Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2016
Exam
NEET
Year
2016
Subject
Zoology
Chapter
Structural Organisation in Animals

NEET 2016 · Zoology · Structural Organisation in Animals

Which of the following features is not present in Periplaneta...

Which of the following features is not present in Periplaneta americana?

Options

  1. ASchizocoelom as body cavity
  2. BIndeterminate and radial cleavage during embryonic development
  3. CExoskeleton composed of N-acetylglucosamine
  4. DMetamerically segmented body

Correct answer

B. Indeterminate and radial cleavage during embryonic development

Step-by-step solution

Periplaneta americana shows indeterminate and spiral cleavage.

The developing embryo of a cockroach is called nymphs. This nymph undergoes morphological change around 13 times to attain an adult form. Nymphs don’t have wings, but the last two changes develop a structure called a wing pad. This mode of cockroach development by various nymphal stages is called paurometabolous.

Practice Structural Organisation in Animals on Quantrex Academy →

More from Structural Organisation in Animals

Male frogs can be distinguished from female frogs due to the presence of : A. Bulging… NEET 2026Choose the correct statements regarding frog's anatomy : A. Hepatic portal system is the… NEET 2026In frogs, the number of pairs of cranial nerves arising from the brain are __________. NEET 2026What is the name of the blood vessel that carries deoxygenated blood from the body to the… NEET 2025In frog, the Renal portal system is a special venous connection that acts to link : NEET 2025Which of the following statement is correct about location of the male frog copulatory… NEET 2025Match List I with List II : array |l|l|l|l| & List - I & & List - II A. & Squamous… NEET 2024Which of the following is/are present in female cockroach? A. Collateral gland B.… NEET 2024 Full Structural Organisation in Animals list All NEET PYQs