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Biology Past Questions and Answers

Jamb Biology Questions

Question 41:

The movement of sugars from the leaf to other parts of plant is?

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A Guttation
B Transpiration
C Transportation
D Translocation

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Question 42:

Gaseous exchange in annelids is more advanced and efficient compared to flatworms because?

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A The cells of their epidermis have no blood capillaries
B They have well developed respiratory structures
C Their cylindrical shape gives high surface area to volume ratio
D Their surface area to volume ratio is very low

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Question 43:

The structure that joins the two strands of a chromosome together is the?

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A Spindle
B Cellulose
C Centromere
D Chromatid

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Question 44:

When a colour blind woman marries a normal man, what is the probability of their son being colour blind?

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A 25%
B 100%
C 50%
D 0%

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