Download App

Sources of Energy — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceSources of Energy3 Marks
Question
What are the various factors which we should keep in mind while choosing a source of energy?
✓

Answer

Various factors to be kept in mind while choosing a source of energy are:
  1. The ease of extracting energy from that source.
  2. The cost of extracting energy from that source.
  3. The efficiency of technology available for extracting energy from that source.
  4. The damage to environment caused by using that source.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[3 Mark Questions]" from Sources of Energy→Sources of Energy — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

What are herbivores, carnivores and omnivores? Give two examples of each.
→
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
→
Give two examples each of:
  1. Group 1 elements.
  2. Group 17 elements.
  3. Group 18 elements.
→
Classify the following compounds as alkanes, alkenes and alkynes: $C _2 H _4, C _3 H _4, C _4 H _8, C _5 H _{12}, C _5 H _8, C _3 H _8, C _6 H _6$
→
How is food transported in plants?
→
Compare and contrast biomass and hydroelectricity as sources of energy.
→
On cutting the body of an organism into many pieces it was observed that many of these pieces developed as new individuals. Name the process and list two organisms in which this process may be observed. Draw a schematic diagram to illustrate the changes that are likely to be observed during the development of new individuals in any one of the organisms named.
→
What is speciation? List four factors responsible for speciation.
→
“Damage to the ozone layer is a cause for concern.” Justify this statement. Suggest any two steps to limit this damage
→
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reason for your answer.
→