Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
Anaerobic bacteria are microorganisms that can thrive in the absence of oxygen. These bacteria break down organic matter, such as animal waste, through a process called anaerobic digestion, and in the process, they produce biogas. Biogas primarily consists of methane, which can be used as a source of energy.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Solve this crossword by using the clues that follow.

Across
1. Energy in the form of sunlight is absorbed by the green plants in this process.
4. The reddish-brown substance formed over iron in the presence of oxygen and moisture.
5. This change is permanent and irreversible.
6. The process in which a solid directly changes into gaseous state.
Down
1. It is the change that takes place in case of swinging pendulum of a clock.
2. Occurrence of this is a non-periodic change as well as a natural change.
3. It is a physical change
Make a list of different types of changes with example.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Select the chemical changes from the following list of changes
Butter turning rancid
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
Adding sugar to milk is a physical change.
