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Sponges Are

(A) Ureotelic (B) Ammonotelic (C) Uricotelic (D) None of these Correct Answer: Option (B) Ammonotelic Sponges are ammonotelic organisms, as... View Article

Comb Plates Are Found In

(A) Adamsia (B) Pleurobrachia (C) Aurelia (D) Nereis Correct Answer: Option (B) Pleurobrachia The comb plates are found in Pleurobrachia.... View Article

Factorise: 1+ 64x^3

Given: 1+64x3 1+64x3 = 13+64x3 We know that a3+b3 = (a+b)(a2-ab+b2) Now, substitute a = 1 and b= 4x in the above formula, we get 1+64x3 =... View Article