Textbook Problem

Choose the statement that is true.

1. a. All flowers are pollinated by bees.
2. b. Apple trees are propagated by grafting because they are triploid.
3. c. Carpels function to attract pollinators.
4. d. A coleoptile protects the plumule of eudicot seedlings.
5. e. The arrival of pollen on a receptive seed is called pollination.
6. f. In plants, sperm cells are male gametes.
7. g. Nutrients in fruits nourish new seedlings.