Question

Fill up the blank spaces in the table below by selecting the correct option.

Phylum/ Class	Excretory organ	Circulatory system	Respiratory organ
Arthropoda	A	B	Lungs/Gills/ Tracheal system
C	Nephridia	Closed	Skin
D	Metanephridia	Open	E

• A. Green gland - Closed - Mollusca - Annelida - Tracheal system
• B. Malpighian tubules - Open - Annelida - Mollusca - Feather like gills
• C. Antennary glands - Open - Porifera - Amphibia - Lungs
• D. Nephridia - Closed - Mollusca - Annelida - Lungs

Answer 1

Answer: (B)

Correct answer is (b) Malpighian tubules - Open - Annelida - Mollusca - Feather like gills