Organism Quizzes & Trivia

Did you know that there are 8.7 million species of organisms on Earth? That’s quite a lot and that’s just an estimate. Even infection-causing bacteria which were the reason why the aliens died in the movie “War of the worlds” are organisms.

From unicellular to multicellular, as tiny as bacteria or as huge as blue whales, living organisms can be identified in a number of ways. What is the difference in a prokaryote and a eukaryote? Are you familiar with the lifespan of most organisms?

How do organisms interact with their environment? If you know the answers to these questions then you might be able to get a high score in our quizzes. Check out our quizzes now and prove your superiority, homo sapien!
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Different living organisms reproduce in different ways. Plants have their ways of reproduction while animals have theirs. All these are important biological concepts to study. The quiz below tests and advances your knowledge...

Questions: 15  |  Attempts: 4460   |  Last updated: Mar 8, 2018
  • Sample Question
    Testesterone, the male hormone is produced by _________.

Among many processes and systems in the human body, reproduction is one of the most important. Through it, we are able to get children. Good understanding of the reproduction is recommended to all. All the best.

Questions: 15  |  Attempts: 1908   |  Last updated: Feb 28, 2018
  • Sample Question
    A female produces immature ova in her ovaries while developing in her mother's womb. Between puberty and menopause, usually one ovum per month matures and is released. How many ova ultimately reach maturity?

A Phylum or Phyla constitutes the largest scientific grouping of life forms sharing the same general body plan or characteristics.  The classification of the animal kingdom is called Metazoa. So, let's try out the...

Questions: 10  |  Attempts: 3964   |  Last updated: Feb 8, 2019
  • Sample Question
    How many true phyla are there in the animal kingdom?

Time: 30 Minute

Questions: 15  |  Attempts: 1672   |  Last updated: Dec 22, 2014
  • Sample Question
    Fungus and algae both are placed under the same division “Thallophyta”.What is the reason that both share the same group?

What we have here are Biology Questions on Chapter 13 Organisms and Populations. The earth is made up of both living and nonliving things, and each has a role to play in our environment. If you are looking for a way to see just...

Questions: 15  |  Attempts: 896   |  Last updated: Sep 23, 2019
  • Sample Question
    Sunken stomata are found in:

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Organism Questions & Answers

What is the difference between Algae and Protozoa?
Algae and Protozoa are two examples of organisms that belong to the same kingdom. Both belong to the kingdom Protista. And since they are from the same kingdom, they are very similar based on some properties that are common between them. They are euk
What are the Tiny particles that reproduce inside of a living thing and are the basic unit of the body of the organism?
Viruses are harmful and are not basic.Bacteria are living organisms and they are harmless, they cooperate with your bodies most of the time.Please update this whoever the author is
A chemical which kills most pathogenic organisms, but does not kill spores.