What's the question here?
Answer:
The correct answer is - option a. positive.
Explanation:
Nittarte reduction is the test for the determinantion of the production of nitrate reductase enzyme through various test. One of the test is trommsdroff test.
This test involves trommsdroff reagent and dilute sulfuric acid that produce blue color if the reduction occurs and reductase present. This color is formed due to the conversion of ammonia to nitrate.
The correct answer is - option a. positive.
Answer: Photoperiod controls many developmental responses in animals, plants and even fungi These mechanisms include the detection of the light signal in the leaves, the entrainment of circadian rhythms, and the production of a mobile signal which is transmitted throughout the plant.
