Biology Past Questions And Answers
Organisms that interbreed to produce fertile offspring belong to the same
- A. class
- B. family
- C. species
- D. order
Which of the following options correctly identifies excretory organs in animals?
- A. Stomach, intestines, and bladder
- B. Lungs, kidneys, and skin
- C. Brain, spinal cord, and nerves
- D. Heart, liver, and spleen
Hypermetropia is corrected by the use of
- A. concave lenses
- B. convex lenses
- C. cylindrical lenses
- D. contact lenses
A pandemic is an outbreak of disease that
- A. is confined to a town
- B. is wide spread
- C. will not spread
- D. has limited spread
The diagram below illustrates a part of the human skeleton. It represents the bones of the

- A. upper arm
- B. lower arm
- C. upper leg
- D. lower leg
Leguminous crops are incorporated into crop rotation in order to
- A. improve aeration of the soil.
- B. promote nitrogen fixation
- C. increase the rate of soil formation
- D. improve upon the water holding capacity of the soil
The central nervous system in humans is made up of the
- A. brain, medulla oblongata and nerves
- B. brain, spinal cord and cranial nerves
- C. brain and spinal nerves
- D. brain and spinal cord
The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.
The likely reason why the student failed the test was that the

- A. labels were wrong and the guidelines were not touching the structures
- B. net venation shown were few, rough, not properly drawn and wrongly placed
- C. leaf venation should have been parallel and the midrib should be thicker
- D. leaf was too tapered at the apex, the leaf stalk was too short and the shape of leaf was wrong.
Ultra filtration in the kidney takes place in the
- A) loop of Henle
- B) renal vein
- C) Bowman's capsule
- D) pelvis
Which of the following describes the inheritance of traits from parents to offspring?
- A. Adaptation
- B. Evolution
- C. Natural selection
- D. Genetics

