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 611: The theory of survival of the fittest was propounded by ….. Options:
  A) Darwin
  B) Hooke
  C) Lamarck
  D) Linnaeus
  Show Answer
  The correct answer is A .
• Question 612: Toads and lizards in an ecosystem depend on a limited quantity of food. This is an example of Options:
  A) parasitism
  B) intraspecific competition
  C) predation
  D) interspecific competition
  Show Answer
  The correct answer is D .
• Question 613: The difference in structure, morphological and behavior of plant and animal is called Options:
  A) adaptation
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is C .
• Question 614:

  Mineral salts can be absorbed into roots by

  Options:
  A) Osmosis only
  B) Osmosis and diffusion
  C) Diffusion and active transport
  D) Imbition only
  Show Answer
  The correct answer is C .
• Question 615: Where is the energy produced in a cell? Options:
  A) Nucleus
  B) Nucleolus
  C) Lysosomes
  D) Chloroplast
  E) Mitochondria
  Show Answer
  The correct answer is E .
• Question 616:
  

  The female gamete is represented by

  Options:
  A) I
  B) II
  C) III
  D) Iv
  Show Answer
  The correct answer is C .
• Question 617: Which of the following diseases is NOT caused by a virus? Options:
  A) Rinderpest
  B) Maize rust
  C) Newcastle diseases
  D) Swine fever
  E) Cassava mosaic diseases
  Show Answer
  The correct answer is B .
• Question 618: Nitrifying bacteria are important because they Options:
  A) release nitrogen to the atmosphere
  B) convert atmospheric nitrogen to ammonia
  C) combine ammonia with nitrgen
  D) oxidize ammmonium salt to nitrates
  Show Answer
  The correct answer is D .
• Question 619:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 620: Gregor Mendel is regarded as the father of ______ Options:
  A) variation
  B) genetics
  C) mycology
  D) natural selection
  Show Answer
  The correct answer is B .