Diffenbachia is

Which gas is considered as the most abundant greenhouse gas in the atmosphere?

Which one of the following stimulates the germination of Striga seeds?

Which soil forming process leads to acidic soils with bleached A horizons?

Match the following 

What is the relationship between marginal cost (MC) and fixed cost (FC): 

Crinkle leaf of cotton is a disease of the cotton crop which is caused due to which of the following?

Which of the following is an example of a C₄  plant that produces OAA?

Aroma in Onion is due to the presence of 

Uptake of silicon in the form of silicate anion in cereals such as rice is required for

Cultivated wheat in India belongs to: