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 1911: The crayfish is an arthropod because Options:
  A) its body consist of a cephalothorax and an abdomen
  B) it has a pair each of antennae and antennules
  C) every segment of its body carries a pair of appendages
  D) its body is covered with an exoskeleton made of chitin
  Show Answer
  The correct answer is D .
• Question 1912:

  Which of the following is evidence of evolution?

  Options:
  A) All of the above.
  B) Similarities in embryonic development
  C) Fossils of extinct organisms
  D) Homologous structures in different species
  Show Answer
  The correct answer is A .
• Question 1913: 5 g of oven dried soil was heated in a furnace for 24 hours. After cooling, it weighed 4.8 g. What is the amount of humus in the soil? Options:
  A) 40.0g per 100 g dry soil
  B) 4.4g per 100g dry soil
  C) 4.0 g per 100g dry soil
  D) 0.4g per 100g dry soil
  Show Answer
  The correct answer is C .
• Question 1914:

  

  The structure responsible for trapping the sun's energy during photosynthesis is

  Options:
  A) 5
  B) 6
  C) 3
  D) 2
  E) 8
  Show Answer
  The correct answer is C .
• Question 1915: Which of the following statements gives the BEST description of bark? Options:
  A) Tissue outside the vascular cambium
  B) Cork-like tissue found only in stems
  C) Brown tissue never found in primary growth
  D) Cork-like tissues of old trees
  Show Answer
  The correct answer is B .
• Question 1916:

  

  Why is the part labelled 5 thicker than 6?

  Options:
  A) 5 is the left ventricle and 6 the right ventricle
  B) 6 is the left ventricle and 5 the right ventricle
  C) 5 receives blood from the left auricle and 6 from the right
  D) 5 pumps blood round the body and 6 pumps blood into the lungs
  E) 5 deals with oxygenated blood and 6 deals with deoxygenated blood
  Show Answer
  The correct answer is D .
• Question 1917: In the mammalian kidney, the Bowman''s capsules is located in the Options:
  A) ureter
  B) pelvis
  C) cortex
  D) medulla
  Show Answer
  The correct answer is C .
• Question 1918: Thyroxine and adrenalin are examples of hormones which control Options:
  A) blood grouping
  B) tongue rolling
  C) behavioural patterns
  D) colour variation
  Show Answer
  The correct answer is C .
• Question 1919: The organ which is sensitive to light in Euglena is the Options:
  A) gullet
  B) flagellum
  C) chloroplast
  D) eyespot
  Show Answer
  The correct answer is D .
• Question 1920: The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the Options:
  A) sweet glands
  B) sebaceous glands
  C) fatty cells
  D) granular layer
  Show Answer
  The correct answer is B .