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 101:

  A group of organism of different species living in a particular area is described as a

  Options:
  A) colony
  B) community
  C) population
  D) niche
  Show Answer
  The correct answer is B .
• Question 102:

  Which of the following produces both hormones and enzymes?

  Options:
  A) Ileum
  B) Pancreas
  C) Gall bladder
  D) Kidney
  Show Answer
  The correct answer is B .
• Question 103: When an operculate fish breathes it takes in water through the Options:
  A) mouth and passes it out through the same way
  B) mouth and passes it out through the operculum
  C) operculum and passes it out through the mouth
  D) operculum and passes it out through the nostrils
  E) nostrils and passes it out through the operculum
  Show Answer
  The correct answer is B .
• Question 104: Lack of space in a population could lead to an increase in Options:
  A) water scarcity
  B) birth rate
  C) disease rate
  D) dought
  Show Answer
  The correct answer is C .
• Question 105:

  

  In the diagram, which of the following statement is true of the interaction

  Options:
  A) P aurelia is better adapted for obtaining food than P caudatum
  B) P caudatum is better adapted for obtaining food than P. aurelia
  C) both organisms cannot coexist
  D) both organisms cannot reproduce
  Show Answer
  The correct answer is C .
• Question 106: A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as Options:
  A) open
  B) haemocoelic
  C) single
  D) closed
  Show Answer
  The correct answer is D .
• Question 107: Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air Options:
  A) 4, 3, 2, 1
  B) 4, 3, 1, 2
  C) 3, 1, 4, 2
  D) 1, 2, 3, 4
  E) 3, 1, 2, 4
  Show Answer
  The correct answer is B .
• Question 108: 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 109: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .
• Question 110:

  Pentadactyl plan of the fore limbs of frog, bird, horse, whale and man is a proof of?

  Options:
  A) spontaneous generation
  B) evolution
  C) locomotion
  D) creation
  Show Answer
  The correct answer is B .