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 1991: Which of these tissue serves the function of support and water conduction Options:
  A) Parenchyma
  B) Collenchymas
  C) Sclerenchyma
  D) Xylem
  E) Phloem
  Show Answer
  The correct answer is D .
• Question 1992:

  The process in which complex substances are broken down into simpler ones is referred to as

  Options:
  A) anabolism
  B) catabolism
  C) metabolism
  D) tropism
  Show Answer
  The correct answer is B .
• Question 1993: A true fruit is formed from Options:
  A) a fertilized ovary and other floral parts
  B) a fertilized ovary
  C) a fertilized ovary and calyx
  D) a fertilized ovary and fleshy receptacle
  E) an unfertilized ovary and other floral part
  Show Answer
  The correct answer is B .
• Question 1994: When a peacock displays its colourful feathers, it is Options:
  A) ready for a fight
  B) protecting itself from predators
  C) protecting its mate from predators
  D) courting a female
  Show Answer
  The correct answer is D .
• Question 1995:

  Digestive enzymes are responsible for

  Options:
  A) Breaking down food into smaller molecules
  B) Absorbing nutrients into the bloodstream
  C) Regulating the pH of the digestive tract
  D) Transporting food through the digestive system
  Show Answer
  The correct answer is A .
• Question 1996: 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 1997: The vein which returns blood from the head and arms to the heart is called Options:
  A) aorta
  B) inferior vena cava
  C) superior vena cava
  D) pulmonary vein
  E) pulmonary artery
  Show Answer
  The correct answer is C .
• Question 1998:

  In which of the following vertebrates does the skin function as a respiratory surface

  Options:
  A) rat
  B) lizard
  C) fish
  D) frog
  Show Answer
  The correct answer is D .
• Question 1999: When sickle cell carrier marries a normal woman, the probability of them having a normal offspring is Options:
  A) 0.75
  B) 0.25
  C) 0.5
  D) .1
  Show Answer
  The correct answer is C .
• Question 2000:

  Epiphytes growing on the branches of trees provide an example of the relationship known as?

  Options:
  A) parasitism
  B) commensalism
  C) saprophytism
  D) holophytism
  Show Answer
  The correct answer is B .