Let the speed of stream be ‘x’ km/hr. So, speed of boat in still water = 7 × x = 7x km/hr Downstream speed of boat = 7x + x = 8x km/hr According to question; 8x = 144/9 = 16 Or, x = 2 Upstream speed of the boat = 7x – x = 6x = 6 × 2 = 12 km/hr Required time taken = 120/12 = 10 hours
In the gravimetric process of soil moisture measurement, the soil oven dried at __ ?
The development of new variety through identification and isolation of single best plant progeny is known as
A method of quantitative chemical analysis used to determine the mass or concentration of a substance by measuring a change in its mass is:
Soil physical property which cannot be changed of altered is:
The bollworm which covers the opening once it enters into the boll is?
The date after which a food product is not advisable to be marketed as its quality may have diminished, but may still be safe to consume is its:
According to CRIDA, the depth of deep tillage is ____
To preserve the green colour while cooking green leafy vegetables, it is advisable to cook them:
The ratio of weight of unit volume of dry soil including pore spaces to weight of an equal volume of water is:
National Agricultural Technology Project was started in the year: