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 2341: If an isolated living cell is left in distilled water for two hours, it is likely to Options:
  A) lose some of its water to the surrounding water
  B) lose all of its water to the surrounding water
  C) reproduce by binary fission
  D) become more turgid
  E) die due to excess water
  Show Answer
  The correct answer is D .
• Question 2342: A samara differs from a cypsela by having Options:
  A) an extended pericarp
  B) a hard pericarp
  C) a pericarp fused with seed coat
  D) some hairy outgrowth on the pericarp
  Show Answer
  The correct answer is A .
• Question 2343: The part of the mammalian ear responsible for the maintenance of balance is the Options:
  A) cochlea
  B) pinna
  C) perilymph
  D) vestibular system
  Show Answer
  The correct answer is D .
• Question 2344: In community, bacteria and fungi are referred to as Options:
  A) producers
  B) decomposers
  C) scavengers
  D) consumers
  Show Answer
  The correct answer is B .
• Question 2345: In a typical freshwater habitat, the edge of the stream or pond constitutes the Options:
  A) tidal zone
  B) intertidal zone
  C) littoral zone
  D) euphotic zone
  Show Answer
  The correct answer is C .
• Question 2346: Banana, plantain and pineapple can be grouped together because they Options:
  A) produce small seeds
  B) are multiple fruit
  C) produce suckers
  D) have runners
  E) have bulbils
  Show Answer
  The correct answer is C .
• Question 2347:

  

  The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

  Options:
  A) 12453
  B) 24135
  C) 21435
  D) 14325
  E) 31425
  Show Answer
  The correct answer is C .
• Question 2348:

  The function of ribosome in cells is

  Options:
  A) protein synthesis
  B) starch synthesis
  C) transport of material
  D) lipid storage
  Show Answer
  The correct answer is A .
• Question 2349: The rate of transpiration of a leafy shoot would be highest under Options:
  A) damp, cold, still air
  B) damp, warm, moving air
  C) dry, warm, moving air
  D) dry, cold, moving air
  E) dry, warm, still air
  Show Answer
  The correct answer is C .
• Question 2350: An example of a poikilothermic organism is a Options:
  A) Lizard
  B) Cockroach
  C) rabbit
  D) bird
  Show Answer
  The correct answer is A .