HORTICULTURE SCIENCE
INSECT PESTS OF FRUITS PLANTATION MEDICINAL AROMATIC CROPS VEGETABLE ORNAMENTAL AND SPICE CROPS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is a characteristic of an insect?
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Two pairs of antennae
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Two body segments
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Four pairs of legs
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Two pairs of wings
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Explanation:
Detailed explanation-1: -Insect wings are living, flexible structures composed of tubular veins and thin wing membrane. Wing veins can contain hemolymph (insect blood), tracheae, and nerves.
Detailed explanation-2: -Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel.
Detailed explanation-3: -Like houseflies, horseflies, crane flies, and hoverflies also have one pair of wings.
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