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Standard XII
Biology
Phylum Arthropoda
Question

Number of fertilized eggs in ootheca of cockroach is
  1. 16 in two rows
  2. 10 in one row
  3. 8 in two rows
  4. 16 pairs in two rows

A
16 in two rows
B
10 in one row
C
8 in two rows
D
16 pairs in two rows
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Solution
Verified by Toppr

  • The secretions of collateral glands form the egg case or ootheca around the fertilized eggs in the oothecal chamber.
  • The ootheca is a dark reddish to the blackish-brown capsule.
  • It contains 16 eggs arranged in two rows.

Therefore, the correct answer is option B.

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