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 1421: Which of the following correctly summarizes the life cycle of fern plant? Options:
  A) Spore → prothallus → thallus → sporangium
  B) Male and female gamentangia → zygospores → sporangium → spores
  C) Spore → thallus → spermatozoa + ovum → sporangium
  D) Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
  Show Answer
  The correct answer is D .
• Question 1422:

  

  In the diagram, the organelle responsible for heredity is

  Options:
  A) iii
  B) iv
  C) ii
  D) i
  Show Answer
  The correct answer is A .
• Question 1423: Wind pollinated flowers usually have Options:
  A) rough pollen grains
  B) sticky stigmas
  C) small and short stigmas
  D) long styles
  Show Answer
  The correct answer is D .
• Question 1424: Which of the following adaptations is NOT concerned with the flight of birds? Options:
  A) Streamlined shape
  B) Presence of powerful muscles
  C) Reduced body weight
  D) Broad sternum
  E) Webbed feet
  Show Answer
  The correct answer is E .
• Question 1425: The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because Options:
  A) birds are generally bigger in size
  B) embryonic development is longer in birds
  C) those of birds are fertilized internally
  D) birds lay shelled eggs
  Show Answer
  The correct answer is B .
• Question 1426: All living organism Options:
  A) Photosynthesize
  B) Respire
  C) Move
  D) Feed
  E) Transpire
  Show Answer
  The correct answer is B .
• Question 1427: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 1428: An instrument used in measuring the speed of wind is Options:
  A) a barometer
  B) a wind gauge
  C) a wind vane
  D) an anemometer
  E) a hydrometer
  Show Answer
  The correct answer is D .
• Question 1429: In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces Options:
  A) alcohol
  B) oxygen
  C) carbon dioxide
  D) energy
  E) ethanol
  Show Answer
  The correct answer is C .
• Question 1430: Oxygen liberated during photosynthesis has been demonstrated to come from Options:
  A) carbondioxide
  B) air
  C) water
  D) chlorophyll
  Show Answer
  The correct answer is C .