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 1: Which of the following can cause shrinkage of living cells? Options:
  A) Deionized water
  B) Hypotonic solution
  C) Isotonic solution
  D) Hypertonic solution
  Show Answer
  The correct answer is D .
• Question 2:

  The display of male agama lizard is to?

  Options:
  A) scare predators
  B) regulate body temperature
  C) attract female for mate
  D) give invite to intruders
  Show Answer
  The correct answer is C .
• Question 3:

  

  In the diagram, the habitat of the organism is

  Options:
  A) slow moving streams and marshes
  B) the stomach of large mammals
  C) under leaf filter on forest floor
  D) the small intestine of large vertebrates
  Show Answer
  The correct answer is D .
• Question 4:
  

  The above diagram represents a competitive interaction between organism in communities I and II. Which of the following statements is CORRECT?

  Options:
  A) The population of I was higher than II at the beginning of the experiments
  B) II was wiped out from the enviroment at the end of the experiments
  C) The population of II was always lower than that of
  D) The population of I was lower at the end of the experiment than at the beginning
  Show Answer
  The correct answer is B .
• Question 5:

  Which of the following processes is involved in the reproduction of developing organisms?

  Options:
  A) Budding
  B) Germination
  C) Fertilization
  D) Pollination
  Show Answer
  The correct answer is C .
• Question 6:

  

  The part labelled III is for

  Options:
  A) protection
  B) insulation
  C) lubrication
  D) growth
  Show Answer
  The correct answer is B .
• Question 7: One of the following exist as colony Options:
  A) euglena
  B) paramecium
  C) spirogyra
  D) volvox
  Show Answer
  The correct answer is D .
• Question 8: Paternity dispute can most accurately be resolved through the use of Options:
  A) Finger printing
  B) blood group typing
  C) DNA analysis
  D) tongue-rolling
  Show Answer
  The correct answer is C .
• Question 9:

  A population is defined as the collection of

  Options:
  A) Similar organism that are found in the same habitat
  B) Similar organisms that breed in the same habitat
  C) Similar organisms that interbreed freely in the same habitat
  D) Similar organism eating the same food
  E) Different organisms in the same habitat
  Show Answer
  The correct answer is C .
• Question 10: The stem differs from the root in having the xylem and phloem strands Options:
  A) on the same radii
  B) scattered
  C) on alternate radii
  D) towards the pith
  Show Answer
  The correct answer is A .