Question

1. a potted plant is placed inside a clear, sealed vacuum container that has water pumped into it on a regular basis. the container is placed in the sun and the plant’s growth is monitored. which statement best describes what will most likely happen to the plant over time?

a. the plant will grow faster because it is sheltered from the wind.
b. the plant will die because it does not have oxygen for photosynthesis.
c. the plant will die because it does not have carbon dioxide for photosynthesis
d. the plant will grow at a slower rate because it requires more water.

a
b
c
d

69.

1. mike has four aquatic plants of the same size and the same species. he submerges the plants in a separate beaker filled with 200 ml of water. she then sets each beaker under a different intensity of light. mike observes that, of the four plants, the plant in the beaker under the most intense light gives off the most gas bubbles in a 20 minute period.

which of the following statements best explains mike’s observations?
a. cells decompose most quickly under the most intense light.
b. water evaporates from plants faster under the most intense light.
c. photosynthesis occurs at the highest rate under the most intense light.
d. gases in the leaves of plants expand most under the most intense light

Explanation:

Answer:

C. The plant will die because it does not have carbon dioxide for photosynthesis
C. Photosynthesis occurs at the highest rate under the most intense light