Question # 1

The number of ribs of chest wall is:

Fourteen pairs

Twelve pairs

Ten pairs

Thirteen pairs

Pathogens contain special proteins called.

Antigens

Antibodies

Antibiotics

Antiseptics

International breeding between individuals for certain traits, or combination of traits is called as.

Variations

Evolution

Natural selection

Artificial selection

The sensory part of ear is:

Succulus

Stapes

Vestibule

Cochlea

Percentage of CO₂ in exhaled are during breathing is:

16%

4%

79%

0.04%

Pollination is the transfer of pollens from:

Anther to sigma

Stigma to anther

Sepal to petal

Petal to sepal

Biology Life Science Test Easy Mode MCQs With Answers