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 2091:

  

  Use the diagram above to answer this question.

  With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

  Options:
  A) l,IV,II and lll
  B) IV, lll, ll and l
  C) l, ll, IV and lll
  D) lll, ll, IV and l
  Show Answer
  The correct answer is B .
• Question 2092:

  Which of the following represents the correct hierarchical organization of life from the smallest to the largest scale?

  Options:
  A) Organs, tissues, cells, organisms, populations, communities, ecosystems
  B) Cells, organs, tissues, organisms, populations, communities, ecosystems
  C) Tissues, organs, cells, organisms, populations, communities, ecosystems
  D) Cells, tissues, organs, organisms, populations, communities, ecosystems
  Show Answer
  The correct answer is D .
• Question 2093: In typical predator food chain involving secondary and tertiary consumers, the organism become progressively Options:
  A) smaller and more numerous along the food chain
  B) equal in number and size along the food chain
  C) larger and fewer along the food chain
  D) parasitized along the food chain as consumers get bigger
  Show Answer
  The correct answer is C .
• Question 2094: 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 2095: The path followed by air as it passes through the lungs in mammals is Options:
  A) bronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles
  B) bronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea
  C) trachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli
  D) trachea ⇢ bronchioles ⇢ bronchi ⇢alveoli
  Show Answer
  The correct answer is C .
• Question 2096:

  In an experiment to determine the percentage of humus and water in a soil sample, the following results were obtained

  Weight of the evaporating basin alone = 80.5g

  Weight of basin and soil = 101.5g

  Weight after drying the soil in the oven = 99.0g

  Weight of basin and roasted soil = 95.5g

  The percentage of humus in the soil sample is

  Options:
  A) 16.7%
  B) 17.6%
  C) 26.7%
  D) 16.2%
  Show Answer
  The correct answer is A .
• Question 2097: A bacteria that is spherically shaped is called? Options:
  A) diplobacillus
  B) coccus
  C) bacillus
  D) vibrio
  Show Answer
  The correct answer is B .
• Question 2098: A dry dehiscent fruit which breaks up into one-seeded part is a Options:
  A) schizocarp
  B) capsule
  C) follicle
  D) legume
  Show Answer
  The correct answer is A .
• Question 2099:

  

  Blood is pumped into the right ventricle by the contraction of the auricle wall through

  Options:
  A) 1
  B) 3
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 2100: Which of the following is NOT a function of the nucleus of a cell? Options:
  A) it translates genetic information for the manufacture of proteins
  B) it stores and carries hereditary information
  C) it is reservoir of energy for the cell
  D) it controls the life processes of the cell
  Show Answer
  The correct answer is C .