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 541: Which of the following diseases can be contracted in areas with fast flowing rivers? Options:
  A) Schistosomiasis
  B) Elephantiasis
  C) Syphilis
  D) Onchoceriasis
  Show Answer
  The correct answer is D .
• Question 542:

  

  The biomass is likely to increase in the sequence

  Options:
  A) 1 → 2 → 4 → 5
  B) 1 → 3 → 4 → 5
  C) 3 → 5 → 6 →7
  D) 5 → 4 → 3 → 1
  Show Answer
  The correct answer is D .
• Question 543:

  The most important plant hormone is

  Options:
  A) cytokinin
  B) abscisic acid
  C) auxin
  D) gibberellin
  Show Answer
  The correct answer is C .
• Question 544: Plants which can survive in places where the water supply is limited are Options:
  A) bryophytes
  B) mesophytes
  C) xerophytes
  D) hydrophytes
  E) pteridophytes
  Show Answer
  The correct answer is C .
• Question 545: Which of the following is transmitted through mosquito bite? Options:
  A) Filariasis
  B) Typhus
  C) Plague
  D) Schistosomiasis
  Show Answer
  The correct answer is A .
• Question 546: The earliest form of life in animal kingdom is the Options:
  A) class
  B) amphibian
  C) aves pisces
  D) reptilia
  Show Answer
  The correct answer is C .
• Question 547: The chitin in the exoskeleton of many arthropods is strengthened by Options:
  A) lids
  B) proteins
  C) calcium compounds
  D) organic salt
  Show Answer
  The correct answer is C .
• Question 548:

  Choose the sequence which represents the correct order of organisms in a food chain

  Options:
  A) Grass, snake, toad, grasshopper, hawk
  B) Grass, grasshopper, toad, snake, hawk
  C) Grass, grasshopper, snake, toad, hawk.
  D) Grass, snake, grasshopper, toad, hawk
  Show Answer
  The correct answer is B .
• Question 549: Physiological adaptation to very dry conditions in animals demonstrates Options:
  A) rejuvenation
  B) xeromorphism
  C) hibernation
  D) aestivation
  Show Answer
  The correct answer is D .
• Question 550:

  In which of the following does external fertilization take place?

  Options:
  A) toad
  B) lizard
  C) bird
  D) cockroach
  Show Answer
  The correct answer is A .