Tag: technological and industrial development

Questions Related to technological and industrial development

Oil, coal and natural gas constitute

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Metals

  2. Renewable resource

  3. Fossil fuels

  4. None of the above

Show answer
Correct Option: C
Explanation:

Oil, coal & natural gas comes under the category of fossil fuels which is non-renewable source of energy.

So, the correct answer is 'Fossil fuels'

Which one contains hydrocarbons similar to those of petroleum?

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Tannin

  2. Starch

  3. Latex

  4. Resin

Show answer
Correct Option: A

Producer gas is used for

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Manufacture of ammonia

  2. Industrial fuel

  3. Running certain engines

  4. All of the above

Show answer
Correct Option: D

Which one is being tried in India as biofuel substitute for fossil fuels?

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Jatropha

  2. Musa

  3. Aegilops

  4. Azadirachta

Show answer
Correct Option: A
Explanation:

Biofuels are the substances which are of biological origin and can be used as a source of energy. Jatropha has been used as a biofuel in India. The seeds of Jatropha contain an inedible oil which can be converted to biodiesel. The seed cake (residue left extraction of oil from seeds) can be used as fertilizer or food for cattle. The biodiesel of Jatropha oil emits 80% less carbon dioxide on burning than other fuels. So, the correct answer is 'Jatropha'.

L.P.G. is

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Low price gas

  2. Fossil fuel

  3. Low pressure gas

  4. Biogas

Show answer
Correct Option: B
Explanation:

L.P.G. stands for liquified petroleum gas which is prepared by compressing natural gas and is derived from fossil fuel sources. 

So, the correct answer is 'Fossil fuel'

Jatropha is a

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Biodiesel crop

  2. Biopetrol crop

  3. Fibre crop

  4. Food crop

Show answer
Correct Option: A

A bad firewood is that of

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Dalbergia

  2. Bauhinia

  3. Lagersroemia

  4. Terminalia

Show answer
Correct Option: A

Which should be used for production of bioethanol?

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Brassica

  2. Zea mays

  3. Jatropha

  4. Pongamia

Show answer
Correct Option: B

Which of the following is the most important conventional natural source of energy?

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Atomic energy

  2. Biogas

  3. Sunlight

  4. Fossil fuels

Show answer
Correct Option: D
Explanation:

Conventional source of energy is a type of source which is limited in nature like coal, gas, fuel, minerals etc. they take millions of years to replenish. 

So, the correct answer is 'Fossil fuels'

Which of the following is the way to control vehicular air-pollution in Indian cities ?

commercial applications bioenergy biofuels making biofuels technological and industrial development

  1. Use of CNG as fuel

  2. Use of unleaded petrol in the vehicles

  3. Use of catalytic converter in the vehicles

  4. All of these

Show answer
Correct Option: D
Explanation:

  1.  CNG produces 45% fewer hydrocarbons than gasoline.
  2. Unleaded petrol doesn't produce lead in the atmosphere.
  3. Catalytic converter reduces emissions of three harmful compounds found in car exhaust which are
  • Carbon monoxide (a poisonous gas)
  •  Nitrogen oxides (a cause of smog and acid rain) 
  • Hydrocarbons (a cause of smog)
  • So, the correct option is 'All of these'.