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 141: A flower showing radial symmetry is said to be Options:
  A) pentamerous
  B) protandrous
  C) protogynous
  D) actinomorphic
  Show Answer
  The correct answer is D .
• Question 142:

  The bright colours of the comb and feathers in the peacock are for?

  Options:
  A) sex differentiation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 143: In the living cells, insufficient oxygen may cause a breakdown of glucose into Options:
  A) fatty acids
  B) lactic acids
  C) glycogen
  D) carbon dioxide
  Show Answer
  The correct answer is B .
• Question 144: Which of the following is used to test for the presence of lime in a soil sample? Options:
  A) H₂SO_4(aq)
  B) NaOH_(aq)
  C) HCl_(aq)
  D) HNO_3(aq)
  Show Answer
  The correct answer is C .
• Question 145: An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ? Options:
  A) Radiation
  B) Sweat
  C) Evaporation
  D) Conduction
  E) Convection
  Show Answer
  The correct answer is E .
• Question 146: 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 147: The insects in which the maxillae are modified into a long coiled proboscis is Options:
  A) housefly
  B) butterfly
  C) mosquito
  D) grasshopper
  Show Answer
  The correct answer is B .
• Question 148: The end products of the digestion of fats and oils in mammals are Options:
  A) maltose and fatty acid
  B) amino acids and glucose
  C) fatty acid and fructose
  D) fatty acids and glycerin
  Show Answer
  The correct answer is D .
• Question 149:

  

  In the diagram, the hawk is

  Options:
  A) an omnivore
  B) a primary consumer
  C) a tertiary consumer
  D) a scavenger
  Show Answer
  The correct answer is C .
• Question 150: Which of the following growth activities in plants is brought about by gibberellins? Options:
  A) Rapid cell division
  B) Tropic response
  C) Cell elongation
  D) Main cell elongation
  Show Answer
  The correct answer is C .