NEET Biology Animal Kingdom Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

Animal Kingdom Topic Based

Question & Answer Discuss:

Which type of respiratory organs are present in spiders and scropions?

(a) Gills

(b) Book lungs

(c) Gill books

(d) Lungs

Answer: (b)

In scorpion and spiders the respiratory organs are book lungs. They are named so because their folds resemble the leaves in a book. In this the exchange of gases takes place between the air of interlamellar spaces and the venous blood through the thin membranous walls of the lamellae.

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