CTET Solved Paper - UTET September 2013 Paper2
102. Urotropin is obtained from ammonia and ......... , which is used in urinary diseases
- Option : C
- Explanation : (C) Urotropin is obtained from ammonia and formaldehyede, which is used in urinary diseases.
103. Photoelectric cell is a device, which converts
- Option : B
- Explanation : (B) Photoelectric cell is a device, which converts light energy into electrical energy.
104. What will be correct sequence of atmospheric layers while going upwards from Earth's surface?
- Option : A
- Explanation : (A) The correct sequence of atmospheric layers while going upwards from Earth's surface is : Troposphere → Stratosphere → Mesosphere → Thermosphere, Exosphere.
- Option : A
- Explanation : (A) The presence of sodium bicarbonate means there will be greater amount of carbon dioxide in water. This increases the speed of photosynthesis.
