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 161: The habitat of the cysticercus of taenia solium is Options:
  A) Alimentary canal of cattle
  B) Muscles of pig
  C) Alimentary canal of pig
  D) Muscles of cattle
  Show Answer
  The correct answer is B .
• Question 162: Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of Options:
  A) insufficient glucose
  B) excess carbon dioxide
  C) excess protein
  D) insufficient oxygen
  Show Answer
  The correct answer is D .
• Question 163:
  

  What is the function of 3?

  Options:
  A) cutting of large piece of food
  B) seizure and tearing of prey
  C) Grinding of food
  D) Tearing of flesh only
  Show Answer
  The correct answer is B .
• Question 164: Plants survive hot dry conditions by Options:
  A) storing water in large parenchyma cells
  B) producing numerous leaves
  C) having numerous stomata
  D) having evergreen leaves
  Show Answer
  The correct answer is A .
• Question 165: Which of the following ecological factors are common to both terrestrial and aquatic habitats? Options:
  A) Rainfall, temperature and light
  B) Salinity, rainfall and altitude
  C) Tides, wind, rainfall and altitude
  D) pH, salinity, rainfall and humidity.
  Show Answer
  The correct answer is A .
• Question 166: The hygrometer is used for measuring Options:
  A) relative humudity
  B) specific gravity
  C) rainfall
  D) salinity
  Show Answer
  The correct answer is A .
• Question 167: In Mendelian inheritance, discontinuous characters are controlled by the Options:
  A) centromeres
  B) alleles
  C) chromosomes
  D) chromatids
  Show Answer
  The correct answer is C .
• Question 168: The carrier of the hereditary character in plants and animal is the Options:
  A) Cell
  B) Nucleus
  C) Chromosome
  D) Chloroplast
  E) Gene
  Show Answer
  The correct answer is C .
• Question 169: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 170:

  Which of the following best describes the concept of trophic levels in a functioning ecosystem?

  Options:
  A) The levels of ecological interactions within an ecosystem
  B) The levels of energy flow within an ecosystem
  C) The levels of nutrient cycling within an ecosystem
  D) The levels of biological diversity within an ecosystem
  Show Answer
  The correct answer is B .