931. All forms of energy that we use are ultimately transformed into__________?
A. Electrical Energy
B. Heat Energy
C. Light Energy
D. Chemical Energy

932. The amount of energy in wheat is__________?
A. 100 K Calories/100 gram
B. 245 K Calories/100 gram
C. 348 K Calories/100 gram
D. 490 K Calories/100 gram

933. The major part of natural gas, petroleum and coal consists of?
A. Carbon
B. Chlorine
C. CFC
D. Methane

934. What is used in making of alloys?
A. Gypsum
B. Granite
C. Chromium
D. Lime-stone

935. The large plates of solar pannels are painted?
A. Red
B. White
C. Yellow
D. Black

936. According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in_________?
A. 2 hours
B. 5 hours
C. 8 hours
D. 10 hours

937. Units of electricity consumed by 2500 watt air-conditioner in one hour are_________?
A. 25 units
B. 2.25 units
C. 2.5 units
D. 0.25 units

938. During a total solar eclipse there is most likely to be_____________?
A. A decrease in the rate of photosynthesis
B. An increase in the rate of photosynthesis
C. A decrease in the rate of respiration
D. No effect on either photosynthesis or respiration

939. Heating element of an electric heater is made up of___________?
A. Tungsten
B. Graphite
C. Chromium
D. Nichrome

940. In an oil lamp, the oil rises up in the wick due to?
A. Capillary action
B. Atmospheric pressure
C. Viscosity of oil
D. Change in temperature

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