Biology WAEC

Carbondioxide enters the stomata during photosynthesis through the process known as?

A. osmosis B. active transport C. diffusion D. inhalation E. ventilation Correct Answer: Option C - diffusion

4 years ago

One of the differences between plant and animal cells is that in plants?

A. cells have less distinct outline, but animal cells have distinct outline B. ell wall is made of cellulose, but…

4 years ago

Which of the following organisms is one-celled and free-living?

A. Volvox B. Spirogyra C. Rhizopus D. Chlamydomonas E. Hydra Correct Answer: Option D - Chlamydomonas

4 years ago

Which of these could be regarded as an advantage of complexity in higher organisms?

A. there is no cellular differentiation B. Cellular differentiation leads to loss of independence of the cells C. Complexity stops…

4 years ago

At what level of organization is Amoeba?

A. Tissue B. Organ C. Cellular D. System E. Filament Correct Answer: Option C - Cellular

4 years ago

Which of the following fields of study may not yield strong evidence of evolution?

A. Fossil B. Histology C. Ecology D. Genetics E. Cytology Correct Answer: Option C - Ecology

4 years ago

Which of the statement(s) is/are related to the Darwin’s theory of evolution?

The statements below are about evolution of species I. Members of a species vary ll. Organisms produce many offspring lll.…

4 years ago

The phenomenon whereby some organisms get established in an environment after struggling for existence by taking advantage of some special features possessed by the organism is called

A. partial selection B. artificial selection C. natural selection D. mutation E. competition Correct Answer: Option C - natural selection

4 years ago

Which of the following is a social insect?

A. Mosquito B. Butterfly C. Honey bee D. Grasshopper E. Cockroach Correct Answer: Option C - Honey bee

4 years ago

The wings of bats and birds, the flippers of whale and the fins of fish are examples of?

A. adaptive radiation B. vestigial organs C. continuous variation D. convergent evolution E. divergent evolution. Correct Answer: Option E -…

4 years ago