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 1011: Environmental pollutants which can work through the media of water, soil and air include Options:
  A) carbon monoxide
  B) noise
  C) sulphur(IV)oxide
  D) smoke
  Show Answer
  The correct answer is C .
• Question 1012: Which of the following relationship involves only one organism? Options:
  A) Saprophytism
  B) commensalism
  C) Parasitism
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 1013: The dark reaction of photosynthesis involves the Options:
  A) reduction of carbon(IV)oxide to organic
  B) release of oxygen and the splitting of water
  C) photolysis of water and the production of starch
  D) splitting of water into hydrogen
  Show Answer
  The correct answer is A .
• Question 1014:

  The waste product of insects is?

  Options:
  A) uric acid
  B) urine
  C) Mucilage
  D) sweat
  Show Answer
  The correct answer is A .
• Question 1015:
  

  The female gamete is represented by

  Options:
  A) I
  B) II
  C) III
  D) Iv
  Show Answer
  The correct answer is C .
• Question 1016: The structure that is most commonly identified in all living cells under the light microscope is the Options:
  A) mitochondrion
  B) chloroplast
  C) nucleus
  D) ribosome
  Show Answer
  The correct answer is C .
• Question 1017: Movements and positions of the head in man are detected by the Options:
  A) cochlea
  B) malleus
  C) utriculus
  D) semicircular canals
  E) outer ear
  Show Answer
  The correct answer is D .
• Question 1018: The presence of sunken stomata and the folding of leaves are adaptations to Options:
  A) Prevent entry of pathogens
  B) Reduce water loss
  C) Remove excess water
  D) Prevent guttation
  Show Answer
  The correct answer is B .
• Question 1019: Ability to taste PTC in some individuals is a character that is Options:
  A) acquired
  B) heritable
  C) sex-linked
  D) morphological
  Show Answer
  The correct answer is B .
• Question 1020:

  

  Use the diagram above to answer this question.

  The structure labelled l is the

  Options:
  A) sporangium
  B) hypha
  C) zygospore
  D) conidiospore
  Show Answer
  The correct answer is C .