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 451: Which of the following are adaptations of animals to aquatic habitats? Options:
  A) Gills, streamlined bodies and lateral lines
  B) Lateral line, streamlined bodies and lungs
  C) Gills, scaly skin and lungs
  D) Gills, streamlined bodies and spiracles
  Show Answer
  The correct answer is A .
• Question 452: Which of the following is NOT a function of the liver? Options:
  A) Regulation of blood sugar
  B) Storage of iron
  C) Formation of bile
  D) Breakdown of excess amino acids
  E) Excretion of urea from the blood
  Show Answer
  The correct answer is E .
• Question 453:

  Which of the following describes the function of lymph

  Options:
  A) Temperature regulation
  B) Production of antibodies
  C) Engulfing
  D) Body defence
  Show Answer
  The correct answer is D .
• Question 454: An accurate identification of a rapist can be carried out by conducting a Options:
  A) RNA analysis
  B) DNA analysis
  C) blood group text
  D) behavioural traits test
  Show Answer
  The correct answer is B .
• Question 455: The part of the mammalian skin involved in temperature regulation is the Options:
  A) sweat gland
  B) hair papilla
  C) hair follicle
  D) sebaceous gland
  Show Answer
  The correct answer is A .
• Question 456:

  

  The structure that holds the yolk in position is labelled

  Options:
  A) II
  B) I
  C) IV
  D) III
  Show Answer
  The correct answer is D .
• Question 457: The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the Options:
  A) stomata
  B) lenticels
  C) air space
  D) guard cell
  Show Answer
  The correct answer is D .
• Question 458: The Rhesus factor of blood was first identified in a category of Options:
  A) monkeys
  B) human females
  C) human males
  D) chimpanzees
  Show Answer
  The correct answer is A .
• Question 459:

  Mass of a crucible = 10g,

  Mass of a crucible and soil before heating =29g

  Mass of a crucible and soil after heating = 18g

  From the information above, determine the percentage of water in the given soil sample?

  Options:
  A) 20%
  B) 25%
  C) 40%
  D) 60%
  Show Answer
  The correct answer is D .
• Question 460: A plant-like feature in Euglena is the Options:
  A) pellicle
  B) pigment spot
  C) large spot
  D) gullet
  Show Answer
  The correct answer is B .