I am a plant. I am making the soil nitrogen rich. Who am I ?

I am a process through which alcohol, dough are prepared . I occur in the absence of oxygen . Who am I ?

I am an allosome. I decide the sex of the baby. Who am I ?

I am an alkaloid. I extracted from flower of the plant. I am used as , insecticide. Who am I?

I am a phytohormone. I am in gaseous state. I am helpful in ripening of fruit. Who am I ?

I am a secondary metabolite. I am obtained from bark of the plant. I can cure malaria. Who am I ?

I am an alkaloid. I work as an antiptic. Who am I ?

I am a part of brain. I am the site of mental abilities and memory. Who am I ?

I am the state tree of Tamilnadu.Who am I____?

I am very light and present in every matter. When I move along the equator from east to west, I am pushed up. When I am stationary, no force. : Who am I?

I am an alkaloid. I am present in root. I am used in the treatment of snake bite. Who am I ?