Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 201: Human height is an example of a feature which depends on both Options:
  A) genotype and phenotype
  B) genetic and environmental factors
  C) mother's genotype and environmental factor
  D) phenotipic and environmental factors
  Show Answer
  The correct answer is B .
• Question 202: The factors that determine the distribution of vegetation zones are Options:
  A) temperature, light, rain and humidity
  B) light, humidity, air and mist
  C) temperature, light, air and humidity
  D) humidity, snow, frost and dew
  Show Answer
  The correct answer is A .
• Question 203:

  

  What is the part marked X in the figure above called?

  Options:
  A) Pulmonary artery
  B) Pulmonary vein
  C) Vena cava
  D) Main aorta
  E) Hepatic artery
  Show Answer
  The correct answer is A .
• Question 204:

  Which of the following is the primary organ involved in gas exchange during respiration in humans?

  Options:
  A) Diaphragm
  B) Bronchi
  C) Lungs
  D) Trachea
  Show Answer
  The correct answer is C .
• Question 205:

  A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

  Options:
  A) able to carry out holozoic nutrition
  B) able to carry out photosynthesis using carbon dioxide in the pond water
  C) better adapted to life in darkness than to life in light
  D) not overcrowded
  Show Answer
  The correct answer is A .
• Question 206: All the sons of a colour-blind woman will be coloured blind regardless of the state of the father because Options:
  A) the egg determines the phenotype of the son
  B) sons inherit the sex chromosome of their mothers
  C) the father's sex chromosomes is weaker in sons
  D) sex-linked traits express dominance in females
  Show Answer
  The correct answer is D .
• Question 207: Another name for a fertilized egg is a Options:
  A) placenta
  B) zygote
  C) foetus
  D) ovum
  Show Answer
  The correct answer is B .
• Question 208:

  Use the list of ecological constituents below to answer the question below

  1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water

  Items 1-4 can be regarded as

  Options:
  A) a population
  B) a community
  C) an ecosystem
  D) a niche
  Show Answer
  The correct answer is B .
• Question 209: If a person is bitten by a snake on the leg, it is advisable for him to Options:
  A) keep moving so that the venom will ooze out with bleeding
  B) Wash the wound with water containing antiseptic
  C) bandage the wound so that germs do not get in through it
  D) Keep still and apply a tourniquet above the wound
  Show Answer
  The correct answer is D .
• Question 210: The mode of nutrition exhibited by a tapeworm is Options:
  A) symbiotic
  B) saprophytic
  C) parasitic
  D) holozoic
  Show Answer
  The correct answer is C .