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Biology Past Questions and Answers

Waec Biology Questions

Question 171:

Puddles,ponds, rivers, lakes, seas and ocean are grouped together as

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A Ecosystem
B Biosphere
C Terrestrial habitat
D Marine habitat
E Aquatic habitat

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Question 172:

Which of the following would be the primary producer in a food chain?

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A Saprophytes
B Herbivores
C Carnivores
D Green plants
E Parasites

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Question 173:

fewer number of trees is characteristic of the Savanna zones of Nigeria because

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A There is too much sunlight
B There is limited amount of rainfall
C They are usually exposed to grazing animals
D They are covered by high mountains
E The farmers always engage in bush-burning

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Question 174:

The number of individuals in a habitat in relation to the unit space available to each organism is referred to as the

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A Birth rate
B Density
C Mortality
D Frequency
E Dispersion

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Question 175:

which of the following will be the effect of waterlogged top soil on the roots of plants?

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A The waterlogged soil will stimulate rapid growth of roots
B There will be abundant supply of air for the growth of roots
C The roots will absorb water i rapidly
D There willl be an accumulation of plant nutrients
E The roots will be starved of air

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