Question

Respiratory organ present in spider is

• A. Skin
• B. Gills
• C. Book lungs
• D. All of these

Answer 1

The correct option is C

Book lungs

The correct option is C.

The explanation for the correct option:

1. The spiders are classified as Arachnids, the members of which have book lungs as their respiratory organs.
2. The book lung is a collection of hard pockets in the lower abdomen where gas is dispersed between the hemolymph circulating within the lamellae.

The explanation for correct options:

Option A:

1. Many invertebrates, such as earthworms, use their skin as a respiratory organ.

Option B:

2. Amphibians and fish have gills as their respiratory system.

Option D:

3. It is incorrect because the book lungs are the respiratory organ of spiders.

Final Answer: The respiratory organ present in the spider is the book lungs.