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 241:

  The system of classification in which there are seven hierarchies from kingdom to species was introduced by?

  Options:
  A) Felix Dujardin
  B) Carolus Linneus
  C) Theodore Schwann
  D) Charles Darwin
  Show Answer
  The correct answer is B .
• Question 242:

  What type of vertebrate assists in breathing alongside with the ribs?

  Options:
  A) Sacral
  B) Caudal
  C) Thoracic
  D) Lumber
  Show Answer
  The correct answer is C .
• Question 243: The essential structural difference between hydra and tapeworm is that while Hydra Options:
  A) has tentacles, tapeworm is parasitic
  B) is diploblastic, tapeworm is triplobastic
  C) has a mouth, tapeworm feeds by suckers
  D) has mesoderm, tapeworm has mesogloea
  Show Answer
  The correct answer is B .
• Question 244: Which of the following instruments is used to measure wind speed? Options:
  A) Thermometer
  B) Barometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is D .
• Question 245: Water in plants is removed as water vapour through the process of Options:
  A) diffusion
  B) osmosis
  C) evaporation
  D) transpiration
  Show Answer
  The correct answer is D .
• Question 246: One significant difference between roots and stem is that Options:
  A) Branch roots originate in the pericycle while stem do not
  B) Stems are always bove the ground while root are always below the ground
  C) Stems are positively geotropic while roots are negatively geotropic
  D) Stem are sometime used for storage while roots are never used
  E) Stems grow in both length and circumference while root grow only in length
  Show Answer
  The correct answer is A .
• Question 247: The vitamin which is important in the formation of the retina pigment is Options:
  A) vitamin A
  B) vitamin B
  C) vitamin C
  D) vitamin D
  Show Answer
  The correct answer is A .
• Question 248:

  

  Use the diagram above to answer this question.

  If the dogs are offspring of a monohybrid cross and the gene G for grey head is dominant cross over its allele g, the individual whose genotype is likely to be gg is

  Options:
  A) ll
  B) l
  C) IV
  D) lll
  Show Answer
  The correct answer is B .
• Question 249: The light sensitive cells in the human eye is called the ................ Options:
  A) Choroid
  B) Sclerotic layer
  C) retina
  D) cones
  Show Answer
  The correct answer is D .
• Question 250:

  Which of the following describes the inheritance of traits from parents to offspring?

  Options:
  A) Adaptation
  B) Evolution
  C) Natural selection
  D) Genetics
  Show Answer
  The correct answer is D .