In Gymnosperms seed are not covered as an ovary does not enclose the ovule. Ovarian wall =friut wall (after fertilisation) Ovule has nucelus(2n) nutririvn tissue and one integument. One cell of nucleus...
Each student has different capabilities and method of how to deal with them also varies. It's not the subject that usually bothers, but it's the way how we deal with them that makes them comfortable or...
QUESTION How will you convert benzene into (i) p-nitrobromobenzene (ii) m-nitrochlorobenzene (iii) p-nitrotoluene (iv) acetophenone? ANSWER (i) Since, the two substituents in the benzene ring...