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 341: The host of Taenia Solium is _________ Options:
  A) cow
  B) pig
  C) sheep
  D) dog
  Show Answer
  The correct answer is B .
• Question 342:

  Which of the following is NOT regarded as a pollutanton land or in the air?

  Options:
  A) Smoke
  B) Nitrogen
  C) Noise
  D) Sulphur dioxide
  Show Answer
  The correct answer is B .
• Question 343:

  What is the term used to describe the maximum number of individuals of a species that an environment can support indefinitely?

  Options:
  A) Ecological niche
  B) Limiting factor
  C) Carrying capacity
  D) Density-dependent factor
  Show Answer
  The correct answer is C .
• Question 344:

  Which of the following is NOT true of wind-pollinated flowers?

  Options:
  A) A large amount of pollen produced
  B) Light smooth pollen grains
  C) Small inconspicuous flowers
  D) Scented petals
  E) Large pendulous anther
  Show Answer
  The correct answer is D .
• Question 345: In rhizopus carbohydrate is stored in the form of Options:
  A) Glucose
  B) Paramylon
  C) Glycogen
  D) Starch
  E) Oil
  Show Answer
  The correct answer is C .
• Question 346: The ability of living organism to detect and respond to changes in the environment is referred to as Options:
  A) locomotion
  B) irritability
  C) growth
  D) taxis
  Show Answer
  The correct answer is B .
• Question 347: I. High birth rate and high immigration rate II. Low birth rate and high immigration rate II. Low mortality rate and low emigration IV. High mortality rate and high emigration rate. Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements? Options:
  A) II and III
  B) I and III
  C) I and IV
  D) I and II
  Show Answer
  The correct answer is B .
• Question 348: Which of these organisms partly digest its food extracellularly? Options:
  A) Housefly
  B) Cockroach
  C) Termite
  D) Mosquito
  Show Answer
  The correct answer is C .
• Question 349: A severe deficiency of thyroxin results in Options:
  A) diabetes mellitus
  B) sexual underdevelopment
  C) cretinism
  D) gigantism
  Show Answer
  The correct answer is C .
• Question 350: When bacteria swim from cold to warm regions this is known as Options:
  A) negative chemotaxis
  B) positive thermotaxis
  C) positive phototaxis
  D) negative phototaxis
  Show Answer
  The correct answer is B .