Biology MCQs

Question 1

Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is

Accepted Answer

Lymphocyte

Answer

Granulocyte

Answer

Erythrocyte (red blood cell)

Answer

Platelet

Question 2

As an infant, the ability to produce antibodies is

Accepted Answer

Limited

Answer

About 80% of that of an adult

Answer

Nonexistent

Answer

The same as an adult

Question 3

Antigen is a substance which

Accepted Answer

Triggers the immune system

Answer

Lowers body temperature

Answer

Destroys harmful bacteria

Answer

Is used as an antidote to poison

Question 4

AIDS is caused by the organisms which are

Accepted Answer

Viruses (HIV)

Answer

Bacteria

Answer

Fungi

Answer

ProtoZoa

Question 5

Innate immune system defenses include

Accepted Answer

Phagocytosis

Answer

B cells

Answer

Plasma cells

Answer

T cells

Question 6

A vehicle borne transmitted diseases are

Accepted Answer

Plague and Malaria

Answer

Chicken Pox and Tetanus

Answer

Mumps and Common cold

Answer

Eye infection and influenza

Question 7

Plasmodium is a

Accepted Answer

Parasite

Answer

Symbiont

Answer

Saprophyte

Answer

All of the above

Question 8

Study of the effects of toxic chemical substance on animal and plant is

Accepted Answer

Toxicology

Answer

Microbiology

Answer

Limnology

Answer

None of these

Question 9

Main function of antibodies is against

Accepted Answer

infection

Answer

Unfavourable environment

Answer

During deficiency of nutrient

Answer

None of the above