What is it called when the root exudate of one plant affects another?

Which of the following is an example of CAM plant? 

Why are lysosomes referred to as "suicidal bags"?

The process of artificially exposing seeds to cold temperatures to simulate winter conditions and break dormancy is known as:

Which alkaloid found in Periwinkle is used in cancer treatment?

Botanical name of African marigold is -

Bending is guava is done to favour:

Which fruit is also referred to as "Bathroom fruit" ?

The biting taste of black pepper is due to the presence of the alkaloid

“Pusa Nanha” dwarf variety of Papaya is developed through _________