Animal Kingdom
- Metameric segmentation is the characteristic of
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Metameric segmentation means body is divided externally as well as internally. This characteristic is present in annelida (eg. earth worm) and arthropoda (eg. cockroach). Their body is divided externally and internally as well.
Correct Option: B
Metameric segmentation means body is divided externally as well as internally. This characteristic is present in annelida (eg. earth worm) and arthropoda (eg. cockroach). Their body is divided externally and internally as well.
- Biradial symmetry and lack of cnidoblasts are the characteristics of
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Aurelia, Hydra & Sea anemone have the characteristic cnidoblast cells.
Correct Option: A
Aurelia, Hydra & Sea anemone have the characteristic cnidoblast cells.
- Two common characters found in centipede, cockroach and crab are
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Jointed legs & chitinous exoskeleton are the common characters found in centipede, cockroach & crab.
Correct Option: A
Jointed legs & chitinous exoskeleton are the common characters found in centipede, cockroach & crab.
- What is true about Nereis, scorpion, cockroach and silver fish?
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Nereis (belonging to class polychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.
Correct Option: A
Nereis (belonging to class polychaeta of phylum Annelida), scorpion and cockroach (belonging to phylum arthropoda) and silver fish all have dorsal heart.
- Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
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Scorpion, spider and cockroach have ventral solid central nervous system. All three belongs to phylum
-Arthopoda.
— Spider belong to class-Archnida
— Scorpion belong to c1ass- Archnida
— Cockroach belong to class-InsectaCorrect Option: C
Scorpion, spider and cockroach have ventral solid central nervous system. All three belongs to phylum
-Arthopoda.
— Spider belong to class-Archnida
— Scorpion belong to c1ass- Archnida
— Cockroach belong to class-Insecta