Select the most appropiate ANTONYM of the given

Microbe involved in biological oxidation of ammonium ion to nitrite ion is

Choose the correct option

Assertion (A): Black soils have swelling and shrinking characteristics

Which of the following is a long-term effect of urea application?

Imperfect fungi reproduce by:

Conversion factor from P to P2O5 is

 In woody plants and many fruits, transpiration takes place from:

The condition where crops are unable to absorb water from soil even when water is available is:

 The dissolution of old cuticle and formation of new one is known as:

Acidic soils are found in

Which silkworm species feeds on oak leaves and is known for producing oak tasar silk?