Jamb Biology 2017 Past Questions and Answers

Question 46:

• JAMB 2017

The host of liver flake are ______?

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

Question 47:

• JAMB 2017

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

A. Carpel
B. Sepal
C. Petal
D. Stamen

Question 48:

• JAMB 2017

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

A. Immigration
B. Edaphic
C. Predation
D. Mutualism

Question 49:

• JAMB 2017

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

A. Root hairs
B. Rhizoids
C. Capsule
D. Hyphae

Question 50:

• JAMB 2017

How does an enzyme affect the rate of a reaction?

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.