In plant research labs, plants are often grown in light-proof chambers where the hours of light and dark are carefully controlled. A new researcher goes into a chamber and accidentally turns on the light during the "dark" period. How should the
researcher respond to get the plants back to their controlled schedule quickly?
A) If the plants are short-day plants, the researcher should do nothing.
B) The researcher should quickly produce a flash of far-red light and close the door.
C) The researcher does not need to respond if the plants are not yet flowering.
D) If the light is only red light and not far-red light, there will be no impact.
Answer: B
You might also like to view...
The leopard seal's primary predator is called the:
a. sperm whale. b. polar bear. c. killer whale. d. salt water crocodile. e. Weddel seal.
A stalk of celery is placed in a solution of blue colored dye. After one hour, the leaves have blue fluid
in their veins. Which property of water is being demonstrated? a. adhesion and cohesion b. evaporation and cooling c. lower density as a solid than as a liquid d. high specific heat e. surface tension
When naming a life form, which of the following two taxonomic categories is used?
A) class and order B) family and genus C) genus and species D) kingdom and phylum E) domain and phylum
Some of the "dead stuff in our food" makes it into our food chain through the activity of decomposers such as fungi. Fungi are
a. photoautotrophs b. photoheterotrophs c. chemoautotrophs d. chemoheterotrophs