Choose the incorrect sentence.

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(D) $1$. Frogs are ureotelic,meaning they excrete urea as their primary nitrogenous waste. This statement is correct.$2$. Cockroaches are uricotelic,m

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In cockroach,fertilization is internal and development is direct.

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(D) $1$. Frogs are ureotelic,meaning they excrete urea as their primary nitrogenous waste. This statement is correct.$2$. Cockroaches are uricotelic,meaning they excrete uric acid to conserve water. This statement is correct.$3$. Frogs exhibit external fertilization,which takes place in water. This statement is correct.$4$. Cockroaches exhibit internal fertilization,but their development is indirect,involving a nymphal stage that undergoes multiple molts (metamorphosis). Therefore,the statement claiming 'direct development' is incorrect.

Column-$I$	Column-$II$
$(a)$. Paurometabolous	$(i)$. Silk worm
$(b)$. Hemimetabolous	$(ii)$. Grasshopper
$(c)$. Holometabolous	$(iii)$. Silver fish
$(d)$. Ametabolous	$(iv)$. Dragon fly

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Match the following (w.r.t. type of metamorphosis involved):
Column-$I$ Column-$II$
$(a)$. Paurometabolous $(i)$. Silk worm
$(b)$. Hemimetabolous $(ii)$. Grasshopper
$(c)$. Holometabolous $(iii)$. Silver fish
$(d)$. Ametabolous $(iv)$. Dragon fly

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