Which of the following is a sporophyte? a flowering tree a flower a fern a fruit 1 2 3 4 5
The female reproductive parts of a typical flower are found in the ________. sepal stamen carpel calyx 1 2 3 4 5
Which of the following is not true of pollen grains? they are a type of male gametophyte they are the sperm of the flower they are a type of male sporophyte they form in stamens 1 2 3 4 5
Common pollinators include all of the following except ________. birds bears bats bees 1 2 3 4 5
A plant that can be pollinated by only one specific animal vector is an example of ________. cross pollination hybridization coevolution coincidence 1 2 3 4 5
Flowers attract specific pollinators using visual and olfactory cues such as ________. red and yellow colors ultraviolet patterns rotten odors all of the choices 1 2 3 4 5
Flowering plants produce two types of spores, the male ________ and the female ________. sporophyte, megaspore microspore, sporophyte microspore, megaspore megaspore, microspore 1 2 3 4 5
Pollination is the arrival of pollen grains from the ________ on a receptive ________. anther, stigma sepal, style style, stigma stigma, anther 1 2 3 4 5
A receptive stigma causes a pollen grain to ________ and become a _________. germinate, sporophyte germinate, mature male gametophyte undergo mitosis, microspore undergo meiosis, megaspore 1 2 3 4 5
How many sperm are in a single male gametophyte? 1 2 4 many 1 2 3 4 5
Before fertilization, the endosperm mother cell consists of cytoplasm and ________. 1 diploid nucleus 1 haploid nucleus 2 haploid nuclei 3 haploid nuclei 1 2 3 4 5
The pollen tube grows from the ________ to the ________. anther, sperm sperm, stigma stigma, ovule ovule, anther 1 2 3 4 5
After fertilization, the embryo is ________ and the endosperm is ________. 1n, 2n 2n, 2n 2n, 3n 3n, 1n 1 2 3 4 5
The part of a flowering plant that becomes the fruit is the ________. ovule zygote embryo sporophyte ovary 1 2 3 4 5
Cherries and apples are ________ fruits that originate in a single or fused carpel. simple aggregate multiple 1 2 3 4 5
several unfused carpels Aggregate fruits, such as the raspberry, are clusters of fruits formed from ________. a single carpel a fused carpel several fused carpels several unfused carpels 1 2 3 4 5
Which of the following would be categorized as a drupe? peach pear apple grape 1 2 3 4 5
The primary biological function of fruit is to ________. store water and sugar provide food for animals protect seeds disperse seeds 1 2 3 4 5
Which of the following is not true? all flowers produce seeds only flowering plants produce fruit flowers produce more pollen than fruit all flowering plants can reproduce sexually 1 2 3 4 5
All of the following are modes of asexual reproduction except ________. fertilization parthenogenesis vegetative propagation tissue culture 1 2 3 4 5