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Q: In an earthworm the 14–16 segments are covered by a prominent dark band of glandular tissue called ............ .
  • A. Clitellum
  • B. Prostomium
  • C. Metamere
  • D. Setae
Correct Answer: Option A - In an Earthworm, the 14-16 segments are covered by a prominent dark band of glandular tissue called clitellum, which secrete mucus and albumen that help in formation of cocoon and is used for fertilization of eggs and sperm.
A. In an Earthworm, the 14-16 segments are covered by a prominent dark band of glandular tissue called clitellum, which secrete mucus and albumen that help in formation of cocoon and is used for fertilization of eggs and sperm.

Explanations:

In an Earthworm, the 14-16 segments are covered by a prominent dark band of glandular tissue called clitellum, which secrete mucus and albumen that help in formation of cocoon and is used for fertilization of eggs and sperm.