Why are healthy root nodules pink in colour?

What type of condition is created by leghaemoglobin in the root nodules of legumes?

Why is urine yellow in colour?

State whether the following statements are true or false. Correct the false statements: The bacteria Clostridium are present in the root nodules of leguminous plants.

What are the steps involved in formation of a root nodule?

What type of conditions are created by leghaemoglobin in the root nodule of a legume?

Use your brain power! Why are their roots short and fibrous?

When a apparently healthy person is diagnosed as unhealthy by psychiatrist, the reason could be that

The wavelength of green colour in air and violet colour in water are 5381 overset (@)(A) and 3042 overset (@)(A) respectively . If the wavelength of green colour in water is the same as the wavelength of violet colour in air , find its value . (Assume that refrective index for green and violet colour is approximately same)

Bleaching powder is ………in colour.