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 731: The soil type that will be most difficult to plough in a wet season is one that is Options:
  A) loamy
  B) clayey
  C) sandy
  D) silty
  Show Answer
  The correct answer is B .
• Question 732:

  

  Use the diagram above to answer this question.

  In which plantation are all the trees between the height of 2-4m?

  Options:
  A) lll
  B) ll
  C) l
  D) lV
  Show Answer
  The correct answer is A .
• Question 733: The main function of the choroid is Options:
  A) protection of the eye ball
  B) transmission of light
  C) supply of nutrient to tissue of the eye
  D) converging light
  Show Answer
  The correct answer is C .
• Question 734:

  Which of the following statement is correct about Southern Guinea Savanna in Nigeria

  Options:
  A) It is the largest of all the biotic community in Nigeria
  B) It has plants species like Iroko, Opepe etc
  C) It has plants species like Iroko, Opepe etc
  D) It has no trees
  Show Answer
  The correct answer is A .
• Question 735: Which of the following statements about the rate of transpiration is INCORRECT? It is Options:
  A) Dependent on temperature
  B) Affected by changes in light intensity
  C) Unaffected by humidity
  D) Dependent on air movement
  E) Affected by availability of water
  Show Answer
  The correct answer is C .
• Question 736:

  The membrane around the vacuole is known as

  Options:
  A) Elaioplast
  B) Amyloplast
  C) Tonoplast
  D) Cytoplast
  Show Answer
  The correct answer is C .
• Question 737: What is the genetic ratio of the F₂ generation if members of F generation are allowed to self-pollinate? Options:
  A) 1 tall : 3 short
  B) 3 tall : 1 short
  C) 1 tall : 1 short
  D) 4 short : 0 tall
  E) 4 tall : 0 short
  Show Answer
  The correct answer is B .
• Question 738: The type of reproduction that is common to both Hydra and yeast Options:
  A) conjugation
  B) binary fission
  C) grafting
  D) budding
  Show Answer
  The correct answer is D .
• Question 739:

  Which of the following relationship involves only one organism?

  Options:
  A) Saprophytism
  B) Commensalism
  C) Parasitism
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 740: The slender, long and slightly curved beak of the sun-bird is an adaptation for breeding for feeding on Options:
  A) nectar
  B) small seeds
  C) big seeds
  D) insects
  Show Answer
  The correct answer is A .