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Biology Past Questions and Answers

Jamb Biology Questions

Question 46:

The host of liver flake are ______?

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A Pig and snail
B Pig and sheep
C Sheep and snail
D Pig

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Question 47:

Use the diagram to answer the question that follows
The part labelled 1 is the ________

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A Carpel
B Sepal
C Petal
D Stamen

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Question 48:

Which of the following factors can reduce the population of a community?

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A Immigration
B Edaphic
C Predation
D Mutualism

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Question 49:

In mosses the structure which performs the function of water absorption is the _________?

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A Root hairs
B Rhizoids
C Capsule
D Hyphae

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Question 50:

How does an enzyme affect the rate of a reaction?

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A It lowers the activation energy of the reaction, increasing the reaction rate.
B It raises the activation energy of the reaction, decreasing the reaction rate.
C It lowers the activation energy of the reaction, decreasing the reaction rate.
D It raises the activation energy of the reaction, increasing the reaction rate.

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