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 291: 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 292: Water fleas, wood lice and barnacles belong to the group Options:
  A) arachnida
  B) crustacea
  C) insecta
  D) chilopoda
  Show Answer
  The correct answer is B .
• Question 293: The theory of survival of the fittest was propounded by Options:
  A) Darwin
  B) Lamarck
  C) Linnaeus
  D) Mendel
  Show Answer
  The correct answer is A .
• Question 294: A population is defined as a collection of similar organism that Options:
  A) behave in the same way
  B) interbreed freely
  C) are found in the same habitat
  D) eat the same food
  Show Answer
  The correct answer is C .
• Question 295:

  

  Which of the labelled bone is the ulna?

  Options:
  A) 1
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is B .
• Question 296: Viviparity occurs mainly in the Options:
  A) mammals
  B) reptiles
  C) aves
  D) amphibians
  Show Answer
  The correct answer is A .
• Question 297: Carbon (iv) oxide is added to the atmosphere when ________? Options:
  A) plants build-up organic compounds
  B) plants absorb mineral salts
  C) sugars are completely broken down in animals
  D) there is thunderstorm
  Show Answer
  The correct answer is A .
• Question 298: The major function of the swim-bladder in fishes is Options:
  A) breathing
  B) buoyancy
  C) swimming
  D) diving
  Show Answer
  The correct answer is B .
• Question 299: The intensity of competition among animals in a given area will increase with Options:
  A) an increase in the frequency of disease outbreaks
  B) an increase in population size
  C) a decrease in immigration rate
  D) an increase in the emigration rate
  Show Answer
  The correct answer is B .
• Question 300: The influence of soil on organisms in a habitat is referred to as Options:
  A) Edaphic
  B) Physiographic
  C) Biotic
  D) Topographic
  Show Answer
  The correct answer is A .