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Question

The source of dendrothermal energy is

The correct answer is

Biomass

Understanding Dendrothermal Energy

Dendrothermal energy refers to the thermal energy generated from the combustion or conversion of woody plant materials. The term combines 'dendro,' meaning tree or wood in Greek, with 'thermal,' relating to heat.

Source of Dendrothermal Energy

The primary source of dendrothermal energy is Biomass. Specifically, it utilizes woody biomass, which includes:

  • Wood residues (like sawdust and wood chips)
  • Forest thinnings
  • Wood from dedicated energy crops grown on plantations
  • Agricultural wood waste

This biomass is harvested and then typically burned directly to produce heat or steam, which can then be used for heating purposes or to generate electricity.

Analyzing Other Options

Let's look at why the other options are not the correct source:

  • Coal: Coal is a fossil fuel formed over millions of years. While it is a source of thermal energy, it is distinct from dendrothermal energy, which relies on recently grown plant matter.
  • Pyrolysis: Pyrolysis is a thermochemical conversion process used to transform biomass (including wood) into other energy forms like bio-oil, syngas, and biochar. It is a method of processing the source material, not the source itself.
  • Natural Gas: Natural gas is another fossil fuel, primarily composed of methane. It is a different energy source from the woody biomass used in dendrothermal systems.
  • Answer not known: This option is incorrect as the source is identifiable.

Conclusion on Dendrothermal Source

Therefore, the direct source material for dendrothermal energy is woody Biomass.

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Important Questions from Indian Economic and Human Geography

  1. Deendayal Port was earlier known as:

  2. Match List-I with List-II and select the correct answer using the code given below the Lists :

    List-I

    (Railway zone)

    List-II

    (Headquarters)

    A.

    East Central

    1.

    Gorakhpur

    B.

    North Eastern

    2.

    Jaipur

    C.

    Northeast Frontier

    3.

    Hajipur

    D.

    North Western

    4.

    Maligaon

  3. Which of the following statements is/are correct?

    1. India has one of the longest navigable inland water networks in the world.

    2. Inland waterways presently help in transporting about 25 percent of the total cargo movement.

    3.  About 111 inland waterways have been declared as National Waterways under the National Waterways Act, 2016.

    Select the correct answer using the code given below.

  4. Consider the following statements on computation of density :

    1. Physiological density can be computed by dividing the total population by the net cultivable area.

    2. Agricultural density can be computed by dividing the total agricultural population by the net cultivable area.

    3. Population density can be computed by dividing the total population by the total area.

    How many of the above statements is/are correct?

  5. Consider the following statements :

    1. Maharashtra State has the maximum share of national highways (length in kilometres).

    2. The nature of terrain and the level of economic development is one of the reasons for the maximum share of national highways in Maharashtra.

    Which of the statements given above is/are correct? 

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