EASY
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The grasshopper has mouthparts.

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Important Questions on Classification of Living Organisms

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Which of the following features is not present in the phylum Arthropoda?
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Which of the following features is not present in Periplaneta americana?
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Which of the following characteristics is mainly responsible for the diversification of insects on land?
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The chitinous exoskeleton of arthropods is formed by the polymerization of:
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Match the following columns and select the correct option.

  Column-I   Column-II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
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When the circulatory system lacks arteries, veins and capillaries, it is called as
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The exoskeleton of Arthropoda is made up of _____.

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The exoskeleton of insects is made up of a polysaccharide called _____.
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The organisms of class Mandibulata are characterized by the presence of _____.