Practice General science Common Questions and Answers

• The sky appears blue, because
• Non-vascular plants do not contain:
• ELISA test can be used to diagnose :
• Which of the following is used as red pigment in making batteries, lead glass and rust proof primer paints?
• Identify the third germinal layer found in triploblastic animals.
• What is the metric unit of pressure that is equal to 0.986923 atm?
• In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in orga...
• Who explained the structure of protein?
• Who is credited with the discovery of X-rays?
• The last phase of which disease is known as "lockjaw"?
• What is the primary reason for the blue color of the sky?
• What is myopia?
• Which of the following materials has the highest thermal conductivity?
• Up to what temperature can a mercury thermometer measure?
• The pH of blood is primarily regulated by:
• Which of the following cannot be corrected with spectacles?
• Decibel is used to measure the ___________.
• Amphibians and many reptiles typically have which type of heart?
• Which vitamin can be synthesized in the liver?
• Deficiency of which vitamin leads to bleeding gums?
• Who is credited with inventing the microphone?
• A wire with green plastic covering is typically used as which type of wire?
• What is the focal length of a plane mirror?
• What defines an ion?
• What are diatoms?
• The rate of change of which of the following determines angular velocity?
• What do we call sound waves with frequencies below 20 Hz?
• Which inert gas is most abundantly found in the atmosphere?
• Vinegar, commonly used in cooking, is primarily composed of which acid?
• Which polymer is used in the production of bullet-proof materials?
• Among petroleum refinery products, which has the lowest boiling point?
• Which gas is commonly used in electric bulbs to prevent oxidation?
• What is the main chemical used in the production of matchsticks?
• What is used in cloud seeding to produce artificial rain?
• What is the principle behind the operation of a washing machine?
• Minamata disease, a neurological disorder, is caused by eating fish contaminated with which element?
• Which among following third generation of computers had ?
• The apparent weight of the body becomes zero in which of the following cases in the elevator?
• Speed of light will be maximum in which of the following mediums? 
• Which acid is described as HOOCCOOH?