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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

What is common between the cockroach and crab?

Options

  1. AMalpighian tubules as excretory organ
  2. BDouble ventral nerve cord
  3. CNon-chitinous cuticle
  4. D3 pairs of jointed legs

Correct answer

B. Double ventral nerve cord

Step-by-step solution

Malpighian tubules as excretory organs are found in cockroach but in crabs, green glands or antennal glands are found. Both cockroach and crab are arthropods and possess chitinous cuticle. 3 pairs of jointed legs are found in cockroach while 5 pairs of jointed legs in crab.

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