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. What is likely to happen?

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. What is likely to happen?

a. If the researcher can quickly produce a flash of far-red light and close the door, there will be no impact

b. If the plants are not yet flowering, there will be no impact

c. If the light is only red light and not far-red light, there will be no impact

d. If the plants are short day plants, there will be no impact

A.  if the researcher can quickly produce a flash of far-red light and close the door, there will be no impact

Explanation:

Far-red light, when used on plants, cause plants to pull out by decreasing the chlorophyll level in leaves. Chlorophyll is important to the growth of plants.

However, in this case, if the new researcher, can use the far-red light in a flash or very briefly, while immediately close the door, it can stimulate flowering, which in turns help plants to grow.

Hence, this will have no negative impacts on the plants.

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