EASY
Earn 100

Draw the schematic diagram of a biogas plant.

Important Questions on Alternative Sources of Energy

EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Which of the following is not an example of a biomass energy source?
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
By what name is biogas popularly known in India?
MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy
Explain why we are looking at the alternative sources of energy.
MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy
Draw a labelled diagram of bio-gas plant.
MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy
Name the major constituent of biogas. Write the properties of biogas which make it a good fuel.
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Name two uses biogas.
MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy

Consider the following statements and choose the correct alternative.

Statement - I : Heating capacity of biogas is more than that of biomass.

Statement - II : Biogas produces lesser pollution as compared to biomass.

EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Which of the following is not an example of a bio-mass energy source?
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Nowadays bio-diesel is used in transportation vehicles as an alternate to diesel. Write two advantages of this measure.
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy

Name the device shown in the given diagram. What is being prepared in it?

Question Image

EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Which type of micro-organisms are able to carry out the process of decomposition of a biogas plant?
HARD
Science>Physics>Alternative Sources of Energy>Biomass Energy

Explain the principle, construction and working of a bio-gas plant.

MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy
Draw a labelled schematic diagram of a biogas plant. What use is made of the slurry left behind in biogas plants?
HARD
Science>Physics>Alternative Sources of Energy>Biomass Energy

Draw a neat diagram of a biogas plant and label
(a) Inlet of slurry
(b) Digester and
(c) Gas outlet.

HARD
Science>Physics>Alternative Sources of Energy>Biomass Energy
Explain the principle and working of a biogas plant using a labelled diagram.
MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy

Describe the steps involved in obtaining biogas and explain what is meant by anaerobic decomposition.
 

MEDIUM
Science>Physics>Alternative Sources of Energy>Biomass Energy
What is biogas? How can biogas be obtained? Why is the use of biogas obtained from cow-dung advised in preference to the burn of cow-dung cakes?
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Name four gases commonly present in biogas.
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy?
EASY
Science>Physics>Alternative Sources of Energy>Biomass Energy
The condition for producing biogas is