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 231: The sequence of ear ossicles from the fenestra ovalis is Options:
  A) malleus, incus and stapes
  B) malleus, stapes and incus
  C) stapes, incus and malleus
  D) stapes, malleuls and incus
  Show Answer
  The correct answer is C .
• Question 232: Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because Options:
  A) the deposits have remains of organisms characteristic of when they were formed
  B) different strata have remains of organisms of the same kind
  C) only organisms with strong parts are fossilized
  D) most animal and plant fossils bear little resemblance to present day living specimens
  Show Answer
  The correct answer is A .
• Question 233: Oestrogen is a hormone that is synthesized in the Options:
  A) ovaries
  B) testes
  C) anterior pituitary
  D) adrenal cortex
  Show Answer
  The correct answer is A .
• Question 234:

  

  In the diagram, the hawk is

  Options:
  A) an omnivore
  B) a primary consumer
  C) a tertiary consumer
  D) a scavenger
  Show Answer
  The correct answer is C .
• Question 235: Genetic counselling is important when a marriage is planned between a Options:
  A) Rh^- woman and Rh ^man+
  B) Rh^- woman and Rh^- man
  C) Rh⁺ woman and Rh⁺ man
  D) Rh⁺ woman and Rh^- man
  Show Answer
  The correct answer is A .
• Question 236: The least adaptive feature of aboreal life is the Options:
  A) possession of fouur limbs
  B) possession of claws
  C) development of long tail
  D) shading of coat colour
  Show Answer
  The correct answer is D .
• Question 237: The breaking down of food in the alimentary canal is called Options:
  A) digestion
  B) egestion
  C) excretion
  D) ingestion
  Show Answer
  The correct answer is A .
• Question 238:

  Which of the following characteristics is typical of the phylum Arthropoda?

  Options:
  A) Radial symmetry
  B) Closed circulatory system
  C) Endoskeleton made of bones
  D) Presence of a segmented body
  Show Answer
  The correct answer is D .
• Question 239: Which enzymes are contained in the pancreatic juice? Options:
  A) Ptayalin, lipase and pepsin
  B) Maltase, erepsin and trypsin
  C) Renin, sucrase and lipase
  D) Amylase, lipase and trypsin
  Show Answer
  The correct answer is D .
• Question 240:

  Which of the following describes the function of lymph

  Options:
  A) Temperature regulation
  B) Production of antibodies
  C) Engulfing
  D) Body defence
  Show Answer
  The correct answer is D .