Question
Which of the following statements are correct about
“Jhum cultivation” It is the primitive form of agriculture practiced in North eastern states of India In Jhum cultivation, crops are rotated on the same piece of land Jhum cultivation leads to the formation of wastelands It is also called Slash and burn type of agricultureSolution
Jhum cultivation is a kind of land rotation in which instead of crops, land is rotated for cultivation. After cultivation, when the field is left barren, it exposes the soil to erosion and further degradation, leading to the formation of wasteland. It is a primitive form of agriculture practiced in North eastern states of India
In siphoning type of mouth parts, proboscis is composed of:
The double zero type variety belongs to
Which company is manufacturing nano urea in India?
Which is not the macronutrient?
Polyploidy in plant is induced by:
Bacterial pathogenicity is primarily controlled by:
The instrument ,“Tensiometer” is used to measure , which parameter :
Mycelia and spores of the fungi are seen as whitish growth on the host surface in which disease?Â
Citrus canker is caused by
The intercalary meristem in plants results in ____