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 1791: In terms of the number of individuals, which of the following taxa is most inclusive? Options:
  A) order
  B) family
  C) class
  D) species
  Show Answer
  The correct answer is C .
• Question 1792: Which of these parts of the mammalian ears is directly concerned with the sense of balance? Options:
  A) Cochlea
  B) Eustachian tube
  C) Ear-drum
  D) Pinna
  E) Semicircular canals
  Show Answer
  The correct answer is E .
• Question 1793:

  

  In the diagram, the habitat of the organism is

  Options:
  A) slow moving streams and marshes
  B) the stomach of large mammals
  C) under leaf filter on forest floor
  D) the small intestine of large vertebrates
  Show Answer
  The correct answer is D .
• Question 1794: When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to Options:
  A) the addition of saccharin
  B) the addition of sugar
  C) the addition of whisky or local gin
  D) some complex hydrolytic reaction
  E) anaerobic respiration of an organism
  Show Answer
  The correct answer is E .
• Question 1795: If a person is bitten by a snake on the leg, it is advisable for him to Options:
  A) keep moving so that the venom will ooze out with bleeding
  B) Wash the wound with water containing antiseptic
  C) bandage the wound so that germs do not get in through it
  D) Keep still and apply a tourniquet above the wound
  Show Answer
  The correct answer is D .
• Question 1796: the part of the stomach nearer the gullet is called th Options:
  A) epiglottis
  B) cardiac spincter
  C) duodenum
  D) pyloric sphincter
  Show Answer
  The correct answer is B .
• Question 1797: A yellow maize is planted and all the fruits obtained are of yellow seeds. When they are croos-bred, yellow seeds and white seeds are obtained in a ratio 3:1 . The yellow seed is said to be Options:
  A) non-heritable
  B) sex-linked
  C) a recessive trait
  D) a dominant trait
  Show Answer
  The correct answer is D .
• Question 1798: One of the following statement is not true of viruses Options:
  A) They are micro-organisms
  B) They are smaller than bacteria
  C) They can be seen with an ordinary light microscope
  D) They cause tobacco disease
  E) They cause polio and smallpox
  Show Answer
  The correct answer is C .
• Question 1799:

  When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap,it?

  Options:
  A) remains unchanged
  B) takes tip water and burst
  C) absorbs a little water
  D) loses water and shrivels
  Show Answer
  The correct answer is D .
• Question 1800: Which of the following lists of organs is directly involved in nutrition? Options:
  A) Oesophagus, bronchus, stomach, pancreas and anus
  B) spleen, pharynx, duodenum, jejunum and rectum
  C) Teeth, oesophagus, ileum lungs and large intestine
  D) Salivary gland, liver, stomach, villi and colon
  Show Answer
  The correct answer is D .