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 1731:

  

  Use the diagram above to answer this question.

  The experimental set-up above is used to demonstrate the process of

  Options:
  A) diffusion
  B) photosynthesis
  C) fermentation
  D) plasmolysis
  Show Answer
  The correct answer is C .
• Question 1732:

  In genetic counseling, a man with hemoglobin formation HbAHbS is most preferred to marry a woman of?

  Options:
  A) HbA HbA
  B) HbC HbH
  C) HbM HbF
  D) HbS HbS
  Show Answer
  The correct answer is A .
• Question 1733: Which of the following lists of diseases, their causes and transmission is CORRECT? Options:
  A) Cholera, virus, severe diarrhoea, infected water
  B) Malaria, protozoan, high fever, contact with infected person
  C) Syphilis, virus, veneral disease, sexual intercourse
  D) small pox, virus, skin with blister, close contact with infected person
  E) Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite
  Show Answer
  The correct answer is D .
• Question 1734: A corn differs from a bulb in that Options:
  A) its stem is the main food storage organ
  B) it has a flattened discshaped stem
  C) buds are absent in the axils of the leaves
  D) adventitious roots are present
  Show Answer
  The correct answer is A .
• Question 1735: Which of the following is likely to occur in a deciduous forest during the dry season? Options:
  A) New leaves are formed
  B) The trees die off
  C) The undergrowth increases
  D) The ground becomes bare
  Show Answer
  The correct answer is D .
• Question 1736: When it is cold, the blood vessels of the skin Options:
  A) dilates to increase the amount of blood flowing
  B) constrict to reduced the amount of blood flowing to the skin
  C) dilate to reduce the amount of blood flowing to the skin
  D) constrict to increase the amount of blood flowing to the skin
  Show Answer
  The correct answer is B .
• Question 1737: A characteristic that best exemplifies the evolutionary advancement of mammals over other vertebrates is the Options:
  A) vivparous mode of reproduction
  B) possession of paired limbs
  C) terrestrial mode of life
  D) possession of a heart
  Show Answer
  The correct answer is A .
• Question 1738: Which of the following is a major cause of variation among organisms? Options:
  A) Inbreeding
  B) Backcrossing
  C) Sexual reproduction
  D) Gene dominance
  Show Answer
  The correct answer is D .
• Question 1739: Which of the following performs similar functions? Options:
  A) Ascospores ans ascocarp
  B) Antherozoids and rhizoids
  C) sorus and indusium
  D) Strobili and inflorescence
  Show Answer
  The correct answer is C .
• Question 1740: Which of the following statements is not true of paramecium? Options:
  A) It is slipper-shaped
  B) The anterior end is blunt
  C) The gullet is lined with cilia
  D) It has an anal pore
  E) Its vacuole is stationary
  Show Answer
  The correct answer is E .