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 1191:

  

  Starch is usually stored in the part labelled

  Options:
  A) I
  B) II
  C) III
  D) Iv
  Show Answer
  The correct answer is B .
• Question 1192: 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 1193:

  Albinism is an expression of trait controlled by

  Options:
  A) Chromosomes
  B) Recessive genes
  C) Dominant genes
  D) Mutation
  Show Answer
  The correct answer is B .
• Question 1194: In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to Options:
  A) neutralize the acid in water
  B) supply mineral salt to water plant
  C) supply carbondioxide for photosynthesis
  D) kill micro-organisms in water
  Show Answer
  The correct answer is B .
• Question 1195:

  Thunderstorm can be beneficial to plants because it

  Options:
  A) adds line to the soil
  B) kills the pest that attacks crops
  C) destroys some of the major crops
  D) adds nitrate to the soil
  Show Answer
  The correct answer is D .
• Question 1196: The level of organism in spirogyra and volvox is Options:
  A) organ
  B) system
  C) cell
  D) Tissue
  Show Answer
  The correct answer is C .
• Question 1197:

  

  The bone labelled X in the figure above is the

  Options:
  A) ulna
  B) fibula
  C) radius
  D) humerus
  E) tibia
  Show Answer
  The correct answer is D .
• Question 1198:

  Which of the following options correctly identifies excretory organs in animals?

  Options:
  A) Stomach, intestines, and bladder
  B) Lungs, kidneys, and skin
  C) Brain, spinal cord, and nerves
  D) Heart, liver, and spleen
  Show Answer
  The correct answer is B .
• Question 1199: Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers Options:
  A) 2 → 1 → 4 → 3 → 5
  B) 5 → 4 → 3 → 2 → 1
  C) 2 → 4 → 5 → 1 →3
  D) 3 → 2 → 4 → 5 → 1
  E) 4 → 3 → 2 → 5 → 1
  Show Answer
  The correct answer is E .
• Question 1200:

  Trees in Savanna habitats usually have thick bark which mainly.

  Options:
  A) Reduces the rate of transpiration
  B) Protect them from scorching sun
  C) Protect them from heavy winds
  D) Resist bush fires
  Show Answer
  The correct answer is A .