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Which of the following statement is/are incorrect in refer one to earthworms? I. They are soft and naked and hence, cannot survive in the dry earth II. They respire through the nasal openings III. They decaying organic matter of the soil forms their chief food IV. Rain makes the earth soft for burrowing |
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a) |
I and IV |
b) |
II and III |
c) |
II and IV |
d) |
II and III |
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Which of the following statement is/are incorrect in refer one to earthworms? I. They are soft and naked and hence, cannot survive in the dry earth II. They respire through the nasal openings III. They decaying organic matter of the soil forms their chief food IV. Rain makes the earth soft for burrowing |
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|
a) |
I and IV |
b) |
II and III |
c) |
II and IV |
d) |
II and III |
(c)
Earthworm lacks the specialised breathing devices and depends on cutaneous respiration (respiration through skin). Exchange of respiratory gases occurs through the body surface
Moisture and humus makes the earth soft for burrowing