Biology Mcqs

Immunization by vaccination was first introduced by?

• (A)  Fleming in 1945
• (B)  Florey & Chain in 1975
• (C)  Flore & Chain in 1795
• (D)  Edward Jenner in 1795

Answer

Submitted By :Ali Uppal

The first antibiotic to be discovered was_____________?

• (A)  Penicillin
• (B)  Cephalosporin
• (C)  Amino glycosides
• (D)  Erythromycin

Answer

Submitted By :Ali Uppal

Biologist ‘Grass’ discovered the life cycle of plasmodium in_______?

• (A)  1896
• (B)  1897
• (C)  1898
• (D)  1899

Answer

Submitted By :Ali Uppal

Malaria is associated with___________?

• (A)  Culex Mosquito
• (B)  Culiesta Mosquito
• (C)  Anopheles Mosquito
• (D)  Culex & Anopheles Mosquito

Answer

Submitted By :Ali Uppal

Steps Involved in scientific method are ?

• (A)  Hypothesis –>Accumulated data –> observation & experimentation –> conclusion
• (B)  New data —> Conclusion —> Accumulated data —> Observation & experimentation
• (C)  Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion
• (D)  Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion

Answer

Submitted By :Ali Uppal

Robert Hooke discovered_____________?

• (A)  Nucleus
• (B)  Mitochondria
• (C)  Cell
• (D)  DNA

Answer

Submitted By :Ali Uppal

On the basis of collected facts and figures, a scientist formulates a factitive statement called:

• (A)  Observation
• (B)  Research work
• (C)  Hypothesis
• (D)  Inductive Reasoning

Answer

Submitted By :Ali Uppal

Members of one species inhabiting the same are form__________?

• (A)  Species
• (B)  Community
• (C)  Ecosystem
• (D)  Population

Answer

Submitted By :Ali Uppal

A group of very similar inter breeding organisms constitutes?

• (A)  Biosphere
• (B)  Ecosystem
• (C)  Population
• (D)  Species

Answer

Submitted By :Ali Uppal

Which of the following is an example of “molecule”?

• (A)  Chloroplast
• (B)  A Nerve Cell
• (C)  DNA
• (D)  Hydrogen

Answer

Submitted By :Ali Uppal