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 111: The mushroom is an organism which feeds Options:
  A) parasitically
  B) saprophytically
  C) holozoically
  D) symbiotically
  E) autotrophically
  Show Answer
  The correct answer is B .
• Question 112:

  The gland that is present close to Trachea

  Options:
  A) Pancreas
  B) Liver
  C) Adrenal
  D) Thyroid
  Show Answer
  The correct answer is D .
• Question 113: The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the Options:
  A) amnion
  B) uterus
  C) placenta
  D) umbilical cord
  E) fallopian tube
  Show Answer
  The correct answer is C .
• Question 114: Which of these substance is likely to be deficient in the diet of a person having goitre? Options:
  A) potassuim
  B) calcium
  C) iodine
  D) sodium
  E) Phosphorus
  Show Answer
  The correct answer is C .
• Question 115: The reproductive system of a male mammal is made up of Options:
  A) claspers, prostrate, gland, sperm duct and vas deferens
  B) testis, prostrate gland, sperm duct and vas deferens
  C) oviduct, urethra, testis and sperm duct
  D) testis, uterus, prostrate gland and sperm duct
  Show Answer
  The correct answer is B .
• Question 116: Which of the following animals has homodont dentition? Options:
  A) Rat
  B) Man
  C) Lizard
  D) Pigeon
  Show Answer
  The correct answer is C .
• Question 117:

  

  In the diagram, the part marked I will contain a high concentration of

  Options:
  A) ascorbic acid
  B) abscisic acid
  C) ethylene
  D) auxin
  Show Answer
  The correct answer is D .
• Question 118: Refrigeration, as a method of preservation, has ONE of the following characteristics: Options:
  A) Kills all the bacteria
  B) Kill most of the bacteria
  C) Makes the bacteria inactive
  D) Dries food
  E) Hydrolyses food
  Show Answer
  The correct answer is C .
• Question 119: The element nitrogen is utilized in Options:
  A) Formation of ATP
  B) Formation of glucose
  C) Formation of amino acid
  D) Photosynthesis
  E) None of the above
  Show Answer
  The correct answer is C .
• Question 120: In an agricultural ecosystem, the biotic component consists of Options:
  A) crop, pest and beneficial insects
  B) crops, temperature and humidity
  C) pests, beneficial insects and water
  D) crops, water and soil
  Show Answer
  The correct answer is A .