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 321: In animals, meiosis comes Options:
  A) after fertilization
  B) after ever mitotic division
  C) before fertilization
  D) before every mitotic division
  Show Answer
  The correct answer is D .
• Question 322: The functional unit of a mammalian kidney is the Options:
  A) urethra
  B) malphigian capsule
  C) glomerulus
  D) nephron
  E) ureter
  Show Answer
  The correct answer is D .
• Question 323:

  The theory of evolution can be defined as

  Options:
  A) The belief that all species were created in their current form
  B) The hypothesis that organisms strive to improve themselves over generations
  C) The idea that species change over time through natural processes
  D) The concept that evolution occurs through a series of sudden and dramatic changes
  Show Answer
  The correct answer is C .
• Question 324:

  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 325: What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypically Options:
  A) 1/4
  B) 1/2
  C) 3/4
  D) 4/4
  Show Answer
  The correct answer is A .
• Question 326:

  Use the diagram to answer the question

  The vertebra illustrated is

  Options:
  A) lumber
  B) thoracic
  C) caudal
  D) cervical
  Show Answer
  The correct answer is B .
• Question 327: The Southern Guinea Savanna differs from the Northern Guinea Savanna in that it has Options:
  A) lower rainfall and shorter grasses
  B) less grasses and scattered trees
  C) more rainfall and taller grasses
  D) less arboreal and burrowing animals
  Show Answer
  The correct answer is C .
• Question 328: The greatest amount of energy will be obtained by the oxidation of 100kg of Options:
  A) meat
  B) butter
  C) sugar
  D) biscuits
  Show Answer
  The correct answer is B .
• Question 329: Which of the following is true of climax community? Options:
  A) it persists until the enviroment or climate changes
  B) it changes drastically from one year to the next
  C) it is first stage in succession
  D) It is made up of the tallest trees and the smallest
  Show Answer
  The correct answer is A .
• Question 330: The very bright colours in some types of mushroom Options:
  A) are warning that they may be poisonous
  B) indicate they are very taste
  C) attract potential transporters of the spores
  D) perform the same function as bright colours in flowers
  Show Answer
  The correct answer is A .