Question : Select the incorrect statement about Phylum Arthropoda.
Option 1: Class Insecta is the largest class of Phylum Arthropoda.
Option 2: Lignin is the main component of the exoskeletons of Arthropods.
Option 3: Over 85% of all known animal species are Arthropods.
Option 4: Phylum Arthropoda comprises a wide diversity of animals with hard exoskeletons and jointed Appendages.
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Correct Answer: Lignin is the main component of the exoskeletons of Arthropods.
Solution : The correct option is Lignin is the main component of the exoskeletons of arthropods.
The exoskeleton of the Arthropod is made of chitin, not lignin.
Some features of arthropods are:
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Question : Red data book contains data of which of the following?
Question : Identify the animal that is not a non-chordate.
Question : Identify the animal that does not have bilateral symmetry.
Question : In which of the following animal phyla, is the body divided into head, thorax and abdomen?
Question : Which of the following animals have a single opening in their digestive system that serves both as a mouth and an anus?
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