Tag: science & technology

Questions Related to science & technology

The element with same atomic number but different mass number are together known as _.
general knowledge science & technology

  1. Isobars

  2. Isotones

  3. Isotopes

  4. Nuclear isomers

Show answer
Correct Option: C

The first sucessful periodic table of elements was designed by _.
general knowledge science & technology

  1. Antoine Lavoisier

  2. John Newlands

  3. August Kekulé

  4. Dmitri Ivanovich Mendeleev

Show answer
Correct Option: D

If we add aluminium atoms to silicon wafer, the resulting substance will be _.
general knowledge science & technology

  1. n-type semiconductor

  2. p-type semiconductor

  3. intrinsic semiconductor

  4. none of these

Show answer
Correct Option: B

The only nonmetal which is liquid at room temperature is _.
general knowledge science & technology

  1. bromine

  2. mercury

  3. astatine

  4. iodine

Show answer
Correct Option: A

ATP stands for _.

general knowledge science & technology

  1. Amorphous triphosphate

  2. Adenosine triphosphate

  3. Aluminium triphosphate

  4. None of these

Show answer
Correct Option: B

The by-product of the oxygenic photosynthesis reaction is _.

general knowledge science & technology

  1. Water

  2. Chlorophyll

  3. Carbon Di-Oxide

  4. Oxygen

Show answer
Correct Option: D

The three most important reasons determining a persons blood alcohol content are body size, amount of alcohol consumed and rate of drinking

general knowledge science & technology

  1. True

  2. False

Show answer
Correct Option: A

A man stands at a certain distance from cliff. He wants to measure the distance from where he is standing to the base of the cliff. He rings an alarm and he gets to know the distance. How?
general knowledge science & technology

  1. because he is brilliant

  2. his eye have a distance measuring machine.

  3. the cliff told him the distance.

  4. he mesured the time ECHO of sound took to return from cliff and then measured the distance.

Show answer
Correct Option: D

name of the organic functional group (-co-)

general knowledge science & technology

  1. ketone

  2. acid

  3. ester

  4. ether

Show answer
Correct Option: A

name of functional group -COOH
general knowledge science & technology

  1. ASID

  2. AMID

  3. ESTER

  4. AMINO

Show answer
Correct Option: A