Biology WAEC

The experiment below is used to demonstrate the process of?

A. transpiration B. water culture C. diffusion D. osmosis Correct Answer: Option D D. osmosis

4 years ago

Two organelles directly involved in mitotic cell division are?

A. nucleus and mitochondrion B. ribosome and nucleus. C. centriole and Golgi apparatus D. nucleus and centriole Correct Answer: Option…

4 years ago

The curvature movement of plants in response to the stimulus of water is called?

A. hydrotropism B. geotropism C. phototropism D. thigmotropism Correct Answer: Option A A. hydrotropism

4 years ago

Red blood cells were found to have burst open after being placed in distilled water for an hour. This phenomenon is known as?

A. plasmolysis B. diffusion C. haemolysis D. wilting Correct Answer: Option C C. haemolysis

4 years ago

A group of closely related organisms capable of interbreeding to produce fertile offspring are known as members of a?

A. kingdom B. class C. family D. species Correct Answer: Option D D. species

4 years ago

The cytoplasm of the cell is considered a very important component because it?

A. regulates the amount of energy in the cell B. suspends all cell organelles. C. is the outermost part of…

4 years ago

In plant cells the role of the membrane is played by the?

A. nucleolus B. cell wall C. cytoplasm D. mitochondrion Correct Answer: Option B B. cell wall

4 years ago

Viruses are economically important because they?

A. do not have cell structures B. can only reproduce inside living cells. C. cause diseases in plants and animals…

4 years ago

A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were?

A. able to carry out holozoic nutrition. B. able to carry out photosynthesis using carbon dioxide in the pond water…

4 years ago

A flowering plant having both the male and female flowers on the same plant is said to be?

A. Regular B. Irregular C. Monoecious D. Dioecious Correct Answer: Option C C. Monoecious Explanation Flowering plants having both the…

5 years ago