Cal State LA » Biology » Biology 1100 - Principles of Biology » Fall 2019

Question #1

Red light, which is absorbed by chlorophylls, _____.

A. has photons with the longest wavelength in the visible spectrum

B. has photons with the shortest wavelength in the visible spectrum

C. has photons with the highest energy in the visible spectrum

D. is not considered part of the visible spectrum

Question #2

Where do the carbon atoms in glucose come from?

A. Carbon dioxide

B. water

C. NADPH

D. sunlight

Question #3

The splitting of water and the generation of oxygen occur where at/in ______.

A. Photosystem II

B. Photosystem I

C. The Krebs Cycle

D. The Calvin Cycle

Question #4

If chlorophyll a is blocked from absorbing light, what would be the effect on the ability of the plant to do photosynthesis?

A. The plant will have a decreased ability to carry out light-dependent reactions

B. The plant's ability to carry out photosynthesis will be unchanged, as one of the accessory pigments can fill in for chlorophyll a

C. The plant will have an enhanced ability to carry out light-INdependent reactions

D. The plant will have an enhanced ability to carry out light-dependent reactions

Question #5

Most plants incorporate carbon dioxide into sugars by means of a set of reactions called the ____.

A. carbon cycle

B. Calvin cycle

C. Krebs cycle

D. light cycle

E. CAM cycle

Question #6

If a plant's stomata were always closed, how would this affect the plant's ability to make glucose?

A. There would be no effect

B. Plants could make more sugar than normal

C. Plants would make less sugar than normal