NR 150 Final Exam Questions and answers | With complete solution 2024/25

NR 150 Final Exam Questions and
answers | With complete solution
2024/25
Seaweeds are not plants ll ll ll



a. true
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b. false - Correct Answers true
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How are seaweeds classified?
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a. size
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b. photosynthetic accessory pigments
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c. habitat
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d. salinity tolerance
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e. type of holdfasts - Correct Answers photosynthetic accessory pigments
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which characteristics distinguishes most dinoflagelletes from datoms and
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ceccolithophores?
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a. frustale
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b. auxospore
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c. flagella
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d. cilia
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e. cocoliths - Correct Answers flagella
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what is a frutale?
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a. the rigid cell call of a coccolithophore
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b. the rigid cell wall of a datom
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c. a microscopic phage that attacks diatoms
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d. a small appendage on a dinoflagellate
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e. the photosynthetic center of the bacteria - Correct Answers the rigid cell wall of a
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diatom
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What needle-like structure provides a skeletal network for a sponge?
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a. cnidoblasts
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b. polyps
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c. spicules
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d. zooxanthellae
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e. mesoglea - Correct Answers spicules
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What classification describes a group of animals that share similar architecture, level of
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complexity, and evolutionary history?
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a. order
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b. phylum
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c. family
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, d. genus
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e. kingdom - Correct Answers phylum
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A(n) _____ is a multicellular organism unable to synthesize its own food and often capable
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of movement.
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a. autotroph
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b. animal
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c. diatom
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d. phytoplankton - Correct Answers animal
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_____ are generally soft-bodied animals that lack a rigid internal skeleton for the
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attachment of muscles, but many possess some sort of hard, protective outer covering
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a. vertebrates
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b. invertebrates
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c. chordates
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d. all of the above - Correct Answers invertebrates
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Nautiluses, octopuses, and squid belong to which class?
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a. cephalopoda
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b. bivalia
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c. gastropoda
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c. mollusca
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d. crustacea - Correct Answers cephalopoda
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What do squid use as a decoy defense mechanism?
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a. cnidoblasts
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b. internal shells
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c. coagulated ink
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d. propulsion
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e. toxin excretion - Correct Answers coagulated ink
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Which phylum is located exclusively in marine habitats?
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a. mollusca
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b. arthropoda
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c. echinodermata
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d. annelida
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e. nematoda - Correct Answers echinodermata
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Which of the following do not belong Phylum Echioderma?
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a. brittle stars
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b. sea cucumbers
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c. sand dollars
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d. nautiluses
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e. holothuridea - Correct Answers nautiluses
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ll what flying bird has the longest wingspan - Correct Answers wandering albatross
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