Biology WAEC

Which of the following environmental conditions is ideal for plant cells to remain turgid?

A. Hot, dry weather B. Windy weather C. Cold, dry weather D. Cool, humid weather Correct Answer: Option D D.…

4 years ago

During the process of osmosis a semi-permeable membrane allows?

A. only solute molecules to pass through it B. both solute and solvent molecules to pass through it C. only…

4 years ago

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as?

A. crenation B. plasmolysis C. turgidity D. haemolysis Correct Answer: Option D D. haemolysis

4 years ago

The folded portion of mitochondrion is called?

A. cristae B. cell membrane C. nucleolus D. partition Correct Answer: Option A A. cristae

4 years ago

Which of the following parts of a cell is not an organelle?

A. Food vacuole B. Mitochondrion C. Cell wall D. Nucleus Correct Answer: Option A A. Food vacuole

4 years ago

The structure used for movement in Amoeba is?

A. cilia B. pseudopodia C. flagella D. endoplasm Correct Answer: Option B B. pseudopodia

4 years ago

Which of the following statements is correct about organs?

A. They are composed of specialized cells B. They perform a certain overall function C. They are not found in…

4 years ago

The epidermis of the mammalian skin is an example of tissue because the cells?

A. prevent light from passing through them B. have a similar structure and function C. prevent excessive loss of water…

4 years ago

Which of these organelles is common to both plant and animal cells?

A. Chloroplast B. Centriole C. Mitochondrion D. Pyrenoid Correct Answer: Option C C. Mitochondrion

4 years ago

The following life processes are common to both plants and animals except?

A. respiration B. growth C. reproduction D. photosynthesis Correct Answer: Option D D. photosynthesis

4 years ago