Biology WAEC

Which of the following explains the term pyramid of numbers?

A. The number of organisms in a trophic level B. The relationship between plants in different trophic levels C. The…

4 years ago

The following are features of Northern Guinea Savanna except?

A. presence of tall trees with thick bark B. bare soil with very few trees C. presence of fire-resistant trees…

4 years ago

Which of the following best describes a marine habitat? A large body of water A

A. which has no distinctive colour or taste B. with high concentration of salt C. with tittle suspended materials D.…

4 years ago

Which of the following organs is associated with deamination of proteins?

A. Lung B. Stomach C. Kidney D. Liver E. Heart Correct Answer: Option D - Liver

4 years ago

Which of the following structures functions as an excretory, system found in flatworm?

A. Contractile vacuole B. Nephridium C. Flame cell D. Malplghlan tubule E. Kidney Correct Answer: Option C - Flame cell

4 years ago

The respiratory organ found in the cockroach is the?

A. air sac B. trachea C. lung book D. lung E. gill Correct Answer: Option B - trachea

4 years ago

The conditions that ensure successful exchange of gases in multicellular organisms include the following except?

A. concentration gradient across the respiratory surface B. concentration gradient across the respiratory surface B. presence of thin membrane as…

4 years ago

Which of the following blood vessels carries oxygenated blood into the heart?

A. Pulmonary vein B. Anterior vena cava C. Pulmonary artery D. Aorta E. Posterior vena cava Correct Answer: Option A…

4 years ago

The process whereby microorganisms can convert atmospheric nitrogen into nitrogenous compound is known as?

A. nitrogen cycle B. nitrogen fixation C. denitrification D. putrefaction E. decomposition Correct Answer: Option B - nitrogen fixation

4 years ago