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 1901:

  

  In the diagram, the part labelled I represents the

  Options:
  A) stationary phase
  B) lag phase
  C) log phase
  D) steady phase
  Show Answer
  The correct answer is B .
• Question 1902: Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have Options:
  A) a large volume of surface area ratio
  B) a large surface area to volume ratio
  C) their bodies immersed in the nutrients
  D) their outer membrane made of cellulose
  Show Answer
  The correct answer is B .
• Question 1903: The micro-organisms that causes Typhoid disease is Options:
  A) trypanosome gambiense
  B) Salmonella typhi
  C) entamocbahistolytica
  D) plasmodium sp
  Show Answer
  The correct answer is B .
• Question 1904: 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 1905: The heart of the adult frog consist of Options:
  A) two auricles and two ventricles
  B) one auricle and one ventricle
  C) two ventricle and one auricle
  D) one ventricle and two auricles
  Show Answer
  The correct answer is D .
• Question 1906: Which of the following features are all associated with monocots? Options:
  A) Fibrous root system, branched network of veins and one seed leaf
  B) Fibrous root system, two seed leaves and floral parts in threes
  C) One seed leaf, petals in threes or group of thees and parallel venation of leaves
  D) One seed leaf, net-veined leaves and petals in threes or multiple of three
  Show Answer
  The correct answer is C .
• Question 1907: The mammalian pancreas is involved with the Options:
  A) digestion of food only
  B) digestion and absorption of food
  C) digestion of food and regulation of blood sugar
  D) digestion of food, production of hormone and the regulation of blood
  E) digestion of food, and the regulation of blood
  Show Answer
  The correct answer is D .
• Question 1908:

  

  In the diagram, the illustration is a typical example of a plant pollinated by

  Options:
  A) wind
  B) man
  C) insects
  D) birds
  Show Answer
  The correct answer is A .
• Question 1909:

  During mitosis, the stage at which chromosomes lines up around the equator is?

  Options:
  A) telophase
  B) metasphase
  C) anaphase
  D) prophase
  Show Answer
  The correct answer is B .
• Question 1910:

  Reading the verdict of a case by a magistrate is an example of

  Options:
  A) A reflex action
  B) An instinct
  C) A conditioned reflex
  D) A voluntary action
  Show Answer
  The correct answer is D .