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Biology Past Questions and Answers

Jamb Biology Questions

Question 51:

The hormones secreted by pancreas serves to

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A Facilitate the development of facial hairs
B Raise the level of calcium in the blood
C Lower blood glucose level
D Make the body react to emergencies

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Question 52:

Blood circulation in a mammal is said to be double because

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A It passes twice through the heart in a complete circuit
B It moves in both arteries and veins
C It circulates in both the hands and other organs
D The heart contains auricles and ventricles

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Question 53:

Examples of animals with mammary glands include the following except

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A Cow
B Goat
C Pig
D Hen

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Question 54:

The hygrometer is used for measuring

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A Relative Humidity
B Specific Gravity
C Rainfall
D Salinity

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Question 55:

Mineral salts can be absorbed into roots by

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A Osmosis only
B Osmosis and diffusion
C Diffusion and active transport
D Imbition only

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