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 1431: In terms of the number of individuals, which of the following taxa is most inclusive? Options:
  A) order
  B) family
  C) class
  D) species
  Show Answer
  The correct answer is C .
• Question 1432: The breaking down of food in the alimentary canal is called Options:
  A) digestion
  B) egestion
  C) excretion
  D) ingestion
  Show Answer
  The correct answer is A .
• Question 1433:

  

  The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is A .
• Question 1434: Circulation of blood to all parts of the body except the lungs is through Options:
  A) the pulmonary artery
  B) systemic circulation
  C) the lympahatic system
  D) pulmonary circulation
  Show Answer
  The correct answer is B .
• Question 1435: An example of organism which exists as a colony is Options:
  A) Volvox
  B) paramecium
  C) euglena
  D) chlamydomonas
  Show Answer
  The correct answer is A .
• Question 1436: 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 1437: For heterotrophic organisms, competition is least caused by the inadequacy of Options:
  A) mates
  B) space
  C) light
  D) nutrients
  Show Answer
  The correct answer is C .
• Question 1438:

  Cold blooded animals are referred to as

  Options:
  A) Poikilothermic
  B) Homothermic
  C) Polythermic
  D) Homeostatic
  Show Answer
  The correct answer is A .
• Question 1439: The spores of mucor are dispersed by Options:
  A) water
  B) wind
  C) insects
  D) explosive mechanism
  Show Answer
  The correct answer is B .
• Question 1440:

  Which of the following is a male reproductive organ in humans?

  Options:
  A) Uterus
  B) Ovary
  C) Testis
  D) Fallopian tube
  Show Answer
  The correct answer is C .