Question

After keeping a plant in darkness for 3 days will you get a positive starch test? Give reasons.

Answer 1

Answer:

If the leaf will contain starch it will turn blue-black showing that it has performed photosynthesis. But in our case it will remain yellow. Hence, the test for the presence of starch in the leaf will not give a positive result for sure because light is the basic requirement of starch formation . Thanks.J

Explanation:

Answer 2

Hey mate here is ur answer

As Rohit has placed the potted plant in a complete dark room for 3 days, the leaf will lack starch . ... Hence, the test for the presence of starch in the leaf will not give a positive result for sure because light is the basic requirement of starch formation .