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 361:

  A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a

  Options:
  A) kingdom
  B) class
  C) family
  D) species
  Show Answer
  The correct answer is D .
• Question 362: The F₁ of a cross between a tall and a dwarf plant was tall. The F₁ was advanced to F₂. How many of 120F₂ plants will be dwarf? Options:
  A) 30
  B) 60
  C) 90
  D) 120
  Show Answer
  The correct answer is A .
• Question 363: The best method of propagating sugarcane is by Options:
  A) Seeding sowing
  B) Layering
  C) Grafting
  D) Stem cuttings
  Show Answer
  The correct answer is D .
• Question 364:

  

  In the figure above the structured labelled X is the

  Options:
  A) cellulose cell wall
  B) plasma membrane
  C) nuclear membrane
  D) mucilage wall
  E) ectoplasm
  Show Answer
  The correct answer is D .
• Question 365: Soil fertility can best be conserved by the activities of Options:
  A) Earthworm
  B) Man
  C) Rodent
  D) Microbes
  Show Answer
  The correct answer is D .
• Question 366:

  Cold blooded animals are referred to as

  Options:
  A) Poikilothermic
  B) Homothermic
  C) Polythermic
  D) Homeostatic
  Show Answer
  The correct answer is A .
• Question 367: Deamination occurs in the Options:
  A) kidney
  B) pancreas
  C) spleen
  D) liver
  Show Answer
  The correct answer is D .
• Question 368: Organisms in an ecosystem are usually grouped according to their trophic level as Options:
  A) carnivores and epiphytes
  B) consumers and parasites
  C) producers and consumers
  D) producers and saprophytes
  Show Answer
  The correct answer is C .
• Question 369: Which of these substance is likely to be deficient in the diet of a person having goitre? Options:
  A) potassuim
  B) calcium
  C) iodine
  D) sodium
  E) Phosphorus
  Show Answer
  The correct answer is C .
• Question 370:

  A population is best described as

  Options:
  A) A group of the same species of organisms living together
  B) A group of animals and plants living together
  C) A group of insects and grasses
  D) Different species of wild animals
  Show Answer
  The correct answer is A .