(A) Flat worms have materials and proteins in their capsule.
(B) Porifera has the simplest level of organisation.
(C) Neopilina is a segmented mollusc.
(D) The genital aperture in earthworm is on ventral side.
Which of the above statements are correct?

Only A and B are correct.

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Only B, C and D are correct.

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Only A, B and C are correct.

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All are correct.

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Solution

The correct option is D All are correct.
Statement A is correct as flatworms have materials and proteins in their capsule.
Statement B is correct as Porifera has the simplest level of organization. They are multicellular but have no tissues.
Statement C is correct as neopilina is a connecting link between annelids and molluscans and it is the only segmented mollusc.
Statement D is correct as genital openings mark the ventral surface of the body of an earthworm.
Therefore, the correct answer is option D.

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(A) Flat worms have materials and proteins in their capsule.(B) Porifera has the simplest level of organisation.(C) Neopilina is a segmented mollusc.(D) The genital aperture in earthworm is on ventral side.Which of the above statements are correct?

(A) Flat worms have materials and proteins in their capsule.
(B) Porifera has the simplest level of organisation.
(C) Neopilina is a segmented mollusc.
(D) The genital aperture in earthworm is on ventral side.
Which of the above statements are correct?