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 171: In man, spermatozoa are never found in the Options:
  A) testis
  B) urethra
  C) epididymis
  D) prostrate glands
  E) vas deferens
  Show Answer
  The correct answer is D .
• Question 172: 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 173: Taenia solium can be found in Options:
  A) cow
  B) goat
  C) dog
  D) pig
  Show Answer
  The correct answer is D .
• Question 174: A population is defined as the collection of Options:
  A) Similar organism that are found in the same habitat
  B) Similar organisms that breed in the same habitat
  C) Similar organisms that interbreed freely in the same habitat
  D) Similar organism eating the same food
  E) Different organisms in the same habitat
  Show Answer
  The correct answer is C .
• Question 175: The scarcity of food causes a sudden decrease in population size by Options:
  A) decreasing the reproductive rate
  B) bringing about immigration
  C) raising the mortalility rate
  D) minimizing the rate of competition
  Show Answer
  The correct answer is C .
• Question 176: A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the Options:
  A) grasshopper is getting older
  B) environmental temperature is changing
  C) grasshopper is avoiding predation
  D) grasshopper is frequently moulting
  Show Answer
  The correct answer is C .
• Question 177:

  Which of the following best describes the concept of trophic levels in a functioning ecosystem?

  Options:
  A) The levels of ecological interactions within an ecosystem
  B) The levels of energy flow within an ecosystem
  C) The levels of nutrient cycling within an ecosystem
  D) The levels of biological diversity within an ecosystem
  Show Answer
  The correct answer is B .
• Question 178: Example of water-borne and sex linked diseases are Options:
  A) taeniasis and malaria
  B) cholera and gonorrhoea
  C) typhoid and syphilis
  D) dracunculiasis and haemophilia
  Show Answer
  The correct answer is D .
• Question 179: Mosses, liverworts and ferns can be grouped together because they Options:
  A) Are all aquatic plants
  B) All grow in deserts
  C) Are seedless plants
  D) Have undifferentiated plant bodies
  E) All produce colourless flowers
  Show Answer
  The correct answer is C .
• Question 180: A characteristic that distinguishes bryophytes from flowering plants is the Options:
  A) possession of true stems and leaves
  B) ability to reproduce asexually
  C) absence of vascular tisssues
  D) ability to grow in moist habitats
  Show Answer
  The correct answer is C .