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 1771: A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin? Options:
  A) AA
  B) OO
  C) AO
  D) AS
  E) SS
  Show Answer
  The correct answer is D .
• Question 1772: A severe deficiency of thyroxin results in Options:
  A) diabetes mellitus
  B) sexual underdevelopment
  C) cretinism
  D) gigantism
  Show Answer
  The correct answer is C .
• Question 1773: Which of the following describes a characteristic of arthropods? Options:
  A) The organism finds it easy to grow freely
  B) the organism has a pair of jointed appendages
  C) the body is not divided into a number of segments seg
  D) the body is covered by chitin
  Show Answer
  The correct answer is D .
• Question 1774: Which of the following organisms is both parasitic and autotrophic? Options:
  A) Sundew
  B) Lorathus
  C) Rhizopus
  D) Tapeworm
  Show Answer
  The correct answer is A .
• Question 1775:

  

  All the cell bodies in the spinal cord are found in

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 1776: The gland that releases hormones into the blood are part of the Options:
  A) digestive system
  B) endocrine system
  C) circulatory system
  D) respiratory system
  Show Answer
  The correct answer is B .
• Question 1777:

  Double fertilisation is a unique features of

  Options:
  A) Angiosperms
  B) Bryophytes
  C) Pteridophytes
  D) Algae
  Show Answer
  The correct answer is A .
• Question 1778: A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because Options:
  A) Amoeba lives in freshwater
  B) Diffusion is sufficient to transport materials in Amoeba
  C) Amoeba lacks blood containing haemoglobin
  D) Amoeba exibits anaerobic respiration
  Show Answer
  The correct answer is B .
• Question 1779: An ecological succcession often leads to Options:
  A) an increase in species diversity
  B) decrease in species diversity
  C) an unstable community
  D) the dispersal of species
  Show Answer
  The correct answer is A .
• Question 1780: To which blood group do universal recipients belong? Options:
  A) B
  B) A
  C) O
  D) AB
  Show Answer
  The correct answer is D .