In the given number ‘453976394’ if ‘2’ is subtracted from each odd number and ‘2’ is added to each even number then how many digits are repeated twice in the resultant thus obtained?

'Zea Mays everta' is the botanical name of -

The growth of auxiliary buds into shoot is known as -

Which of the following phosphatic fertilizer is suitable for acidic soils?

What is the meaning of climate change?

Among the following is a example of biennial weed ?

The horizon which is termed as horizon of maximum eluviation of clay, Fe and Al oxides

Avikalin is a breed of -

The period of life at which the reproductive organs first become functional is termed as ………………………….

The nutrient element which controls movement of stomata and maintains the turgor of cells, is-

"Brown Manuring", a recent approach of weed control which is mostly used in crop of -