Biology Past Questions And Answers
2011
The sex of a foetus is determined during
- A. meiosis
- B. copulation
- C. fertilization
- D. placentation
2012
Which of the following conditions is not required to be true for a population in Hardy-Weinberg equilibrium?
- A. Large population
- B. No natural selection
- C Random mutations
- D. Random mating
2013
Interveinal chlorosis is normally associated with the deficiency of
- A) magnesium
- B) potassium
- C) iron
- D) calcium
2014
The influence of soil on organisms in a habitat is referred to as
- A. Edaphic
- B. Physiographic
- C. Biotic
- D. Topographic
2015
Which of the following is correct about the transverse section of a vein, when compared with that of an artery?
- A. The lumen of a vein is wider than that of an artery
- B. The endothelium of the vein is thinner than that of an artery
- C. There are more smooth muscles in a vein than in an artery
- D. There are valves in veins but not in arteries.
2016
Which of the following is not a component of the appendicular skeleton?
- A. Ulna
- B. Atlas
- C. Femur
- D. Pelvic girdle
2017
Which of the following digestive enzymes would be greatly affected if the liver fails to produce bile?
- A. Amylase
- B. Cellulase
- C. Lipase
- D. Protease
2018
What would happen to a man whose pancreas has been surgically removed?
- A. The level of blood sugar would increase
- B. The glycogen content of the liver would increase
- C. His blood pressure would decrease
- D. His weight would increase appreciably
2019
Which part of the ear is responsible for the maintenance of balance?
- A) cochlea
- B) tympani membrane
- C) Eustachian tube
- D) semi-circular canals
2020
One of the following exist as colony
- A. euglena
- B. paramecium
- C. spirogyra
- D. volvox

