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 611: The severe deficiency of vitamin C leads to Options:
  A) Kwashiokor
  B) beriberi
  C) pellagra
  D) scurvy
  Show Answer
  The correct answer is D .
• Question 612: The maize grain is a fruit and not a seed because it Options:
  A) has a large endosperm
  B) is formed from an ovary
  C) is a monocotyledon
  D) has no plumule and radicle
  E) has a hypogeal germination
  Show Answer
  The correct answer is B .
• Question 613: In which of the following organism does a single cells performs all the function of movement, nutrition, growth , excretion, photosynthesis? Options:
  A) Paramecium
  B) Euglena
  C) Amoeba
  D) Spirogyra
  Show Answer
  The correct answer is B .
• Question 614: A group of organisms of different species living in a particular area is described as a Options:
  A) colony
  B) community
  C) population
  D) niche
  Show Answer
  The correct answer is B .
• Question 615: In anaerobic respiration, glucose is converted to one of the following Options:
  A) Carbon dioxide and water
  B) Carbon dioxide only
  C) Carbon dioxide and alcohol
  D) Alcohol and water
  E) water and acetic acid
  Show Answer
  The correct answer is C .
• Question 616: Serum differs from blood plasma because Options:
  A) contains blood cells and fibrinogen
  B) contains soluble food and mineral salt
  C) lacks the blood protein and fibrinogen
  D) lacks blood cells and albumin
  Show Answer
  The correct answer is C .
• Question 617: Which of the following is an example of discontinuous variation observed in man? Options:
  A) Skin colours
  B) Tongue rolling
  C) Body weight
  D) Height
  Show Answer
  The correct answer is B .
• Question 618:

  The organic molecule(s) present in the nucleus is/are

  Options:
  A) DNA
  B) Protein, DNA, RNA
  C) ATP and RNA
  D) RNA
  Show Answer
  The correct answer is A .
• Question 619: A seedling grown in the dark is likely to be Options:
  A) etiolated
  B) dormant
  C) sturdy
  D) stunted
  Show Answer
  The correct answer is A .
• Question 620: The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) is Options:
  A) from mother to child
  B) through blood transfusion
  C) through sexual intercourse
  D) through the sharing of needles
  Show Answer
  The correct answer is C .