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 1841: The most important ecological factor in a terrestrial environment is Options:
  A) rainfall
  B) humidity
  C) wind
  D) soil
  Show Answer
  The correct answer is D .
• Question 1842: 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 1843: Colonization of a bare rock surface is termed Options:
  A) evolution
  B) specification
  C) primary succession
  D) secondary succession
  Show Answer
  The correct answer is C .
• Question 1844: The element that is essential for the coagulation of blood is Options:
  A) potassium
  B) calcium
  C) phosphorus
  D) iron
  Show Answer
  The correct answer is B .
• Question 1845:

  

  The part labelled II is

  Options:
  A) pellicle
  B) cytoplasmic connections
  C) flagella
  D) cells
  Show Answer
  The correct answer is B .
• Question 1846: Etiolation is caused by the influence of Options:
  A) minerals salt
  B) water
  C) carbondioxide
  D) light
  Show Answer
  The correct answer is D .
• Question 1847:

  Which of the following type of soil has the highest water retaining capacity?

  Options:
  A) Loam
  B) Laterite
  C) Clay
  D) Sand
  Show Answer
  The correct answer is C .
• Question 1848: Treatment of a poor soil with lime supplies Options:
  A) Sulphur
  B) Calcium
  C) Phosphorus
  D) Sodium
  E) Nitrogen
  Show Answer
  The correct answer is B .
• Question 1849: Identical twins inherit their genes from Options:
  A) different eggs and sperms
  B) the same egg and sperm
  C) two eggs and a sperm
  D) one egg and two sperms
  Show Answer
  The correct answer is B .
• Question 1850: Flame cells are the Options:
  A) excretory system of worms
  B) excretory and respiratory systems of flatworms
  C) secretory syustem of flatworms
  D) excretory system of flatworms
  Show Answer
  The correct answer is D .