Tag: components and importance of food

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Multiple choice components and importance of food science of kitchen evs

The production of alternative sources of non renewable sources is called as

  1. Renewable resources

  2. Eco-efficiency

  3. Sustainable development

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • The production of alternative sources of non-renewable (not capable of being replenished) sources is called as Eco-efficiency.
  • The term eco-efficiency was coined by WBCSD(World Business Council for Sustainable Development) in its 1992 publication
  • Eco-efficiency can be achieved by the use of alternative raw materials and recycling wastes.
  • Hence the production of alternative sources of non-renewable sources is called as Eco-efficiency.
  • So, the correct answer is 'Eco-efficiency'.
Multiple choice components and importance of food science of kitchen evs

What is bagasse?

  1. Biomas of sugarcane

  2. Biomas of wheat

  3. Biomas of grass

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Bagasse is the dry pulpy fibrous residue left after the extraction of juice from sugar cane.
  • Bagasse products are perfect alternatives to petroleum-based and plastic products.
  • It is used as a biofuel for the production of heat, energy, and electricity, and in the manufacture of pulp and building materials. 
  • Hence bagasse is Biomass of sugarcane.
  • So, the correct answer is 'Biomass of sugarcane'.
Multiple choice components and importance of food science of kitchen evs

The term eco-efficiency was coined by

  1. WHO

  2. NCBI

  3. WWF

  4. WBCSD
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  • The production of alternative sources of non-renewable (not capable of being replenished) sources is called as Eco-efficiency. It is based on the concept of creating more goods and services while using fewer resources and creating less waste and pollution.
  • The term eco-efficiency was coined by WBCSD(World Business Council for Sustainable Development) in its 1992 publication.
  • Hence The term eco-efficiency was coined by WBCSD.
  • So, the correct answer is 'WBCSD'.
Multiple choice components and importance of food science of kitchen evs

Given below are four statements each with two blanks.
Select the option which correctly fills up the blank in any two statements.
(i) Bhopal gas disaster took place on_____ 1984 and this day is now observed as the______ day in India to make the anniversary of the Bhopal gas disaster.
(ii) _____ is a biodegradable pollutant while_____ is a non-biodegradable pollutant.
(iii) When pollutants are released from a single point it is called______ pollution, but when it is over a large area, then it is called_____ pollution.
(iv) ______ is the world's most problematic aquatic weed, introduced in India for its lovely flowers, also called as______.

  1. (i) December 5, National pollution prevention (iv) Parthenium, terror of Bengal

  2. (i) December 2, Bhopal gas tragedy (ii) DDT, sewage

  3. (ii) Sewage, DDT (iii) point source, non point source

  4. (iii) line source, fixed source (iv) Eicchornia,tiger of bengal
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

(i) Bhopal gas disaster took place on 3rd December 1984 and this day is now observed as the Bhopal gas tragedy day in India to make the anniversary of the Bhopal gas disaster.

 (ii) Sewage is a biodegradable pollutant while DDT is a non-biodegradable pollutant.
(iii) When pollutants are released from a single point it is called point source pollution, but when it is over a large area, then it is called non-point source pollution.
(iv) Parthenium is the world's most problematic aquatic weed, introduced in India for its lovely flowers, also called the terror of Bengal.

So the right answer is '(ii) Sewage, DDT (iii) point source, non-point source'.

Multiple choice components and importance of food science of kitchen evs

Percentage of photosynthetically active radiation (PAR) in the incident solar radiation is?

  1. $1-5\%$
  2. $2-10\%$
  3. Less than $50\%$
  4. Approx. $100\%$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Less than $50\%$ of the solar energy incident over earth is PAR(photosynthetically active radiation).

Multiple choice components and importance of food science of kitchen evs

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by _________________.

  1. Storing them in underground storage tanks

  2. Using them for producing biogas

  3. Dumping them in river

  4. Using them directly as biofertilisers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by using them to produce biogas for domestic use. 

So, The correct answer is (B).

Multiple choice components and importance of food science of kitchen evs

Biogas is composed of

  1. methane, carbon dioxide, nitrogen and hydrogen

  2. carbon dioxide, nitrogen and hydrogen

  3. ethane, carbon dioxide, nitrogen and hydrogen

  4. methane, carbon dioxide, nitrogen and sulphur
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biogas is primarily a mixture of methane and carbon dioxide, with smaller amounts of hydrogen, nitrogen, and hydrogen sulfide. Option A is the most accurate description among the choices.

Multiple choice components and importance of food science of kitchen evs

Management that meets the needs of present generation without compromising the ability of the future generation to meet their needs. 

  1. Sustainable development

  2. Afforestation

  3. Social forestry

  4. All
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Definition of sustainable development the management of forest resources in a sustainable manner, involves two aspects - prevention of deforestation and extension of out forest wealth. 

Multiple choice components and importance of food science of kitchen evs

Which one of the following is not a conventional sources of energy 

  1. LPG

  2. Coal

  3. Petroleum

  4. Solar cooker
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Solar cooker is a non conventional sources of energy. Increasing population would need more and more energy. New sources such as solar energy, nuclear energy are being used. Solar cooker uses solar energy.