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 1851:

  Which of the following best describes the concept of trophic levels in a functioning ecosystem?

  Options:
  A) The levels of ecological interactions within an ecosystem
  B) The levels of energy flow within an ecosystem
  C) The levels of nutrient cycling within an ecosystem
  D) The levels of biological diversity within an ecosystem
  Show Answer
  The correct answer is B .
• Question 1852: The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as Options:
  A) free-central placentation
  B) axile placentation
  C) parietal placentation
  D) marginal placentation
  Show Answer
  The correct answer is C .
• Question 1853: In dissection, the rib cage of mammal has to be opened in order to expose the Options:
  A) diaphragm
  B) liver
  C) heart
  D) sternum
  Show Answer
  The correct answer is C .
• Question 1854: Banana, plantain and pineapple can be grouped together because they Options:
  A) produce small seeds
  B) are multiple fruit
  C) produce suckers
  D) have runners
  E) have bulbils
  Show Answer
  The correct answer is C .
• Question 1855:

  

  The structure labelled III represents the

  Options:
  A) mandible
  B) palp
  C) proboscis
  D) labium
  Show Answer
  The correct answer is C .
• Question 1856:

  

  The special name of the part labelled II is

  Options:
  A) gametangium
  B) hypha
  C) suspensor
  D) zygospore
  Show Answer
  The correct answer is B .
• Question 1857: Bacteria multiply rapidly by means of Options:
  A) budding
  B) fragmentation
  C) binary fission
  D) spore formation
  Show Answer
  The correct answer is C .
• Question 1858: The gas produced during tissue respiration can be identified by using Options:
  A) calcium hydroxide
  B) copper sulphate
  C) calcium carbonate
  D) sodium hydroxide
  Show Answer
  The correct answer is A .
• Question 1859: The depth of illumination in a water body can be measured with a Options:
  A) photometer
  B) secchi disc
  C) hydrometer
  D) anemometer
  Show Answer
  The correct answer is B .
• Question 1860: Some of the diseases caused by bacteria are Options:
  A) tuberculosis, gonorrhoea and syphilis
  B) tuberculosis, gonorrhoea and AIDS
  C) Poliomyelitis, syphilis and gonorrhoea
  D) AIDS, cholera and tuberculosis
  Show Answer
  The correct answer is A .