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Year: 2021
Topic: Structural Organisation in Animals
9.
Following are the statements about prostomium
of earthworm.
(a) It serves as a covering for the mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below.
(a) It serves as a covering for the mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below.

