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Biology Past Questions and Answers

Jamb Biology Questions

Question 41:

When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it

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A Remains unchanged
B Takes up water an burst
C Absorbs a little water
D Loses water and shrivels
E Becomes turgid

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Question 42:

Urea is produced in the

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A Liver
B Bladder
C Spleen
D Kidneys
E Gall bladder

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Question 43:

What is the genetic ratio of the F₂ generation if members of F generation are allowed to self-pollinate?

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A 1 tall : 3 short
B 3 tall : 1 short
C 1 tall : 1 short
D 4 short : 0 tall
E 4 tall : 0 short

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Question 44:

The path taken by glucose from the ileum to the heart is

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A Ileum â†’hepatic portal vein â†’hepatic artery â†’ vena cava â†’ heart
B Ileum → hepatic portal artery →hepatic artery → vena cava → heart
C Ileum â†’ hepatic portal vein â†’ vena cava â†’ heart
D Ileum â†’ hepatic vein â†’ vena cava â†’ heart
E Ileum â†’ hepatic portal vein â†’ hepatic vein â†’ vena cava â†’ heart

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Question 45:

Which of the following features can be used to identify the figure above

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A Position of 7
B Its circular nature
C Number of 5
D Presence of 3
E Width of 2

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