12 Questions
What process involves the chemical reactions that break down nutrient molecules in living cells to release energy?
Respiration
Which of the following is a characteristic shared by all bacteria?
Circular chromosome of DNA
What is the defining feature that distinguishes prokaryotes from eukaryotes?
Presence of a nucleus
Which term describes the ability of an organism to detect and respond to changes in the environment?
Sensitivity
What is the term for the removal of toxic materials and substances in excess of requirements from organisms?
Excretion
What is the main process by which organisms take in materials for energy, growth, and development?
Nutrition
Which type of organisms store carbohydrates as glycogen?
Animals
Which group of organisms do not have chloroplasts and cannot carry out photosynthesis?
Plants
What is the main structural difference between the cells of Plants and Animals?
Presence of cellulose cell walls
Which organism is responsible for causing malaria?
Plasmodium
What is the main reason why Viruses are considered not living organisms?
They have no cellular structure
Which group of organisms can carry out fermentation in the absence of oxygen?
Fungi
Test your knowledge on the unifying characteristics of living organisms, including movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition. Learn about the essential criteria that define all living organisms.
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