Exam 24: An Introduction to Flowering Plants

Virtually all plants compete directly with all the plants around them. Why is this so?

Tropisms are caused by auxins.

The photosynthesis equation is carbon dioxide + water ? glucose + oxygen gas. Which of these chemicals represents surplus biomass, which animals can use for food?

The vascular system in plants is analogous to the:

Which of these is the best description of "indeterminate growth?

A vine's tendril wrapping around another object is an example of:

Plants help reverse the effects of global warming by removing which of these chemicals?

Approximately what proportion of the water that enters a plant is evaporated into the atmosphere?

All leaves have a petiole.

Plant transpiration would occur more rapidly on a day that is:

A chunk of Aspen trees may represent genetically identical organisms that are all one clone.

What is the benefit of having plants in your home?

Annually, how much carbon dioxide can be absorbed by a single mature maple tree?

Movement of water out of the leaves of a plant is known as:

After closely examining a local "sweetheart tree that recently died, you notice that there are so many initials carved into the bark, which includes all the phloem, that there is no continuous, uninterrupted conduit for the phloem all the way around a tree trunk. Why did this eventually cause the tree to die?

Some plants have uses as both a poison and a medicine.

Refer to the figure above and then answer the question that follows. -Where does fertilization occur in a flower?

Leaves are covered on the outside with ________ to reduce water loss.

Which of these chemicals represents an important raw material needed for animal respiration?

List four materials that humans derive directly from plants.