UPSC 2003 › Science & Technology
22 questions · 2003 · answers as per the UPSC key
With reference to the work of human kidney, consider the following statements:
- After the waste is removed in the kidney, the cleaner blood is sent back through renal artery.
- From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein.
Which of these statements is/are correct?
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A hydrogen-inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will
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Consider the following statements:
- India launched its first full-fledged meteorological satellite (METSAT) in September 2002.
- For the first time, the space vehicle PSLV-C4 carried a payload of more than 1000 kg into a geosynchronous orbit.
Which of these statements is/are correct?
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Consider the following statements:
- Steam at 100 °C and boiling water at 100 °C contain the same amount of heat.
- Latent heat of fusion of ice is equal to the latent heat of vaporization of water.
- In an air-conditioner, heat is extracted from the room air at the evaporator coils and is rejected out at the condenser coils.
Which of these statements is/are correct?
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Consider the following statements: A four-wheel vehicle moving on a sharp circular path at high speed will
- Overturn about its outer wheels.
- Overturn about its inner wheels.
- Skid outwards.
- Skid inwards.
Which of these statements are correct?
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Which one of the following statements is correct?
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Diffusion of light in the atmosphere takes place due to
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An oil tanker is partially filled with oil and moves forward on a level road with uniform acceleration. The free surface of oil then
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Consider the following statements The purpose of adding sodium sulphate and sodium silicate to the detergent in a washing powder is
- To keep the washing powder dry
- To maintain the alkalinity of the powder
Which of these statements is/are correct?
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With reference to Indian defence,
which one of the following statements is correct?
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Which one of the following statements is correct?
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Which one of the following statements is correct?
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If the radius of the earth were shrunk by one per cent, its mass remaining the same, the value of ‘g’ on the earth’s surface would
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Octopus is
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Consider the following conditions of sick human body
- Swollen lymph nodes
- Sweating at night
- Loss of memory
- Loss of weight
Which of these are the symptoms of AIDS?
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Regarding the atom of a chemical element, the magnetic quantum number refers to
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Assertion (A): In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.
Reason (R): In a group, the atomic radius generally increases from top to bottom.
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Assertion (A): Unsaturated fats are more reactive compared with the saturated fats.
Reason (R): Unsaturated fats have only single bonds in their structure.
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Among the following which planet takes maximum time for one revolution around the Sun?
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With reference to normal human beings, consider the following statements:
- In response to the presence of HCl, secretin is produced from the duodenum
- Enterogastrone is produced in the small intestine in response to the presence of fatty acids
Which of these statements is/are correct?
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With reference to ionic compounds, consider the following statements:
- Ionic compounds are insoluble in alcohol.
- Ionic compounds in the solid state are good conductors of electricity.
Which of these statements is/are correct?
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Which one of the following statements is correct?