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 561: An instrument used in measuring the speed of wind is Options:
  A) a barometer
  B) a wind gauge
  C) a wind vane
  D) an anemometer
  E) a hydrometer
  Show Answer
  The correct answer is D .
• Question 562: In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces Options:
  A) alcohol
  B) oxygen
  C) carbon dioxide
  D) energy
  E) ethanol
  Show Answer
  The correct answer is C .
• Question 563:

  The display of male agama lizard is to?

  Options:
  A) scare predators
  B) regulate body temperature
  C) attract female for mate
  D) give invite to intruders
  Show Answer
  The correct answer is C .
• Question 564:

  Which of these combinations is common to plant and animal cells?

  Options:
  A) Centriole, middle lamella, golgi bodies, mitrochondrion
  B) Cytoplasm, sap, vacuole, starch grains, leucoplasts
  C) Plasma membranes, chromosomes, mitochondria, lysosomes.
  D) Nucleus, nucleolus, cellulose cell wall, endoplasmic reticulum
  E) Cytoplasm, centriole, cellulose cell wall, nucleolus
  Show Answer
  The correct answer is C .
• Question 565: An organism having one pair of identical genes is Options:
  A) a heterozygote
  B) a hybride
  C) an allelomorph
  D) a homozygote
  E) a diploid
  Show Answer
  The correct answer is D .
• Question 566: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) gills ⇢ operculum ⇢ mouth
  B) mouth ⇢ gills ⇢ operculum
  C) mouth ⇢ operculum ⇢ gills
  D) operculum ⇢ mouth ⇢ gills
  Show Answer
  The correct answer is B .
• Question 567: Which of the following associations is an example of mutualism Options:
  A) hydra viridis and zoochlorellae
  B) human and lice
  C) shark and remora fish
  D) bread and rhizopus stolonifer
  Show Answer
  The correct answer is A .
• Question 568: An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is Options:
  A) pH
  B) oxygen
  C) light
  D) temperature
  Show Answer
  The correct answer is C .
• Question 569:

  

  The type of joint between adjacent bones in the part labelled II is the

  Options:
  A) hinge joint
  B) ball and socket joint
  C) suture joint
  D) sliding joint
  Show Answer
  The correct answer is D .
• Question 570:

  The probability of a baby being a boy or a girl depends on the contribution of the

  Options:
  A) father's sex cells
  B) father's stomatic chromosome
  C) mother's sex cell
  D) mother's X-chromosome
  Show Answer
  The correct answer is A .