Which of the following statements regarding red soils of India is/are correct?<br/> 1. The colour of the soil is red due to ferric oxide content.<br/> 2. Red soils are rich in lime, humus and potash.<br/> 3. They are porous and have friable structure.<b

Cotton yarn cannot be spun successfully under dry conditions

The efficiency of the workers increases

The rate of damage of machinery is decreased

The rate of consumption electric power is decreased

Geography MCQ Set - 6 with Answers