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 611:

  

  The diagram represents the structure of

  Options:
  A) proteins
  B) chromosomes
  C) RNA
  D) DNA
  Show Answer
  The correct answer is D .
• Question 612:

  The basis of growth involves the following processes except

  Options:
  A) Cell reduction
  B) Cell division
  C) Cell enlargement
  D) Cell differentiation
  Show Answer
  The correct answer is A .
• Question 613:

  The function of ribosome in cells is

  Options:
  A) protein synthesis
  B) starch synthesis
  C) transport of material
  D) lipid storage
  Show Answer
  The correct answer is A .
• Question 614: The pollutants that contribute to the depletion of the ozone layer in the atmosphere are Options:
  A) radioactive materials
  B) oxides of sulphur
  C) oxides of carbon
  D) chlorofluorocarbons
  Show Answer
  The correct answer is D .
• Question 615: Drancunculiasis can be contacted through Options:
  A) eating contaminated food
  B) drinking contaminated water
  C) bathing in contaminated water
  D) bites of blackfly
  Show Answer
  The correct answer is B .
• Question 616:

  The movement of sugars from the leaf to other parts of plant is?

  Options:
  A) guttation
  B) transpiration
  C) transportation
  D) translocation
  Show Answer
  The correct answer is D .
• Question 617: Which of the following is a feature of the population pyramid of a developing country? Options:
  A) long lifespan
  B) low birth rate
  C) low death rate
  D) short lifespan
  Show Answer
  The correct answer is C .
• Question 618: The part of the brain that regulates most biological cycles in humans is Options:
  A) olfactory lobe
  B) optic lobe
  C) medulla oblongata
  D) pineal body
  Show Answer
  The correct answer is C .
• Question 619: The oxidative part of the respiratory process takes place in the Options:
  A) mitochondria
  B) ribosomes
  C) endoplasmic reticulum
  D) golgi bodies
  Show Answer
  The correct answer is A .
• Question 620: Mosses, liverworts and ferns can be grouped together because they Options:
  A) Are all aquatic plants
  B) All grow in deserts
  C) Are seedless plants
  D) Have undifferentiated plant bodies
  E) All produce colourless flowers
  Show Answer
  The correct answer is C .