What is the principle by which a cooling system(Radiator) in a motor car works:
Subject: Science and Technology
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Chlorination is a process used for water-purification. The disinfecting action of chlorine is mainly due to
Chlorination is a process used for water-purification. The disinfecting action of chlorine is mainly due to
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With regard to the transmission of the Human Immunodeficiency Virus, which one of the following statement if not correct
With regard to the transmission of the Human Immunodeficiency Virus, which one of the following statement if not correct?
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Which one of the following processes in the bodies of living organisms is a digestive process
Which one of the following processes in the bodies of living organisms is a digestive process?
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Recently, LASIK (Laser Assisted In Situ Keratomileusis) procedure is being made popular for vision correction.
Recently, LASIK (Laser Assisted In Situ Keratomileusis) procedure is being made popular for vision correction.
Which one of the following statements in this context is not correct ? -
India-based Neutrino Observatory is included by the Planning Commission as a mega science project under the 11th five-Year Plan. In this context, consider the following statements
India-based Neutrino Observatory is included by the Planning Commission as a mega science project under the 11th five-Year Plan. In this context, consider the following statements:
1. Neutrinos are chargeless elementary particles that travel close to the speed of light.
2. Neutrinos are created in nuclear reactions of beta decay.
3. Neutrinos have a negligible, but nonzero mass.
4. Trillions of Neutrinos pass through human body every second.
Which of the statements given above are correct ? -
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine ?
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Consider the following statements : The Satellite Oceansat-2 launched by India helps in
Consider the following statements : The Satellite Oceansat-2 launched by India helps in
1. estimating the water vapour content in the atmosphere.
2. predicting the onset of monsoons.
3. monitoring the pollution of coastal waters.
Which of the statements given above is/are correct ? -
If a potato is placed on a pure paper plate which is white and unprinted and put in a microwave oven, the potato heats up but the paper plate does not. This is because
If a potato is placed on a pure paper plate which is white and unprinted and put in a microwave oven, the potato heats up but the paper plate does not. This is because:
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Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity
Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?