Soil Science Exam Quiz (9)

The most limiting factor for the growth of Blue green algae is?

The cropping system beneficial to prevent soil erosion due to winds is?

Which Shows The Symbiotic Relationship?

NPK are regarded in plant nutrition as?

The first stage of movement of soil particles (during soil erosion) in series of jumps is known as?

Under seventh approximation soil classification ,the number of soil orders is?

Musty smell of soil is due to?

It is always advisable to apply entire quantity of the potash at?

What is the main function of zinc in the plants ?

In slopy lands most suitable irrigation method is?

Immobile element in plant is?

Chlorosis of the mid rib leaves is caused by?

Which of the stem noduling green manuring?

With the increase in soil moisture content it’s thermal conductivity ?

What is the source of Agar Agar?

The intermediate product formed in soil formation is?

Khaira disease in rice is due to the deficiency of?

Which soils in India are formed in depressions under submerged condition ?

Chemical formula of pyrite is ?

Which of the following factors does not affect the nitrification?

Which generally augment the utilization of phosphorus which is water soluble?

What is the effect of potassic fertilizer?

In mustard crop gypsum is applied to supply?

Phosphatase enzymes play a major role in of organic phosphates in soil?

Dispersing agents reduce between similar particles?

Most of the plants take nitrogen in the form of?

The most efficient use of potassium is achieved by?

The microorganisms involved in soil granulation are?

The nitrogen fixing bacteria present in the root nodules of leguminous plants is?

Deficiency symptoms of calcium on plants first appear at?