Biology ยท Science General
Diversity in Living Organisms
3,323 Questions
The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.
Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification
Diversity in Living Organisms Questions
Which freshwater reptile is known for its ability to change color?
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Chameleon
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Iguana
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Gecko
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Snake
A
Correct answer
Explanation
Chameleons are known for their ability to change color to match their surroundings.
Which type of microorganism is commonly used in bioremediation of radioactive waste?
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Bacteria
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Fungi
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Algae
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Protozoa
A
Correct answer
Explanation
Bacteria are the most commonly used microorganisms in bioremediation due to their ability to degrade a wide range of contaminants, their rapid growth rate, and their ability to survive in harsh environments.
What is the significance of the unity of life?
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It helps us to understand the diversity of life on Earth.
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It helps us to understand the evolutionary history of life on Earth.
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It helps us to understand the relationship between different organisms.
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All of the above
D
Correct answer
Explanation
The unity of life is significant because it helps us to understand the diversity of life on Earth, the evolutionary history of life on Earth, and the relationship between different organisms. By understanding the unity of life, we can better understand the world around us.
Which of the following is NOT a type of soil organism?
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Bacteria
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Fungi
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Protozoa
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Nematodes
D
Correct answer
Explanation
Nematodes are not soil organisms, but rather small roundworms that live in soil and feed on other organisms.
Which of these is NOT a type of microorganism?
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Bacteria
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Viruses
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Fungi
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Plants
D
Correct answer
Explanation
Plants are multicellular organisms, while microorganisms are typically unicellular or acellular.
Which of the following is the smallest type of microorganism?
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Bacteria
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Viruses
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Fungi
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Protists
B
Correct answer
Explanation
Viruses are the smallest type of microorganism, consisting of genetic material enclosed in a protein coat.
Which of the following is an example of a protist?
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Amoeba
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Paramecium
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Euglena
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Yeast
A
Correct answer
Explanation
Amoeba is an example of a protist, a diverse group of eukaryotic microorganisms.
Which of the following is an example of a bacterium?
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Escherichia coli
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Salmonella
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Streptococcus
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Yeast
A
Correct answer
Explanation
Escherichia coli is an example of a bacterium, a type of prokaryotic microorganism.
If all dogs are mammals and all mammals are animals, then what can we conclude about dogs?
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Dogs are animals.
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Dogs are mammals.
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Dogs are reptiles.
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Dogs are birds.
B
Correct answer
Explanation
The syllogism uses the logical rules of deduction to establish that dogs, being a subset of mammals, must also be a subset of animals.
If no birds have teeth and all penguins are birds, what can we infer about penguins?
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Penguins have teeth.
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Penguins are mammals.
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Penguins do not have teeth.
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Penguins are reptiles.
C
Correct answer
Explanation
Since all birds lack teeth and penguins are a type of bird, it logically follows that penguins also lack teeth.
If all birds can fly and penguins are birds, what can we infer about penguins?
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Penguins cannot fly.
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Penguins are mammals.
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Penguins can fly.
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Penguins are reptiles.
C
Correct answer
Explanation
The syllogism establishes that penguins, being a subset of birds, must also possess the property of being able to fly.
If no dogs are cats and all cats are mammals, what can we conclude about dogs?
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Dogs are mammals.
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Dogs are not mammals.
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Dogs are cats.
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Dogs are reptiles.
B
Correct answer
Explanation
The syllogism establishes that dogs, being the opposite of cats, cannot be mammals.
Which of the following types of microorganisms is commonly involved in the bioremediation of petroleum hydrocarbons?
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Bacteria
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Fungi
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Algae
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Protozoa
A
Correct answer
Explanation
Bacteria are the most common type of microorganisms involved in the bioremediation of petroleum hydrocarbons. They possess enzymes that enable them to break down and utilize these compounds as a source of carbon and energy.
Which of the following is NOT a characteristic of the Saber-toothed Tiger?
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Enlarged canine teeth
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Short, powerful limbs
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Retractable claws
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Striped fur
D
Correct answer
Explanation
Saber-toothed Tigers did not have striped fur, unlike many modern-day big cats.
Which of the following is NOT a domain of life?
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Bacteria
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Archaea
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Eukarya
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Protista
D
Correct answer
Explanation
Protista is a kingdom within the domain Eukarya, not a separate domain of life.