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 231:

  In which of the following vertebrates does the skin function as a respiratory surface

  Options:
  A) rat
  B) lizard
  C) fish
  D) frog
  Show Answer
  The correct answer is D .
• Question 232: An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is Options:
  A) pH
  B) oxygen
  C) light
  D) temperature
  Show Answer
  The correct answer is C .
• Question 233: A state in Nigeria that is most susceptible to desert encroachment is Options:
  A) Kwara
  B) Taraba
  C) Kaduna
  D) Katsina
  Show Answer
  The correct answer is D .
• Question 234: If a 26 year old blind man married a young one-eyed woman and they had four children, how many of them would be blind like there father? Options:
  A) All
  B) 3
  C) 2
  D) 1
  E) none
  Show Answer
  The correct answer is E .
• Question 235:

  Which of the following factors is not considered in a terrestial habitat?

  Options:
  A) Temperature
  B) Sunlight
  C) Humidity
  D) Turbidity
  Show Answer
  The correct answer is D .
• Question 236: The two normal types of sex chromosomes are Options:
  A) XXY and XYY
  B) XX and XYY
  C) XY and XXY
  D) XXand XY
  Show Answer
  The correct answer is D .
• Question 237:

  

  After 30 minutes, the level of sugar solution in the above figure will

  Options:
  A) rise in x only
  B) rise in Y only
  C) be the same in X and Y
  D) fall in Y
  Show Answer
  The correct answer is B .
• Question 238: The following group of plants is the most advanced except Options:
  A) bryophyte
  B) pteridophyta
  C) spermatophyte
  D) thallophytic
  Show Answer
  The correct answer is D .
• Question 239: The most important hormone that induces the ripening of fruit is Options:
  A) Ethylene
  B) Indole acetic acid
  C) Gibberallin
  D) Cytokinin
  Show Answer
  The correct answer is A .
• Question 240: A characteristic feature of tropical rainforest is that it Options:
  A) Contains trees with narrow leaves
  B) Contains large number of plant species
  C) Contains fewer number of plant species
  D) Has total annual rainfall of less than 50cm
  Show Answer
  The correct answer is B .