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 591: The part of the mammalian ear responsible for the maintenance of balance is the Options:
  A) cochlea
  B) pinna
  C) perilymph
  D) vestibular system
  Show Answer
  The correct answer is D .
• Question 592:

  The greatest influence on a stable ecosystem in nature is exerted by

  Options:
  A) man
  B) pollution
  C) animals
  D) rainfall
  Show Answer
  The correct answer is A .
• Question 593:

  A biome characterized by hot summer, warm winter and treeless vegetation is

  Options:
  A) Steppe grasslands
  B) Temperate deserts
  C) Savannah grassland
  D) Tropical deserts
  Show Answer
  The correct answer is A .
• Question 594: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .
• Question 595: A caterpillar and an aphid living in different parts of the same plant can be said to Options:
  A) occupy the same ecological niche
  B) be in different habitat
  C) occupy different ecological niche
  D) be in the same microhabitats
  Show Answer
  The correct answer is A .
• Question 596: The hereditary materials of the cell is Options:
  A) the R N A
  B) protein
  C) the D N A
  D) carbohydrate
  Show Answer
  The correct answer is C .
• Question 597:

  Which of the following mechanisms is responsible for providing support in plants?

  Options:
  A) Muscles and bones
  B) Exoskeleton
  C) Endocrine system
  D) Cell walls and turgor pressure
  Show Answer
  The correct answer is D .
• Question 598:

  

  Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

  Options:
  A) nucleolus
  B) cell wall
  C) cytoplasm
  D) mitochondrion
  Show Answer
  The correct answer is B .
• Question 599: The use and disuse of body parts and the inheritance of acquired traits were used to explain Options:
  A) Darwin's theory
  B) Lamarek's theory
  C) genetic drift
  D) gene flow
  Show Answer
  The correct answer is B .
• Question 600:

  Which of the following is not a transmitable character in plants

  Options:
  A) Habit of growth
  B) Resistance to environmental factors
  C) Life span
  D) Haemophilia
  Show Answer
  The correct answer is D .