
Chemistry
Biological Molecules
Carbohydrates
Elimination Tool:

A) Proteins

B) Carbohydrates

C) Lipids

D) Vitamins

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