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 501: 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 502: The opening and closing of the stoma are regulated by Options:
  A) transpiration
  B) respiration
  C) diffusion
  D) osmosis
  Show Answer
  The correct answer is D .
• Question 503: Which of the following is a characteristics of a bacteria except _______? Options:
  A) they can be seen under microscope
  B) they range from 0.5 µ m in diameter
  C) They are grouped accordingly to their cell shape
  D) they do not cause disease
  Show Answer
  The correct answer is D .
• Question 504: The eye defect cause by the development of cloudy areas in the lenses is Options:
  A) presbyopia
  B) glaucoma
  C) cataract
  D) astigmatism
  Show Answer
  The correct answer is C .
• Question 505: Which of the following constitute pollution? Options:
  A) Droppings from birds
  B) loud disco sound
  C) A pack of cigarettes
  D) Refuse in an incinerator
  Show Answer
  The correct answer is B .
• Question 506: the function of the long-winged reproductives of the termites colony is to Options:
  A) disperse the population
  B) feed the young
  C) participate in swarming
  D) protect the young
  Show Answer
  The correct answer is A .
• Question 507: A unique characteristics of the cervical vertebrate is the presence of Options:
  A) large centrum
  B) long transverse processes
  C) zgapophysis
  D) vertebrartarial canal
  Show Answer
  The correct answer is D .
• Question 508: A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the Options:
  A) vivparous mode of reproduction
  B) possession of paired limbs
  C) terrestrial mode of life
  D) possession of a heart
  Show Answer
  The correct answer is A .
• Question 509: In a plant exhibiting alternation of generations, the diploid multicellular stage is known as Options:
  A) gametophyte
  B) spermatophyte
  C) holophyte
  D) sporophyte
  Show Answer
  The correct answer is D .
• Question 510:

  Flatworms and roundworms are said to be invertebrates because?

  Options:
  A) they are small animals
  B) they can live inside the vertebrates
  C) some of them are unicellular
  D) they have no backbones
  Show Answer
  The correct answer is D .