Question

6. Give one word for the following. (a) The property of a living organism to emit light (b) File like rasping organs in Mollusca (c) Excretory organs of Annelids (d) Special organ which act as organ of defence in Cnidarians VPI​

Answer 1

A) Bioluminescence

B) Radula

c) Nephridia

D) Cnidocytes

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Answer 2

The one word for the following option are:

(a)Bioluminescence

(b)Radula

(c)Nephridia

(d)Cnidocytes

Explanation:

• Bioluminescence is the property possessed by living organisms by virtue of which these organisms can emit light, and the living organisms possessing this property are called bioluminescence.
• The radula is the anatomical structure used for feeding in most species of Mollusca.
• Nephridia are segmentally arranged excretory organs present in earthworms. On the basis of their location, three types of nephridia are found in earthworms.
• Cnidocytes, also known as stinging cells, are specialized neural cells that typify the phylum Cnidaria (sea anemones, corals, hydroids, and jellyfish).