Tag: science & technology

Questions Related to science & technology

which vitamin s required is post-translational of certain proteins required for blood coagulation??
general knowledge science & technology

  1. Vitamin A

  2. Vitamin C

  3. Vitamin K

  4. Vitamin J

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Correct Option: C

A method for quantitatively determining the concentration of an antibiotic by its effect in inhibiting the growth of a susceptible microorganism. -- what s this method known as??
general knowledge science & technology

  1. antibiotic assay

  2. antibody assay

  3. plaque assay

  4. Bioassay

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Correct Option: C

which gas is known as laughing gas ?
general knowledge science & technology

  1. NO2

  2. NO2+N2O

  3. N2O

  4. CHNO2N4

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Correct Option: C

The simplest black hole which has mass but neither electric charge nor angular momentum is known as ___.
general knowledge science & technology

  1. Charged black holes

  2. Kerr metric black holes

  3. Schwarzschild black holes

  4. none of these

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Correct Option: C

A boundary in spacetime through which matter and light can only pass inward towards the mass of the black hole and not outward is known as ___.
general knowledge science & technology

  1. event horizon

  2. black boundary

  3. loop horizon

  4. gravity boundary

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Correct Option: A

To a distant observer, clocks near a black hole appear to tick more slowly than those further away from the black hole.
general knowledge science & technology

  1. True

  2. False

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Correct Option: A

An object falling into a black hole appears to slow down as it approaches the event horizon, taking an infinite time to reach it.
general knowledge science & technology

  1. True

  2. False

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Correct Option: A

Singularity with reference to black holes is best defined as __.
general knowledge science & technology

  1. Where the spacetime curvature becomes infinite.

  2. A reigon of infinite density.

  3. Where all the mass of black hole is concenterated.

  4. A reigon of zero volume.

  5. All of the above

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Correct Option: E

Rotating black holes are surrounded by a region of spacetime in which it is impossible to stand still, known as __.
general knowledge science & technology

  1. photon sphere

  2. ergosphere

  3. event horizon

  4. none of the above

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Correct Option: B

The main reason for formation of black hole is supposed to be __.
general knowledge science & technology

  1. gravitational collapse

  2. High-energy collisions

  3. both 1 and 2

  4. none of these

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Correct Option: A