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Biology Past Questions and Answers

Waec Biology Questions

Question 736:

Turgidity in the cell of plant does not easily lead to bursting of the cell because the

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A Cell membrane can resist the turgidity
B Large vacuole contained in the cell, can continuously take in water
C Cellulose cell wall can resist the turgidity
D Cytoplasm is jelly-like

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Question 737:

Magnesium is needed by plants for

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A Protein synthesis
B Formation of cell membrane
C Activation of enzymes
D Formation of chlorophyll

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Question 738:

Which of the following is not a micronutrient?

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A Manganese
B Copper
C Potassium
D Zinc

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Question 739:

Loam is the best type of soil for crop production because

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A It has a high percentage of clay which prevents leaching
B It has high humus content
C It is porous and has good water retention capacity
D Gravels which obstruct implements are absent from it

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Question 740:

The mineral needed for the formation of haemoglobin is

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A Magnesium
B Iron
C Phosphorus
D Calcium

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