16) The pista has three sections A) Stigma, style, and anther 8) Anther, filamen

Question

16) The pista has three sections A) Stigma, style, and anther 8) Anther, filament, and ovule C) Stigma; style, and ovary D) Ovary, ovule, and sepat E) Corolia, stamen, and sepai 17) Acoelomates are characterized by A) the absence of a brsin B) the absence of mesoderm C) deuterostome development D) a coelom that is not completely lined with mesoderm E) a solid body without a caviry surrounding internal organs 18) Which kind of plant tissue should lack phragmoplasts? A) bryophyte tissues of the gametophyte generation B) diploid tissues of charophyceans C) spore-producing tissues of all land plants D) tissues performing nuclear division without intervening cytokinests E) the menistematic tissues of fern gametophytes 19 )Which of the following is not unique to animals? A) cells that have tight junctions, desmosomes, or gap junctions B) the structural protein collagen C) nervous conduction and muscular movement D) regulatory genes called Hox genes E) sexual reproduction 20).How have fruits contributed to the success of angiosperms? A) By nourishing plants that make them B) By facilitating disposal of seeds C) By attractin D) By producing spe E) By producing diploid cells via double fertlization. g insects to the pollen inside. rm and eggs inside the protective coat. 21) In plants, which of the following a A) Haploid sporophytes. B) Haploid gametes. C) Diploid gametes. D) Haploid spores. E) Diploid spores

Explanation / Answer

16. The answer is Sigma, style and ovary.

The pistil is the plant female reprodcutive part. The swollen base part of the pistil is called as ovary which contains ovules. It continues with a stalk, it is called style. The top part of the style is called Stigma, which plays a crucial role in pollen reception.

17. The answer is E) a solid body without a cavity surrounding internal organs.

18. The answer is D) tissues performing nuclear division without intervening cytokineses
Because phragmoplasts plays a role in the formation of new cell wall between two daguther nuclei.

19. The answer is E) sexual reproduction
The rest all are unique to animals.

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