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 1361: What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism? Options:
  A) Habitat
  B) Biome
  C) Ecosystem
  D) Ecological niche
  Show Answer
  The correct answer is C .
• Question 1362: The population density of Tridex in an abandoned square farm land of side 200 m was found to be 5 plants per m². The population size of the plant on the farm is Options:
  A) 40
  B) 1000
  C) 40000
  D) 200000
  Show Answer
  The correct answer is D .
• Question 1363: The response shown by the tips of the root and shoot of a plant to the stimulus of gravity is Options:
  A) haptotropism
  B) phototropism
  C) hydrotropism
  D) geotropism
  Show Answer
  The correct answer is D .
• Question 1364: A plant which grows on another plant without apparent harm to the host plant is called Options:
  A) a parasite
  B) an epiphyte
  C) a saprophyte
  D) a predator
  E) a hermaphrodite
  Show Answer
  The correct answer is B .
• Question 1365: Parental care is exhibited by Options:
  A) snails
  B) earthworms
  C) birds
  D) toads
  Show Answer
  The correct answer is C .
• Question 1366: The oxidative part of the respiratory process takes place in the Options:
  A) mitochondria
  B) ribosomes
  C) endoplasmic reticulum
  D) golgi bodies
  Show Answer
  The correct answer is A .
• Question 1367:

  Which of the blood corpusles are irregular and amoeloid in shape

  Options:
  A) Leucocytes
  B) Erythrocytes
  C) Thrombocytes
  D) Plasma
  Show Answer
  The correct answer is A .
• Question 1368:

  

  What would happen if solution Y is more concentrated than solution X in fig 2?

  Options:
  A) The level of X would rise, Y would falls
  B) The level of X would rise, Y would rise
  C) The level of X and Y stands the same
  D) The level of Y would rise, X would fall.
  Show Answer
  The correct answer is D .
• Question 1369: one of the adaptation of life on trees by a monkey is its possession of digits which are Options:
  A) extensible
  B) big
  C) opposable
  D) long
  Show Answer
  The correct answer is C .
• Question 1370:

  

  In the diagram, the illustration is a typical example of a plant pollinated by

  Options:
  A) wind
  B) man
  C) insects
  D) birds
  Show Answer
  The correct answer is A .