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 451: Coelom is absent in the class of animals termed Options:
  A) mollusca
  B) reptilia
  C) arthropoda
  D) coelenterata
  Show Answer
  The correct answer is D .
• Question 452: Which of these animals is radially symmetrical? Options:
  A) squid
  B) Hydra
  C) Snail
  D) Cockroach
  Show Answer
  The correct answer is B .
• Question 453: A distinguished feature of mammals is the possession of Options:
  A) skin
  B) scale
  C) nail
  D) hair
  Show Answer
  The correct answer is D .
• Question 454:

  The type of nutrition in which two organisms of different species live together and derive nutrients from each other is

  Options:
  A) symbiotic nutrition
  B) saprophytic nutrition
  C) holozoic nutrition
  D) holophytic nutrition
  Show Answer
  The correct answer is A .
• Question 455: Which of the following stimuli is likely to elicit a nastic response in an organism? Options:
  A) Touch
  B) Light intensity
  C) Chemical substances
  D) Gravity
  Show Answer
  The correct answer is C .
• Question 456:
  

  Use the diagram to answer this question. The part labelled II is the

  Options:
  A) nucleus
  B) eyespot
  C) basal granule
  D) contractile vacuole
  Show Answer
  The correct answer is D .
• Question 457: In the Burret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive results? Options:
  A) Mercurous nitrates
  B) Copper sulphate
  C) Mercuric nitrate
  D) Sodium carbonate
  E) Ammonium hydroxide
  Show Answer
  The correct answer is B .
• Question 458: In which of the following groups of vertebrates is parental care mostly exhibited ? Options:
  A) Reptilia
  B) Amphibia
  C) Aves
  D) Mammalia
  Show Answer
  The correct answer is D .
• Question 459: The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the Options:
  A) eye
  B) chorion
  C) allantois
  D) gill-silts
  Show Answer
  The correct answer is D .
• Question 460:
  

  What stage during cell division is represented in the figure above?

  Options:
  A) Prophase
  B) Metaphase
  C) Anaphase
  D) Telophase
  Show Answer
  The correct answer is C .