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AIIMS 2001
Exam
AIIMS
Year
2001
Subject
Botany
Chapter
Animal Kingdom

AIIMS 2001 · Botany · Animal Kingdom

Class Crustacea has following features :

Class Crustacea has following features :

Options

  1. ACephalothorax, book lungs, chitinous exoskeleton
  2. BHead and thorax, biramous appendages, book lungs
  3. CHead and thorax, book lungs, chitinous exoskeleton
  4. DCephalothorax, biramous appendages, gills

Correct answer

D. Cephalothorax, biramous appendages, gills

Step-by-step solution

Crustaceans are mostly marine but a few live in freshwater or moist places. Body consists of cephalothorax and abdomen. Each body segment bears a pair of biramous appendages. Respiration occurs through body surface or gills. Excretion occurs through green glands. They bear two pairs of antennae.
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