Biology WAEC

Which of the following structures is not present in the vascular bundles of a dicot stem?

A. Xylem B. Phloem C. lntra-fascicular cambium D. Inter-fascicular cambium Correct Answer: Option C C. lntra-fascicular cambium

4 years ago

The following are useful effect of micro-organisms except?

A. production of vaccines B. curing of tobacco C. tanning of leather D. decay of meat Correct Answer: Option D…

4 years ago

Which of the following plant parts does not perform supportive function?

A. Parenchyma, xylem and collenchyma B. Epidermis, sclerenchyma and xylem C. Parenchyma, collenchyma and sclerenchyma D. Sclerenchyma, xylem and collenchyma…

4 years ago

Which of the following organisms has the largest surface-area-to-volume ratio?

A. Man B. Earthworm C. Amoeba D. Grasshopper Correct Answer: Option C C. Amoeba

4 years ago

The following are the functions of supporting tissues in plant except?

A. rigidity B. flexibility C. strengthening D. secretory Correct Answer: Option D D. secretory

4 years ago

In which of the following organisms is ammonia excreted as a waste product?

A. Man B. Bird C. Amoeba D. Spirogyra Correct Answer: Option C C. Amoeba

4 years ago

Which of the following statements is incorrect about diffusion?

A. It involves degradation of soluble particles in solvents B. it occurs mainly in gaseous and liquid media C. No…

4 years ago

The presence of a large member of mitochondria in a cell indicates that?

A. it has little cytoplasmic content B. the cell is very active C. the cell is dormant D. the respiration…

4 years ago

The plant cell mostly stores food as?

A. glycogen B. auxins C. homtones D. starch Correct Answer: Option D D. starch

4 years ago

All the following organelles have membranes except?

A. nucleus B. vacuole C. cell membrane D. cell wall Correct Answer: Option C C. cell membrane

4 years ago
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