Question
Two trains approach each other at 25 kmph and 35 kmph
from two places 240 km apart. After how many hours they will meet?Solution
Let the time be x hrs. => 25x + 35x = 240 => 60x = 240 => x = 240/60 = 4 hrs
Which property of soil usually reflects the extent of leaching and weathering of soils?
Which factor significantly influences the decomposition rate of organic matter in soils?
Which of the following is the progeny of breeder seed and is responsible for producing certified seed?
Which of the following primary tillage operation is used to invert the soil partially or completely?
The study of soil from the stand point of higher plants is known as……………………….
Which factor most significantly influences soil bulk density?
 The larger the soil aggregates, the greater is the amount of ……………………….pores.
The most suitable soil type for groundnut cultivation is _____
Which of the following actinomycetes is responsible for nitrogen fixation?
The liming material generally used for reclaiming acid soilsÂ
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