Biology 2019 JAMB Past Questions

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The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures and functions among organism is referred to as

A. Specification
B. Inorganic Evolution
C. Evolution
D. Organic Evolution

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The specific portion of a habitat which is occupied by a particular species is referred to as

A. Ecological population
B. Ecological niche
C. Biotic community
D. Ecosystem

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In plants, respiration occurs in

A. The stomata and lenticel only
B. Mesophyll cells only
C. All living cells
D. The root only

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Which of the following is an example of discontinuous variation?

A. The range in height of a pea plant from 30cm to 50cm
B. Offsprings including two male cats and three female cats
C. The colour of pear plants grown in the dark
D. The adult body weight ranging from 50kg to 95kg

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Which of the following type of soil has the highest water retaining capacity?

A. Loam
B. Laterite
C. Clay
D. Sand

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Biology 2019 JAMB Past Questions

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