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 351: Which of the following is caused by Treponema palladium? Options:
  A) Gonorrhea
  B) Leprosy
  C) Tuberculosis
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 352: Strong short and concical beak to pick and crush seeds is an adaptive feature of Options:
  A) duck
  B) owl
  C) weaver bird
  D) hawk
  Show Answer
  The correct answer is C .
• Question 353:

  One of the following is not the theory of natural selection stated by Charles Dawin

  Options:
  A) Characteristics acquired through use or disuse are transmitted offspring
  B) Variations appear by themselves in a population
  C) Heredity variations are transmitted to offspring
  D) Species that are the fittest for the environment contribute more offsprings to the next needs of the generation
  Show Answer
  The correct answer is A .
• Question 354: Which of the following sets of organisms represents the correct trends from simple to complex structural organization? 1. Mollusca 2. Platyhelminthes 3. Nematoda 4. Protozoa Options:
  A) 4 → 1 → 2 → 3
  B) 4 → 3 → 2 → 1
  C) 4 → 2 → 1 → 3
  D) 4 → 2 → 3 → 1
  Show Answer
  The correct answer is C .
• Question 355: The number of alleles controlling blood groups in humans Options:
  A) 3
  B) 4
  C) 5
  D) 2
  Show Answer
  The correct answer is A .
• Question 356: The growth of a coleoptile towards unilateral light source is due to Options:
  A) rapid rate of photosynthesis
  B) unequal distribution of auxin
  C) the effect of geotropism
  D) the effect of photolysis
  Show Answer
  The correct answer is B .
• Question 357: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) operculum → gills → mouth
  B) gills → operculum → mouth
  C) mouth → operculum → gils
  D) mouth → gills → operculum
  Show Answer
  The correct answer is D .
• Question 358: The best explanation for the theories of natural selection is that Options:
  A) all organisms have equal capacity for survival in their habitats
  B) organisms have varying capacities for survival in their habitats
  C) organisms compete for resource and better competitors survive and thrive
  D) habitats allow only organisms that will not have to compete for survival
  Show Answer
  The correct answer is C .
• Question 359: The blood vessel which carries blood from the alimentary canal to the liver is the Options:
  A) hepatic artery
  B) hepatic vein
  C) hepatic portal vein
  D) mesenteric artery
  Show Answer
  The correct answer is C .
• Question 360: An example of an endospermous seed is Options:
  A) been seed
  B) cashew nut
  C) cotton seed
  D) maize grain
  Show Answer
  The correct answer is D .