Question
Distinguish between male cockroach and female cockroach.
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S. No.
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Male Cockroach
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Female Cockroach
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1.
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Abdomen is long and narrow.
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Abdomen is short and broad.
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2.
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All nine sterna are visible.
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Only seven sterna are visible.
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3.
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Anal styles are present.
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Anal styles are absent.
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4.
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$7^{\text {th}}$ tergum covers $8^{\text {th}}$ tergum.
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$7^{\text {th}}$ tergum covers $8^{\text {th}}$ and $9^{\text {th}}$ terga.
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5.
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Brood pouch is absent.
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Brood pouch is present.
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6.
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Antennae are longer in size.
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Antennae are smaller in size.
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7.
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Wings extend beyond the tip of abdomen.
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Wings extend upto the end of abdomen.
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Column I
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Column II
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(a)
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Compound epithelium
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(i)
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Alimentary canal
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(b)
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Compound eye
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(ii)
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Cockroach
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(c)
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Septal nephridia
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(iii)
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Skin
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(d)
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Open circulatory system
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(iv)
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Mosaic vision
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(e)
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Typhlosole
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(v)
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Earthworm
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(f)
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Osteocytes
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(vi)
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Phallomere
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(g)
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Genitalia
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(vii)
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Bone
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