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 331: The function of the clitellum in the earthworm is to Options:
  A) aid digestion
  B) prevent desiccation
  C) assist locomotion
  D) secrete cocoon
  Show Answer
  The correct answer is D .
• Question 332: The host of liver flake are ______? Options:
  A) pig and snail
  B) pig and sheep
  C) sheep and snail
  D) pig
  Show Answer
  The correct answer is B .
• Question 333: Which of the following is INCORRECT? The prothallus of a fern Options:
  A) Is flattened heart-shaped structure
  B) Is green because its cells contain chloroplasts
  C) Is the dominant plant
  D) Bears the sexual organ
  E) Is attached to the ground by numerous rizoids
  Show Answer
  The correct answer is C .
• Question 334: The loud cry made by a brooding hen when a predator is around is meant to Options:
  A) alert the poultry attendants
  B) attract cocks to come and fight the predator
  C) advertise the boundaries of its territory to intruders
  D) warn its chicks and other chickens of impending danger
  Show Answer
  The correct answer is D .
• Question 335: The spots and stripes of the leopard and tiger are example of Options:
  A) cryptic colouration
  B) warning colouration
  C) disruptive colouration
  D) counter shading
  Show Answer
  The correct answer is C .
• Question 336: One of these is used for excretion in earthworm Options:
  A) Contractile vacuole
  B) Flame cell
  C) Malpighian tubule
  D) Nephridium
  Show Answer
  The correct answer is D .
• Question 337: Which of the following statements about the rate of transpiration is INCORRECT? It is Options:
  A) Dependent on temperature
  B) Affected by changes in light intensity
  C) Unaffected by humidity
  D) Dependent on air movement
  E) Affected by availability of water
  Show Answer
  The correct answer is C .
• Question 338: A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was Options:
  A) Glucose
  B) Maltose
  C) Fructose
  D) Sucrose
  E) Lactose
  Show Answer
  The correct answer is D .
• Question 339: The importance of the mouth-brooding behaviour in Tilapia is that it Options:
  A) helps in keeping the young fish warm
  B) affords protection from predation for the young fish
  C) helps the fish to live in a social group
  D) provides regurgitated nourishment to the young fish
  Show Answer
  The correct answer is B .
• Question 340: The absence of stomata shows that a leaf may be Options:
  A) from a floating plant
  B) from submerged plant
  C) varigated
  D) from a terrestrial plant
  E) from parasitic green plant
  Show Answer
  The correct answer is B .