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Biology Past Questions and Answers

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Waec Biology Questions

Question 946:

A serious disadvantage of complexity in higher organisms is

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A A high demand for food and energy
B Ability to function in many specialized roles
C Little amount of energy dissipated in functioning
D Specialization of parts of the body

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Question 947:

Which of these organs can be considered vestigial in humans but functional in other mammals? The

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A Liver
B Appendix
C Rectum
D Stomach

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Question 948:

Which of the following pairs of organisms are photosynthetic?

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A Amoeba and Paramecium
B Volvox and Rhizopus
C Chlamydomonas and Euglena
D Nostoc and Plasmodium

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Question 949:

Which of the following pairs of organisms exist as colonies?

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A Obelia and Euglena
B Pandorina and Volvox
C Chlamydomonas and Amoeba
D Hydra and Spirogyra

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Question 950:

Which of the following Best explains why It is difficult to see clearly in dim light?

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A Initially the eyes cannot operate when the light is dim
B The choroid reflect all the light that enters the eye
C Too little light reaches the retina and so the cones may not be stimulated at all
D Dim light causes the pupil to close up so that not much light enters the eye

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