Improvement In Food Resources — Science STD 9 — Question

Aditya added 1-2 drops of iodine to three test tubes A,B and C, containing 2ml of food samples. A dark blue-black colour appeared in test tubes A and B. The correct order of food samples taken in test tubes A, B and C is:

1. Rice, dal, potato.
2. Rice, potato, dal.
3. Potato, dal, rice.
4. Dal, rice, potato.

Name the target organ of Japanese encephalitis and AIDS virus respectively.

Name one inorganic nitrogenous fertilizer.

What is common name of nematoda.

What is water logging?

1. Jersey.
2. Scampi.
3. Ghagus.
4. Kadaknath.