A. Metabolism

B. Photosynthesis

C. Absorption

D. Assimilation

A. Monocropping

B. Monoculture

C. Specialized farming

D. Intensive cropping

A. Fungi

B. Virus

C. Bacteria

D. None of the above

A. Cucurbitaceae

B. Poaceae

C. Chenopodiaceae

D. none of these

A. Alpine vegetation

B. Conferous vegetation

C. Tundra vegetation

D. None of the above

A. Monocropping

B. Doubling cropping

C. Intercropping

D. Cropping pattern

A. World trade organization

B. Western training organization

C. World trade order

D. none of these

A. Sugarcane

B. Sorghum

C. Both a and b

D. All the above

A. Whole plant

B. Leaves

C. Stem only

D. Flowers only

A. Produce better crop

B. Provide greater vigour

C. Are more uniform

D. All the above