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 991: A young plant showing yellow leaves is likely to be deficient in Options:
  A) calcium
  B) magnesium
  C) potassium
  D) boron
  E) molybdenum
  Show Answer
  The correct answer is B .
• Question 992: The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for Options:
  A) tearing
  B) chewing
  C) cutting
  D) chewing and tearing
  E) cutting and grinding
  Show Answer
  The correct answer is A .
• Question 993: Gaseous exchange in the lungs takes place in the Options:
  A) alveoli
  B) bronchi
  C) bronchioles
  D) trachea
  Show Answer
  The correct answer is A .
• Question 994:

  An ecological instrument used to measure wind direction is?

  Options:
  A) Secchi disc
  B) wind vane
  C) anemometer
  D) slope gauge
  Show Answer
  The correct answer is B .
• Question 995:

  In the egg of a bird, the embryo is located in the

  Options:
  A) Chalaza
  B) Yolk
  C) Albumen
  D) Embryo disc
  Show Answer
  The correct answer is B .
• Question 996: Tissue respiration is important for the Options:
  A) absorption of oxygen into the alveoli
  B) release of carbon (IV) oxide into the lungs
  C) release of energy for the body use
  D) exhalation of carbon(IV) oxide from the lungs
  Show Answer
  The correct answer is C .
• Question 997:

  A pollutant that is mostly associated with acid rain is

  Options:
  A) Nitrogen (IV) oxide
  B) Ozone
  C) Flourine
  D) Carbony (IV) oxide
  Show Answer
  The correct answer is A .
• Question 998:

  The change in the genetic make up of an organism resulting in an inheritable characteristics which is new is

  Options:
  A) Mutation
  B) Locus
  C) Hybrid
  D) Diploid
  Show Answer
  The correct answer is A .
• Question 999:

  

  Use the diagram above to answer this question.

  Which of the following is a true feature of plantation ll?

  Options:
  A) it has the highest number of trees of about 2m high.
  B) it has highest number of trees
  C) it has the highest number of tall trees
  D) the height of all its trees range between 2m and 6m
  Show Answer
  The correct answer is A .
• Question 1000: Which of the following causes pollution? Options:
  A) Consumption of canned drink
  B) The addition of fertilizer to farmland
  C) Respiration of living organism
  D) Burning of refuse
  Show Answer
  The correct answer is D .