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 characteristic that distinguishes bryophytes from flowering plants is the Options:
  A) possession of true stems and leaves
  B) ability to reproduce asexually
  C) absence of vascular tisssues
  D) ability to grow in moist habitats
  Show Answer
  The correct answer is C .
• Question 142: The function of the red head in male Agama lizards is to Options:
  A) conceal and camouflage the animal from predators
  B) scare other males from the territory
  C) attract female lizards for mating purposes
  D) warm predators of the distastefulness of the animal
  Show Answer
  The correct answer is C .
• Question 143: The inner ear contains two main organs, namely, the Options:
  A) eardrum and eustachian tube
  B) cochlea and semi-circular canals
  C) oval window and ossicles
  D) pinna and cochlea
  Show Answer
  The correct answer is B .
• Question 144: The hepatic portal vein is characterized by Options:
  A) Beginning and ending with capillaries
  B) Connecting the liver and the kidney
  C) Carrying deoxygenated blood
  D) Ending with large capillaries
  E) Having no capillaries
  Show Answer
  The correct answer is A .
• Question 145: The three blood vessels that supply the mammalian alimentary canals are Options:
  A) segmented artery, hepatic artery and coeliac artery
  B) coeliac artery, anterior mesenteric artery and posteroir mesenteric artery
  C) coelic artery, segmental artery and hepatic artery
  D) hepatic artery, anterior mesenteric artery and posterior mesenteric artery
  E) hepatic portal vein, anterior mesenteric artery and posterior mesenteric artery
  Show Answer
  The correct answer is B .
• Question 146: The addition of lime to clayed soil serves to Options:
  A) aid water retention
  B) close up the texture
  C) prevent water logging
  D) improve capillary action
  Show Answer
  The correct answer is D .
• Question 147:

  

  In the figure above the structured labelled X is the

  Options:
  A) cellulose cell wall
  B) plasma membrane
  C) nuclear membrane
  D) mucilage wall
  E) ectoplasm
  Show Answer
  The correct answer is D .
• Question 148: Which of the following requires the use of carbon dating to prove that evolution has occurred? Options:
  A) Comparative anatomy
  B) Biochemical similarities
  C) molecular records
  D) Fossil records
  Show Answer
  The correct answer is D .
• Question 149: In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the Options:
  A) the primary consumer has more energy than the primary poducer
  B) secondary consumer takes up all the energy contents of the primary consumer
  C) energy is shared equally between the three groups of organism
  D) secondary consumer gets only a small portion of the energy contained in the primary producer
  Show Answer
  The correct answer is D .
• Question 150: The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called Options:
  A) Amnion
  B) Chorion
  C) Umbilical cord
  D) Oviduct
  E) Placenta
  Show Answer
  The correct answer is E .