16. The reproductive organ of angiosperms is the A)sporangium. B) flower. C) con

Question

16. The reproductive organ of angiosperms is the A)sporangium. B) flower. C) cone. D) archegonium. E) sporophyte.

17. The prominent components of Earth's modern land flora in most areas are A) angiosperms. B) gymnosperms. C) ferns. D) bryophytes. E) club mosses.

18. Flowers with insect pollination have showy A) petals. B) sepals. C) anthers. D) fruits

19. In angiosperms, pollen is transferred from the __________ to the __________. A) anther, style B) filament,ovary C) anther, stigma D) filament, ovary E) anther, ovule

20. The following events in the angiosperm life cycle occur in which order?

I. A diploid zygote develops into an embryo that is packaged along with food into a seed.

II. A pollen grain reaches the appropriate surface of a sporophyte.

III. Double fertilization occurs.

IV. A slender pollen tube is produced that elongates and digests its way through the sporophytic tissue toward the female gametophyte.

A) I, II, III, IV B) II, IV, III, I C) II, I, IV, III D) IV, III, I, II E) III, I, IV, II

Explanation / Answer

16. B) The reproductive organ of angiosperms is the flower.

17. A) The prominent components of Earth's modern land flora in most areas are angiosperms

18. Flowers with insect pollination have showy A) petals. (to attract insects)

19. In angiosperms, pollen is transferred from the __Anther________ to the ______stigma____.

20. B) II, IV, III, I

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