Animal Kingdom
- Which one assists in locomotion?
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Hirudinaria (leech), does not possesses setae or parapodia for locomotion. Its posterior sucker helps in locomotion.
Correct Option: D
Hirudinaria (leech), does not possesses setae or parapodia for locomotion. Its posterior sucker helps in locomotion.
- A common characteristic of all vertebrates is
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Vertebrates are also known as craniata due to presence of skull in all its members.
Correct Option: A
Vertebrates are also known as craniata due to presence of skull in all its members.
- All chordates possess
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All chordate possess: — Notochord at some stage of life — Dorsal tubular nervous system — Pharyngeal gill slits at same stage of life cycle.
Correct Option: D
All chordate possess: — Notochord at some stage of life — Dorsal tubular nervous system — Pharyngeal gill slits at same stage of life cycle.
- Tube feet occur in
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Tube feet is the locomotory organ that occurs in star fishes.
Correct Option: B
Tube feet is the locomotory organ that occurs in star fishes.
- Point out the non-parasite
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Sea anemone (Adamsia) is marine animal attached to the empty shell of gastropods occupied by hermit crab. They live as symbionts, not as parasites.
Correct Option: D
Sea anemone (Adamsia) is marine animal attached to the empty shell of gastropods occupied by hermit crab. They live as symbionts, not as parasites.