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 1: Which of the following is caused by Treponema palladium? Options:
  A) Gonorrhea
  B) Leprosy
  C) Tuberculosis
  D) Syphilis
  Show Answer
  The correct answer is D .
• Question 2: The following are examples of a true fruit, except Options:
  A) mango
  B) oil palm
  C) orange
  D) pineapple
  Show Answer
  The correct answer is D .
• Question 3:

  

  In the experimental set-up, the rubber sheet represents the organ called

  Options:
  A) pleural cavity
  B) lungs
  C) diaphragm
  D) intercostal muscles
  Show Answer
  The correct answer is C .
• Question 4: A collection of achenes formed from several carpels of a flower is Options:
  A) a multiple fruit
  B) an aggregate fruit
  C) a shizocarp
  D) a simple fruit
  Show Answer
  The correct answer is C .
• Question 5: Heat produced in tissue respiration in plants is Options:
  A) a chemical form of energy
  B) the only form of energy
  C) the main form of energy
  D) a useful form of energy
  E) a waste form of energy
  Show Answer
  The correct answer is A .
• Question 6: In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m² quadrat. What is the density of the plants in the field? Options:
  A) 1.2 per m²
  B) 2.4 per m²
  C) 4.8 per m²
  D) 9.6 per m²
  Show Answer
  The correct answer is A .
• Question 7:

  Both recesssive and dominant characters are found

  Options:
  A) on different chromosome in the cell
  B) at the same logus of a homologous chromosome
  C) at a different loci of a homologous chromosome
  D) on the same chromatid in a chromosome
  Show Answer
  The correct answer is B .
• Question 8:

  Which of the following is a nitrifying bacterium?

  Options:
  A) Rhizobium
  B) Nictrobacter
  C) Azotobacter
  D) Pseudomonas
  Show Answer
  The correct answer is B .
• Question 9: The organ located within the duodenal loop in the mamal is the Options:
  A) spleen
  B) pancreas
  C) liver
  D) gall bladder
  Show Answer
  The correct answer is B .
• Question 10: The joint between the femur and tibia is known as ________? Options:
  A) hinge joint
  B) ball-and-socket joint
  C) pivot joint
  D) gliding joint
  Show Answer
  The correct answer is A .