Question : Which one of the following is not a digestive enzyme in the human system?
A. Pepsin
B. Ptyalin
C. Gastrin
D. Trypsin
Question Listed : Gastrin, Human Anatomy,
Question : Which one of the following noble gases is not found in the atmosphere (negligible quantity)?
A. Xenon
B. Radon
C. Krypton
D. Argon
Question : Which one of the following is a major constituent of Biogas?
A. Nitrogen Dioxide
B. Hydrogen
C. Methane
D. Carbon dioxide
Question Listed : Gas, Methane,
Question : Which one of the following gases is opaque to outgoing terrestial radiation but transparent to incoming solar radiation?
A. Helium
B. Nitrogen
C. Carbondioxide
D. Oxygen
Question Listed : Carbon Dioxide, Gas,
Question : Which one among the following is strong smelling agent added to LPG cylinder to help in the detection of gas leakage?
A. Chloroform
B. Methane
C. Thioethanol
D. Ethanol
Question Listed : Gas,
Question : Which of the following noble gases is most abundant in Earths atmosphere?
A. Neon
B. Helium
C. Xenon
D. Argon
Question : Which of the following is the lightest gas?
A. radon
B. xenon
C. helium
D. hydrogen
Question Listed : Gas, Hydrogen,
Question : Which of the following is not a method of preparing oxygen?
A. Decomposition of manganese dioxide
B. Decomposition of potassium permanganate
C. Fractional distillation of liquid air
D. Electrolysis of water
Question Listed : Gas,
Question : Which of the following gases is considered a better substitute to air in car tyres?
A. Oxygen
B. Helium
C. Nitrogen
D. Hydrogen
Question Listed : Nitrogen, Gas,
Question : Which is the lowest layer of the atmosphere ?
A. Thermosphere
B. Mesosphere
C. Stratosphere
D. Troposphere
Question Listed : Gas, Troposphere,
Question : Which among the following nontoxic gases helps in formation of enzymes which ripen fruit?
A. Carbon dioxide
B. Methane
C. Ethane
D. Acetylene
Question Listed : Gas, Acetylene,
Question : What is the major role of a greenhouse gas that contributes to temperature rise of the earths surface?
A. Lets incoming sunlight pass through but stops outgoing infrared radiation
B. Lets outgoing infrared radiation pass through but stops incoming sunlight
C. Stops both incoming sunlight and outgoing infrared radiation
D. Transparent to both incoming sunlight and outgoing infrared radiation
Question Listed : Gas,
Question : What is the chemical name of Laughing Gas?
A. Nitrous oxide
B. Calcium sulphate
C. Sodium carbonate
D. Silver nitrate
Question Listed : Gas, Nitrous Oxide,
Question : Troposphere is the hottest part of the atmosphere because
A. heat is generated in it
B. it is heated by the Earths surface
C. there are charged particles in it
D. it is closest to the Sun
Question Listed : Gas,
Question : The vertical movement of air is termed as
A. Air mobility
B. Air turbulence
C. Air Current
D. wind
Question Listed : Gas,