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 121:

  The system of classification in which there are seven hierarchies from kingdom to species was introduced by?

  Options:
  A) Felix Dujardin
  B) Carolus Linneus
  C) Theodore Schwann
  D) Charles Darwin
  Show Answer
  The correct answer is B .
• Question 122:

  One of the following is a process of transmission of hereditary characteristics by chromosomes

  Options:
  A) Genes relating to the same character occupy identical locations on the chromosomes
  B) Separation of homologous chromosomes into four daughter cells
  C) Separation of gametes during fertilization
  D) Dictating the formation of a protein by a gene in a chromosome
  Show Answer
  The correct answer is D .
• Question 123: The mouth parts of the housefly are adapted for Options:
  A) Lapping and sponging
  B) Sucking and chewing
  C) Piercing and sucking
  D) Chewing and lapping
  E) Biting and chewing
  Show Answer
  The correct answer is A .
• Question 124: Kwashiorkor is caused by severe deficiency of Options:
  A) Water
  B) Oil
  C) Drugs
  D) Proteins
  E) Sugars
  Show Answer
  The correct answer is D .
• Question 125:

  The gland that is present close to Trachea

  Options:
  A) Pancreas
  B) Liver
  C) Adrenal
  D) Thyroid
  Show Answer
  The correct answer is D .
• Question 126: Root hairs are developed from the Options:
  A) root apex
  B) epidermis of root
  C) vascular bundles
  D) endodermis
  E) pericycle
  Show Answer
  The correct answer is B .
• Question 127: A phenomenon by which an animal goes into a state of dormancy during the dry season is called Options:
  A) hibernation
  B) aestivation
  C) incubation
  D) deactivation
  Show Answer
  The correct answer is B .
• Question 128:

  The order of passage of food in the digestive system is

  Options:
  A) ileum --> caecum ->large intestine -> rectum
  B) ileum --> colon --> caecum -> rectum
  C) large intestine --> ileum -> caecum -> rectum
  D) colon -> caecum -> ileum -> rectum
  Show Answer
  The correct answer is A .
• Question 129: A surprising fact about sickle cell disease is that it Options:
  A) affects only black people
  B) kills the patient
  C) is hereditary
  D) affects blood cells
  E) weakens the patient
  Show Answer
  The correct answer is C .
• Question 130: If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows Options:
  A) humus, clay, silt, sand, stones
  B) humus, silt, clay, sand, stones
  C) humus, clay,silt, stones, sand
  D) humus, sand, silt, clay, stones
  E) clay, humus, silt, sand, stones
  Show Answer
  The correct answer is A .