1 Most of the plants on Earth are __________.A) gametophyte plants B) seedless plants C) seed plants D) nonvascular plants 2 The transfer of pollen grains to the female part of the plant is called __________.A) fertilization B) reproduction C) pollination D) germination 3 What are the three main parts of a seed?A) pollen grain, sperm, and egg B) cone, zygote, and seed coat C) seed coat, stored food, and an embryo D) stored food, flower, and pollen grain 4 Which one of the following reproductive structures would be found only in gymnosperms?A) cones B) flowers C) sori D) pistils 5 In gymnosperms and angiosperms, the egg is produced in a female structure called __________.A) a pollen grain B) a stamen C) a seed D) an ovule 6 If someone gives you a plant and tells you that it is an angiosperm, you know that sometime during its life cycle it will produce __________.A) cones B) flowers C) a prothallus D) swimming sperm 7 How is pollen transferred from the male cone to the female cone in pines?A) by insects B) by the wind C) by water D) by seeds 8 Which one of the following is the male reproductive part of a flower?A) stamen B) petal C) sepal D) pistils 9 A plant produces small flowers that do not have a strong odor and are not brightly colored. The plant probably is pollinated by __________.A) the wind B) bees C) bats D) flies 10 In seed plants, sperm travel down a(n) __________ to reach the egg.A) stamen tube B) ovule tube C) pollen tube D) stigma tube 11 Why might a seed be covered in prickly hooks?A) to keep it from being eaten B) to help in germination C) to aid in seed dispersal D) to attract insects 12 Some seeds, like those in tomatoes and apples, are found inside __________ and pass through an animal's digestive system when they are eaten.A) fruits B) cones C) roots D) flowers 13 __________ is a series of events that results in the growth of a plant from a seed.A) Pollination B) Germination C) Fertilization D) Reproduction 14 During germination, __________ in the cotyledons or endosperm of the seed is/are used for growth.A) water stored B) food stored C) pollen stored D) eggs stored