Biology ยท Science General
Diversity in Living Organisms
3,829 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 of the following is NOT a type of animal model commonly used in learning and memory research?
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Rodents (e.g., mice, rats)
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Non-human primates (e.g., monkeys, apes)
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Invertebrates (e.g., fruit flies, worms)
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Birds (e.g., pigeons, songbirds)
Correct answer
Explanation
While rodents, non-human primates, and invertebrates are widely used in learning and memory research, birds are not typically employed as animal models in this field.
What is the name of the muscular structure that holds the two shells of a bivalve shellfish together?
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Adductor muscle
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Mantle
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Siphon
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Gill
A
Correct answer
Explanation
The adductor muscle is a powerful muscle that runs through the center of the bivalve shell, connecting the two halves. It is responsible for opening and closing the shell.
Which type of shellfish has a single, spiral-shaped shell?
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Bivalve
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Gastropod
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Cephalopod
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Crustacean
B
Correct answer
Explanation
Gastropods are a class of shellfish characterized by their single, spiral-shaped shell. Examples include snails, limpets, and abalone.
Which type of shellfish has a hard outer shell consisting of two hinged valves?
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Bivalve
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Gastropod
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Cephalopod
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Crustacean
A
Correct answer
Explanation
Bivalves are a class of shellfish characterized by their hard outer shell, which consists of two hinged valves. Examples include clams, oysters, and mussels.
Which type of shellfish has a segmented body and jointed appendages, such as claws and legs?
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Bivalve
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Gastropod
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Cephalopod
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Crustacean
D
Correct answer
Explanation
Crustaceans are a class of shellfish characterized by their segmented bodies and jointed appendages, such as claws and legs. Examples include crabs, lobsters, and shrimp.
Which of the following is a recent development in the study of animal minds?
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The use of neuroimaging techniques to study animal brains
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The development of new methods for communicating with animals
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The discovery of new animal species with unique cognitive abilities
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All of the above
D
Correct answer
Explanation
The use of neuroimaging techniques to study animal brains, the development of new methods for communicating with animals, and the discovery of new animal species with unique cognitive abilities are all recent developments in the study of animal minds.
What are some of the most common types of coral?
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Acropora
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Pocillopora
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Porites
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Montipora
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All of the above
E
Correct answer
Explanation
Acropora, Pocillopora, Porites, and Montipora are all common types of coral. Acropora is a branching coral that is often found in shallow water. Pocillopora is a massive coral that is often found in deeper water. Porites is a encrusting coral that is often found on rocks and other hard surfaces. Montipora is a plating coral that is often found in shallow water.
Which of the following is an example of a developmental constraint?
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The fact that all vertebrates have a backbone.
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The fact that all mammals have fur.
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The fact that all birds have wings.
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All of the above.
D
Correct answer
Explanation
The fact that all vertebrates have a backbone, all mammals have fur, and all birds have wings are all examples of developmental constraints.
What is the largest group of marine invertebrates?
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Crustaceans
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Mollusks
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Echinoderms
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Cnidarians
A
Correct answer
Explanation
Crustaceans, including crabs, shrimp, lobsters, and krill, represent the largest group of marine invertebrates in terms of species diversity and biomass.
Which of the following is NOT a type of animal communication?
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Visual communication
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Auditory communication
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Chemical communication
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Telepathy
D
Correct answer
Explanation
Telepathy is not a type of animal communication, as it involves the transmission of thoughts or information without the use of physical signals.
Which of the following is a type of protist found in India?
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Euglena
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Amoeba
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Paramecium
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All of the above
D
Correct answer
Explanation
Euglena, Amoeba, and Paramecium are all types of protists found in India.
Which of the following is an example of a protist that is a primary producer?
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Euglena
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Amoeba
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Paramecium
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Plasmodium
A
Correct answer
Explanation
Euglena is a type of protist that is a primary producer, meaning it can make its own food through photosynthesis.
Which of the following is an example of a protist that is a decomposer?
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Euglena
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Amoeba
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Paramecium
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Slime mold
D
Correct answer
Explanation
Slime mold is a type of protist that is a decomposer, meaning it breaks down dead organic matter into simpler substances.
Which of the following is an example of a protist that is a parasite?
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Euglena
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Amoeba
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Paramecium
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Plasmodium
D
Correct answer
Explanation
Plasmodium is a type of protist that is a parasite, meaning it lives in and feeds off of another organism.
Which of the following is a type of protist that is found in marine environments?
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Euglena
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Amoeba
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Paramecium
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Diatoms
D
Correct answer
Explanation
Diatoms are a type of protist that is found in marine environments.