1. Tardigrade
  2. Question
  3. Biology
  4. Statement A: The secretion of collaterial gland forms the egg case in cockroach. Statement B: The development in cockroach is hemimetabolous.

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Q. Statement A: The secretion of collaterial gland forms the egg case in cockroach.
Statement B: The development in cockroach is hemimetabolous.

KCETKCET 2014Structural Organisation in Animals

Solution:

A pair of much branched accessory or colleterial gland lies behind and above the ovaries. Left gland is opaque and more developed while right one is transparent and less developed. Secretion of 2 colleterial glands form hard egg case around group of eggs. Development of cockroach is simple direct called paurometabolus.