Jamb Biology Past Questions For Year 2018
Question 16
A seed of a flowering plant can best be described as
- A. radicle and plumule
- B. the developed ovule
- C. the embryo and endosperm
- D. developed ovary
Question 17
Spectacles with convex lenses correct long-sightedness by
- A. converging the light rays before they enter the eye
- B. diverging the light rays before they enter the eye
- C. reducing the light intensity before it enters the eye
- D. increasing the light intensity before it enters the eye
Question 18
The part of the ear which contains nerve cells sensitive to sound vibrations is the
- A. cochlea
- B. ampulla
- C. tympanum
- D. malleus
Question 19
The reason why hospitals use saline solutions as drip Instead of water is
- A. because salt is a preservative
- B. to prevent contamination of the body
- C. to maintain the composition of body fluids
- D. to increase the number of blood cells
Question 20
The graph above shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
What physiological term can used to describe the regulation of the body temperature of the of the Lizard?
- A. Homeostasis
- B. Homoithermy
- C. Poikilothermy
- D. Osmoregulation
