Exam 35: Plant Growth and Reproduction

In plants,double fertilization means that

Increases in length due to cell divisions at apical meristems are called ________ growth.

Plants that use animals for pollination usually provide a reward.

Horticulturists often remove the anthers from flowers.This technique would most likely

An apical meristem produces lateral roots.

Which of the following animals would be LEAST likely to disperse seeds?

When you prune a rose plant by cutting off the tips of all the branches,the plant becomes more bushy because

Growth of the cells of the lateral meristem is responsible for increasing the

Which of the layers shown in the diagram below of a tree trunk were most recently produced by the vascular cambium?

Imagine driving a nail into a tree trunk.Which of the following tissues would the nail point first contact?

Spores undergo mitosis to form the haploid ________,one of the two stages in the life cycle of plants.

The flesh of an apple forms from the

The structure labeled B in the diagram below of a flower is known as the ________ and produces ________.

Flowers,like the ones in the figures below,display spectacular colors,shapes,and odors in combination with food rewards,such as nectar,in order to convince pollinating animals to visit several flowers of the same species to transfer pollen for reproduction. How might a flower be specialized to attract hummingbird pollinators (above right)and discourage insect pollinators (above left)?

Which of the labeled structures in the figure below is where the embryo sac would be found?

Gene-for-gene recognition develops when a plant's resistance gene

Which of the following would be haploid?

Mature pollen grains contain ________ sperm cells.

If you were to drive a nail into the trunk of a tree and come back 10 years later,where would you find the nail?

Meristem cells in plants are similar to ________ cells in vertebrates.