Question

Answer the following :

(i) What is the function of nephridia?

(ii) How many types of nephridia are found in earthworm based on their location?

Answer 1

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Function of Nephridia:-

• It removes metabolic wastes from an animal's body.

There are 3 types of Nephridia that are found in earthworm based on their location:-

• Septal Nephridia
• Integumentary Nephridia
• Pharyngeal Nephridia

Answer 2

Nephridia are the organs for animal excretion and osmoregulation.

Step by step explanation:

(i)

Nephridia is a tubule like structure and it is the organs for animal excretion and osmoregulation.

Example -earthworm.

(ii)

Nephridia in the earthworm are of three types based on their location, namely

• Pharyngeal nephridia
• Eptal nephridia
• Integumentary nephridia.