Biology WAEC

Which of the following essential substances is contained in vegetables?

A. Chlorophyll B. Glucose C. Mineral salts D. Carbon dioxide Correct Answer: Option C D. Carbon dioxide

4 years ago

Which of the following organisms exhibits extracellular digestion?

A. Moulds B. Green plants C. Algae D. Bryophytes Correct Answer: Option A A. Moulds

4 years ago

Which of the following is considered to be the first product of photosynthesis?

A. Protein B. Energized chlorophyll C. Hydroxyl ions D. Starch Correct Answer: Option C C. Hydroxyl ions

4 years ago

Which of the following groups of compounds are products of the light stage of photosynthesis?

I. Ribulose bi-phosphate (RuBP) II. Nicotine amide di-phosphorous (NADPH2) III. Oxygen (O2) IV. Adenosine Triphosphate (ATP) A. I,II and lll…

4 years ago

In the test for starch, the leaf is first placed in boiling water to?

A. remove the chlorophyll B. dissolved the waxy cuticle C. kill and make the leaf permeable D. turn it blue-black…

4 years ago

Which of the following statements about water in humans is not correct? it

A. plays an important role in temperature regulation B. acts as solvent for substances conveyed around the body C. plays…

4 years ago

The function of the amniotic fluid in humans is to?

A. protect the foetus against shocks B. remove waste products from the foetus C. supply food and water to foetus…

4 years ago

Placentation of plants is best described as the?

A. arrangement of ovules in the ovary B. arrangement of fruits on the branches C. development of ovules in the…

4 years ago

The layer of light-sensitive cells in the human eye is called the?

A. cornea B. sclerotic layer C. retina D. conjunctiva Correct Answer: Option C C. retina

4 years ago

Which of the following is the function of the iris of the mammalian eye?

A. closes and opens the eye B. Absorbs dangerous rays from sunlight C. regulates the amount of light entering the…

4 years ago