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 1781: The vector of the malaria parasite is Options:
  A) female Aedes mosquito
  B) female Anophelous mosquito
  C) male Culex mosquito
  D) female Culex mosquito
  Show Answer
  The correct answer is B .
• Question 1782: A function of the hydrochloric acid produced in the human stomach during digestion is to Options:
  A) neutralise the effect of bile
  B) coagulate milk protein and emulsify fats
  C) stop the action of ptyalin
  D) break up food into smaller particles
  Show Answer
  The correct answer is C .
• Question 1783: Which of the following scenarios is an example of cohesion? Options:
  A) Water molecules stick to the surface of a mirror.
  B) Water sticks to the walls of blood vessels.
  C) Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
  D) Water molecules stick to one another and form a bead
  Show Answer
  The correct answer is D .
• Question 1784:

  The type of nutrition in which two organisms of different species live together and derive nutrients from each other is

  Options:
  A) symbiotic nutrition
  B) saprophytic nutrition
  C) holozoic nutrition
  D) holophytic nutrition
  Show Answer
  The correct answer is A .
• Question 1785: The outermost embryonic membrane in the mammal is the Options:
  A) amnion
  B) chorion
  C) allantois
  D) yolk sac
  Show Answer
  The correct answer is B .
• Question 1786:

  

  Use the diagram to answer the question. The diagram shows that the organisms are

  Options:
  A) hermaphrodite
  B) viviparous
  C) oviparous
  D) ovoviparous
  Show Answer
  The correct answer is C .
• Question 1787: The element common to protein carbohydrate and lipid is Options:
  A) hydrogen
  B) sulphur
  C) nitrogen
  D) phosphorus
  Show Answer
  The correct answer is A .
• Question 1788:

  

  Which of the labelled parts is the venga caval opening?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5
  Show Answer
  The correct answer is C .
• Question 1789: The organ which is sensitive to light in Euglena is the Options:
  A) gullet
  B) flagellum
  C) chloroplast
  D) eyespot
  Show Answer
  The correct answer is D .
• Question 1790: 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 .