In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?
1. Area of the hole in the lid
2. Temperature of the flame
3. Weight of the lid
Select the correct answer
using the code given below.
Prelims
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Science and Technology › PhysicsXGeneral
Science and Technology › PhysicsXGeneral
Options
Answer
(C)
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Science and Technology › PhysicsXLight energy
Science and Technology › PhysicsXLight energy
With reference to street lighting, how do sodium lamps differ from LED lamps?
1.Sodium lamps produce light in 360 degrees, but it is not so in the case of LED lamps.
2.As streetlights, sodium lamps have a longer lifespan than LED lamps.
3.The spectrum of visible light from sodium lamps is almost monochromatic, while LED lamps offer significant color advantages in street lighting.
Select the correct answer using the code given below:Options
Answer
(C)
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Science and Technology › SpaceXTheory
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Science and Technology › Specific Diseases
Science and Technology › Specific Diseases
Consider the following statements:
1.Adenoviruses have single-stranded DNA genomes, whereas retroviruses have double-stranded DNA genomes.
2.The common cold is sometimes caused by an adenovirus, whereas AIDS is caused by a retrovirus.
Which of the statements given above is/are correct?Options
Answer
(B)
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Science and Technology › Vaccines
Science and Technology › Vaccines
With reference to recent developments regarding ‘Recombinant Vector Vaccine,’ consider the following statements:
1. Genetic engineering is applied in the development of these vaccines.
2. Bacteria and viruses are used as vectors.
Which of the statements given above is/are correct?Options
Answer
(C)
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