Chloroplasts are called energy converters. Explain
what is the use of pisicultre?
define what is pseudomonas bacteria?
Activity : Take about 2g of barium hydroxide in a test tube. Add 1g of ammonium chloride and mix it with help of a glass rod. Touch the bottom of the test tube with your palm. What do you feel ? Is this exothermic reaction?
Why are we not representing elements like O2 N2, Cl2, H2, F2 as single element ?
How does a plant cope up with lack of water in desert conditions?