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 711:

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

  Options:
  A) Evolution
  B) Adaptation
  C) Genetics
  D) Natural selection
  Show Answer
  The correct answer is C .
• Question 712:

  Which of the following will have the least effect on the rate of change of the numbers in a population

  Options:
  A) Mutation
  B) Food Supply
  C) Disease
  D) Predation
  Show Answer
  The correct answer is A .
• Question 713:

  Which of the following represents an example of ecological management and conservation through a biological association?

  Options:
  A) Construction of a dam for hydroelectric power
  B) Introduction of an invasive species for pest control
  C) Clear-cutting of a forest for timber extraction
  D) Establishment of marine protected areas
  Show Answer
  The correct answer is D .
• Question 714:

  Which of the following functions is performed by the skin to help maintain homeostasis in the human body?

  Options:
  A) Regulation of body temperature
  B) Filtration of blood
  C) Production of hormones
  D) Digestion of food
  Show Answer
  The correct answer is A .
• Question 715: A couple has 10 children, all female. Which of the following best explains the situation Options:
  A) The sex determination was by the man's X chromosome
  B) The man's sperm count is low
  C) The woman is not capable of producing male children
  D) The sex determination was by the man's Y chromosome
  Show Answer
  The correct answer is A .
• Question 716:

  

  At which temperature will cockroaches not survive after 10 days

  Options:
  A) 15^oC
  B) 19^oC
  C) 24^oC
  D) 33^oC
  Show Answer
  The correct answer is A .
• Question 717: The phenotype of an individual can be summed up as the Options:
  A) totality of the expressed traits
  B) individual's physical appearance
  C) individual's entire genetical make-up
  D) physiological traits of individual
  Show Answer
  The correct answer is B .
• Question 718: One of the following is the unit of life Options:
  A) cell
  B) tissues
  C) organ
  D) system
  Show Answer
  The correct answer is A .
• Question 719: The process of walking is under the control of the part of the brain called Options:
  A) optic lobe
  B) olfactory lobe
  C) cerebellum
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 720:

  The role of scolex in tapeworm is to

  Options:
  A) excretion
  B) attachment to the host
  C) movement
  D) breathing
  Show Answer
  The correct answer is B .