Bio (1st Year) MCQ's

The total weight of a mammalian cell, DNA forms

A) 0.25%
B) 1.1%
C) 1%
D) 6%

The most abundant compound in the bodies of all the organism is the:

A) Carbohydrates
B) Lipid
C) Protein
D) Water

The total number of amino acid comprising a molecule of insulin is"

A) 21
B) 30
C) 60
D) 51

The number of proteins in the human body is :

A) 10000
B) 15000
C) 20000
D) 25000

Which of the following is not a fibrous protein?

A) Silk
B) Fibrin
C) Enzyme
D) Keratin

Peptide bond is a :

A) C-N link
B) N-H link
C) C-H link
D) C-O link

Human brain cells contain ....... %water .

A) 15
B) 90
C) 85
D) 70

A set of related genera would be grouped into:

A) A class
B) A family
C) An order
D) A species

The tail of bacteriophage releases the enzyme to dissolve a portion of the bacterial cell wall.

A) Erypsin
B) Ligase
C) Lysozyme
D) Lipase

Cells in .......... system can also be infected by HIV.

A) Respiratory
B) Central Nervous
C) Circulatory
D) Digestive

About 25 minutes after initial infection, new bacteriophages formed are approximately:

A) 200
B) 100
C) 300
D) 600

The capsomeres present in the capsid of adenovirus are:

A) 352
B) 200
C) 100
D) 252

Mumps and Measles viruses belong to group:

A) Paravirus
B) Myxovirus
C) Parvovirus
D) Paramyxoviruses

The volume of the phage is as compared to the host is about:

A) 1/1000
B) 1/100
C) 1/10000
D) 1/10

Pig could be the source of infection of :

A) Hepatitis D
B) Hepatitis A
C) Hepatitis B
D) Hepatitis E

Which one of the following is serum hepatitis :

A) Hepatitis A
B) Hepatitis B
C) Hepatitis C
D) Hepatitis D