Non-Chordates

IMPORTANT

Non-Chordates: Overview

This Topic covers sub-topics such as Ascaris, Phylum Platyhelminthes, Bioluminescence, Pila, Phylum Mollusca, Balanoglossus, Sycon, Phylum Arthropoda, Phylum Ctenophora, Phylum Cnidaria, Phylum Porifera, Physalia, Nereis, Asterias and, Hirudinaria

Important Questions on Non-Chordates

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Hydra recognizes its prey by

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Which of the following is the common name of Asterias?

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What do you know about pleurobrachia?

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The organisms of which of the following phylum use radula for feeding purposes?

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What is radula?

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_____ (Odontophore/Nematophore) supports radula in the organisms of phylum Mollusca.

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Syncoid canal system is present in _____ (Sycon/Nereis).

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Draw a diagram of Sycon.

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What is the common name of Scypha? (Crown sponge/Nereis)

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Sycon belongs to the class Calcarea.

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Nereis exhibits internal fertilisation.

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_____ (Tube feet/Parapodia) help in the swimming process of Nereis.

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Which of the following is the larval stage of Nereis?

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Trochophore is the larval stage of Nereis.

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_____ (Water vascular/Immune) system regulates locomotion, food capturing and respiration in Echinodermata?

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Which of the following process is not mediated by the water vascular system in Echinodermata?

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_____ (Echinodermata/Arthropoda) have a water vascular system in their body.

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Which of the following phylum contains water vascular system?

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Water vascular system is observed in Annelids.

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Which part of mollusca contains all the internal organs?