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 1811:

  The possession of chloroplast in Euglena virids enables it to

  Options:
  A) Store starch
  B) Carry out photosynthesis
  C) Reproduce
  D) Respond to light
  Show Answer
  The correct answer is B .
• Question 1812: The causative agent of typhoid fever is Options:
  A) salmonella
  B) entamoeba
  C) escherichia
  D) shigella
  Show Answer
  The correct answer is A .
• Question 1813: The F₁ of a cross between a tall and a dwarf plant was tall. The F₁ was advanced to F₂. How many of 120F₂ plants will be dwarf? Options:
  A) 30
  B) 60
  C) 90
  D) 120
  Show Answer
  The correct answer is A .
• Question 1814: The ratio of carriers to sicklers in the F₁ generation derived from a parental cross of two carriers of haemoglobin S gene is Options:
  A) 3 : 1
  B) 1 : 3
  C) 2 : 1
  D) 1 : 2
  Show Answer
  The correct answer is C .
• Question 1815: The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because Options:
  A) birds are generally bigger in size
  B) embryonic development is longer in birds
  C) those of birds are fertilized internally
  D) birds lay shelled eggs
  Show Answer
  The correct answer is B .
• Question 1816: Which of the following animals can exist solely on the water they get from food and metabolic reactions? Options:
  A) forest arboreal dweller
  B) Desert dwellers
  C) forest-ground dweller
  D) rainforest dwellers
  Show Answer
  The correct answer is B .
• Question 1817: which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing? Options:
  A) Medulla
  B) Cerebrum
  C) Cerebellum
  D) Pineal body
  E) Olfactory lobe
  Show Answer
  The correct answer is A .
• Question 1818: A person with type O blood can donate to a patient with type A because the donor's blood Options:
  A) lacks antigens
  B) lacks anti-A antibodies
  C) lacks anti-B antibodies
  D) has both anti-A and anti-B antibodies
  Show Answer
  The correct answer is A .
• Question 1819: A major adaptive feature of endoparasites is the Options:
  A) loss of the organ of movement
  B) presence of claws
  C) loss of the central nervous system
  D) presence of piercing mouthparts
  Show Answer
  The correct answer is D .
• Question 1820: Toads and lizards in an ecosystem depend on a limited quantity of food. This is an example of Options:
  A) parasitism
  B) intraspecific competition
  C) predation
  D) interspecific competition
  Show Answer
  The correct answer is D .