121Which is the element found on the surface of the moon?
Ans : Titanium
122Why is ‘Beaufort Scale’ used?
Ans : To measure wind velocity
123When does Relative humidity decreases?
Ans : With increased temperature
124A man with a dark skin, in comparison with a man with a white skin, What will experience?
Ans : Less heat and less cold
125How are Oxygen and ozone?
Ans : Allotropes
126In which is ‘Foot and Mouth Disease’ found?
Ans : Cattle
127What denotes the smallest temperature?
Ans : 1° on the Kelvin scale
128In which latitudes largest quantities of bauxite is found?
Ans : Tropical latitudes
129Which tree, once very popular in social forestry, is now taken to be environmental hazard?
Ans : Eucalyptus
130Foot-and-Mouth disease in animals, a current epidemic in some parts of the world, By which is this caused?
Ans : Bacterium
131In which animal is respiration done by skin?
Ans : Frog
132‘Gobar gas’ contains mainly which gas?
Ans : Methane
133Which rocks is transformed into marble?
Ans : Limestone
134By which number the quality of gasoline’ sample is determined?
Ans : By its octane number
135Due to bite of mad dog the disease hydrophobia is caused by which virus?
Ans : Rabies virus
136What is the principal reason for the formation of metamorphic rocks?
Ans : Extreme heat and pressure
137A temperature at which both the Fahrenheit and the centigrade scales have the same value?
Ans : -40°
138Which type of glass is used for making glass reinforced plastic?
Ans : Quartz glass
139Which is the element that has the highest first ionization potential?
Ans : Nitrogen
140Which tissue take part in healing the wounds?
Ans : Epithelium tissue
141Temporary hardness of water is due to the presence of which thing?
Ans : Magnesium bicarbonate
142Which energy of the electron at absolute zero is called?
Ans : Fermi energy
143What is the characteristic odour of garlic?
Ans : A sulphur compound
144Which is the vitamin that is most readily manufactured in our bodies?
Ans : Vitamin D
145In human body, which are the leg bones?
Ans : Humerus and Femur
146Which of the following is good nuclear fuel?
Ans : Plutonium-239
147Which instrument instrument used for recording earthquake waves?
Ans : Seismograph
148Who firstly demonstrated experimentally the existence of electromagnetic wave?
Ans : Hertz
149Which is used as a coolant in nuclear reactors?
Ans : Liquid sodium
150Meghnad Saha is known for his contribution in which field?
Ans : Physics
"I’ve missed more than 9000 shots in my career. I’ve lost almost 300 games. 26 times, I’ve been trusted to take the game winning shot and missed. I’ve failed over and over and over again in my life. And that is why I succeed"