Which of the following statement is incorrect about

What is opportunity cost ?

Maximum moisture content for safe storage in wheat seed is:

Which cotton species is recognized as "American cotton" or "Upland cotton" and has an allelotetraploid chromosome number?

Bael is rich source of:

The soils having EC< 4 dsm-1, ESP> 15 and pH more than> 8.5 the soils is_?

Which of the given methods of measurement of soil moisture is considered as a check for all other methods?

When an allele of one gene hides or masks the visible output, or phenotype, of another gene it is known as:

In tissue culture regeneration of shoot and root occurs by manipulating the balance of:

The most commonly used method of depreciation is