Which of the following is/are the example/examples of chemical change?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk
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Subject: Science and Technology
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Which of the following is/are the example/examples of chemical change
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In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person
In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
1. Iris scanning
2. Retinal scanning
3. Voice recognition
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With reference to the use of nano-technology in health sector, which of the following statements
With reference to the use of nano-technology in health sector, which of the following statements
is/are correct?
(1) Targeted drug delivery is made possible by nanotechnology.
(2) Nanotechnology can largely contribute to gene therapy.
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The term ‘Goldilocks Zone’ is often seen in the news in the context of
The term ‘Goldilocks Zone’ is often seen in the news in the context of
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With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct
With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct :
(1) It is a contactless communication technology that uses electromagnetic radio fields.
(2) NFC is designed for use by devices which can be at a distance of even a metre from each other.
(3) NFC can use encryption when sending sensitive information.
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With reference to bio-toilets used by the Indian Railways, consider the following statements
With reference to bio-toilets used by the Indian Railways, consider the following statements :
(1) The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum.
(2) Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere.
Which of the statements given above is/are correct? -
Among the following, which were frequently mentioned in the news for the outbreak of Ebola
Among the following, which were frequently mentioned in the news for the outbreak of Ebola
virus recently? -
In which of the following activities are Indian Remote Sensing (IRS) satellites used
In which of the following activities are Indian Remote Sensing (IRS) satellites used?
(1) Assessment of crop productivity
(2) Locating ground water resources
(3) Mineral exploration
(4) Telecommunications
(5) Traffic studies
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HINI virus is sometimes mentioned in the news with reference to which one of the following
HINI virus is sometimes mentioned in the news with reference to which one of the following
diseases? -
In the context of modern scientific research, consider the following statements about ‘IceCube’,
In the context of modern scientific research, consider the following statements about ‘IceCube’,
a particle detector located at South Pole, which was recently in the news :
(1) It is he world’s largest neutrino detector, encompassing a cubic kilometer of ice.
(2) It is a powerful telescope to search for dark matter.
(3) It is buried deep in the ice.
Which of the statements given above is/are correct?