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BIOLOGY-11-CHAPTER -2-BIOLOGICAL MOLECULES. TOP-MCQS,.

 

BIOLOGY -11-CHAPTER-2-TOP-MCQ,S.

FOR COMPETITIVE EXAMINATION.

1.All of the following are disaccharide except:

A).Sucrose.

B).Lactose.

C).Galactose.

D).Maltose.

2.which one of the following contain nitrogen.

A).Glucose.

B).Sucrase.

C).lactose..

D).None of the.

3.The element that help in protein synthesis is:

A).Nitrogen

B).Calcium.

C).Magnesium.

D).Phosphorus.

3.The Maximum number of amino acid that can make million of protein is:

A).20.

B).30

C).40

D).500.

4.The peptide bond formed by combination of three amino acid is called:

A).Dipeptide bond.

B).Tripeptide bond.

C).Tetrapeptide bond

D).Amino can not formed peptide bond.

5.All of the following are protein in nature except:

A).Insulin.

B).pepsin.

C).Heparin.

D).Haemoglobin.

6.The most abundant organic compound present in our body are:

A).Water.

B).Protein

C).Carbohydrates.

D).Fats.

7.DNA is more or less present in all of the following except:

A).Mitochondria.

B).Nucleus.

C).Cytosol

D).Chloroplast.

8.Keratin is a type of protein found in;

A).Silk fibre.

B).Nail

C).Muscles.

D).Blood cell.

9.Gycosidic bond are formed among the molecules of:

A).Carbohydrates.

B).Protein.

C).Fats.

D).DNA.

10.Which of the following has the greatest number of glyosidic bonds.

A).Maltose.

B).Sucrose.

C).Amylose.

D).Lactose.

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