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Statement A: Organic matter in the soil improves soil fertility and nutrient availability. This statement is true. It enhances the soil's ability to retain moisture, improves soil structure, promotes microbial activity, and increases nutrient availability to plants. Statement B: Sandy soil having a high water-holding capacity is incorrect. Sandy soil typically has larger particles, resulting in larger pore spaces between them. These larger pores allow water to drain quickly through the soil, leading to poor water retention and limited water availability for plants. Statement C: Soil pH affecting nutrient availability to plants is true. Soil pH significantly influences the solubility and availability of nutrients to plants. Different nutrients have varying solubility across different pH levels.
Train P travelling at 55 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 35 km/hr in 14 seconds...
Train 'A' and Train 'B' pass each other in 10 seconds when moving in opposite directions. If Train 'A' takes 12.5 seconds to pass a pole, and the speed...
450 metre long train ‘A’ is running with a speed of 99 km/hr. Train ‘B’ which is 555 metre long is running with a speed of 90 km/h in opposite d...
Train A running at speed of 126 km/hr crosses a platform having twice the length of train in 15 sec. Train B whose length is 400m crosses same platform ...
A train 420 metre long takes 72 sec to cross a man running at a speed of 4 km/hr in the direction opposite to that of train. What is the speed of the tr...
A train started from station P and preceded towards station Q at a speed of 54 km/h. 40 minutes later, another train started from station Q and preceded...
A 150-meter-long train requires 'p' seconds to pass a tree. When the train runs at 75% of its original speed, it takes 20 seconds to pass a 90-meter-lon...
Train X running at a speed of 35 km/hr crosses train Y in 18 seconds. Find the speed of train Y (in km/hr), if the sum of the length of train X and Y is...
Two trains 180 metres and 120 metres in length are running towards each other on parallel tracks, one at the rate 42 km/hr and another at 30 km/hr. In h...
Train A running with a sped of 90 km/h crosses a vertical pole in 12 seconds. Speed of train A is 5 m/s less than speed of train B, and length of train ...