a leaf from each other of two plants (X and Y) was tested for the presence of starch using iodine solution.Leaf from plant Y turns pale brown color.Plant X had been growing in the light before testing.Plant Y had been taken from the light and placed in the dark for 48 hours before the test.What abiotic affects the result?
A.amount of water
B.amount of light
C.type of soil
D.All of the above
Answers
Ans.
B.
Explanation:
because, X grow in light so it has photosynthesis
and Y not.
Answer:
The correct answer is B. amount of light
Explanation:
From the above question,
The abiotic aspect that most at once impacts the end result of the check is the quantity of light, as plant Y used to be positioned in the darkish for forty eight hours earlier than the test. Light is fundamental for photosynthesis, which is the procedure through which flowers produce starch.
When a plant is positioned in the dark, it can't elevate out photosynthesis, and its starch reserves are depleted. Therefore, the leaf from plant Y became light brown as an alternative of the blue-black coloration that suggests the presence of starch.
While the quantity of water and kind of soil can additionally have an have an impact on on plant increase and starch production, they are no longer without delay associated to the unique end result of this test.
However,
It is well worth noting that the standard fitness and circumstance of a plant can have an effect on its capacity to produce and shop starch, and these elements can be influenced via water and soil conditions.
Hence,
The correct answer is B. amount of light.
For more such related questions : https://brainly.in/question/21814764
#SPJ3