What is opportunity cost ?

National Income means

Cytoplasmic or extra-nuclear inheritance of color by plastids is observed in

The following is called Ceara rubber tree

Deficiency of which vitamin is prominent in those persons who continuously eat ‘polished rice’?

Trichoderma viride, a bioagent to control some diseases in crop plants, acts as:

In living plant cell conversion of Pyruvic acid into CO₂ and energy is called

Parthenium hysterophorus (Congress grass) can be controlled by:

In May 2021, which country successfully achieved landing of unscrewed spacecraft on Mars?

Instrument used for measuring solar radiation is: