Which of the following crop has the highest cultivated area in the world

Rice is originated in

India has the largest area in rice cultivation in the world, which is about

Productivity of rice is highest in

The genus Oryza includes

The varieties which belong to species Oryza glaberrima are found are in

The rice varieties grown in India belongs to

Rice grown in Indonesia belongs to

Non traditional areas of rice cultivation include

The rice inflorescence is known as

The dehulled rice grain is known as

Rice crop needs

For ripening of rice, temperature should lie between

Photoperiodically, Rice is a type of ……………. Plant

The sowing time of Aus rice is

The sowing time of boro or dalua rice is

The optimum pH of soil for rice cultivation varies in range

IR-8 Variety of rice is introduced in India from

Which of the following variety is a dwarf mutant ?

The seed rate of rice cultivation in broadcasting and drilling method, respectively should be

Which of the following is abiotic stress hormone?

Identify the element associated with nitrate reduction.

Which of the following in a pentose sugar?

Identify the substrate if the respiratory quotient is 1.

Who proposed the chemiosmotic theory of ATP synthesis?

Which pigment in involved in flowering of plants?

Which cell organelle is not involved in photorespiratory process directly?

The CO2 concentration in the atmosphere presently is around?

Which of the following is non climacteric fruit?

Acid growth theory explains the mechanism of action of :

Which one is a sedimentary rock?

Clay mineral illite has CEC (cmol.(p+) kg-1) values ranging between

Among various classes of salt affected soils, the most permeable one is :

The chemical formula of the liming compound “dolomite” is

Which nitrifying bacteria oxidizes nitrite (No2-) to nitrate (NO3-) in soils?

Boron function in plants in

Which phosphate compound is present in single super phosphate

Biuret content in urea is premissible only to an extent of :

Potassium is present in crop plants as

Tensiometers measure soil moisture tension (bar) only upto