Chapter 10 Test - Plant Processes

Light, touch, and gravity are all examples of different environmental ____________.

• photoperiodism
• cytokinins
• stimuli
• auxins

Of the following, which is a short-day plant?

• lettuce
• poinsettia
• spinich
• roses

Which part of the flower is the male reproductive organ?

• sepal
• pistil
• stamen
• ovary

Plants lean toward the light because of plant hormones called ____________.

• auxins
• photoperiodism
• ethylene gas
• all of the above

Cellular respiration is the process in which organisms break down food to release ____________.

• nutrients
• energy
• sugar
• oxygen

Which type of tropism is shown in the image?

• environmentaltropism
• phototropism
• thigmotropism
• gravitropism

Plants that require a lot of sunlight to flower are called ________ plants.

• day-neutral
• periodic
• short-day
• long-day

As much as 90% of the oxygen in our atmosphere is a result of_____________.

• thigmotropism
• photosynthesis
• photoperiodism
• respiration

What cell organelle is necessary for cellular respiration?

• chloroplasts
• stomata
• mitochondrion
• cell membrane

The green color of leaves is due to green light energy reflected from _________.

• carbon dioxide
• chlorophyll
• gibberellins
• auxins