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Standard IX
Biology
Coelenterata
what is the d...
Question
what is the difference between protonephridia and nephridia?
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Q.
Arrange the following on the basis of evolution of excretory structure.
Nephridia, Protonephridia, Kidneys, Malphigian tubules, Green glands.
Q.
The difference between integumentary and pharyngeal nephridia
relates to
Q.
Different types of excretory structures and animals are given below. Match them appropriately and mark the correct answer:
Excretory Structure / Organ
Animals
A
Protonephridia
1
Prawn
B
Nephridia
2
Cockroach
C
Malpighian tubules
3
Earthworm
D
Green gland
4
Flatworms
Q.
what is nephridia
Q.
Protonephridia are present in platyhelminthes and metanephridia in
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