Class 10 Science - Chapter Our Environment NCERT Solutions | Give any two ways in which biodegradable
Give any two ways in which biodegradable substances would affect the environment.
The biodegradable substances would affect the environment and they can easily degraded by the natural actions. Two ways are following in which biodegradable substances affect the environment:-
-
Biodegradable substances decomposed easily, they are less harmful than the non- biodegradable substances. When the decomposition process occurs through the microbial action or the radiations they produce foul smell. Biodegradable wastes like green waste, food waste, paper etc. pollutes the environment only when they are present in the excess amount and produce some harmful gases like ammonia, methane gas, carbon dioxide that may cause global warming.
-
When the decomposition process occurs by some microbes of biodegradable wastes, which contains houseflies, mosquitoes which carry the parasites which are the main causes of the human diseases.
More Questions From Class 10 Science - Chapter Our Environment
- Q:-
What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?
- Q:-
Which of the following constitute a food-chain?
(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat - Q:-
If all the waste we generate is biodegradable, will this have no impact on the environment?
- Q:-
Why are some substances biodegradable and some non-biodegradable?
- Q:-
Which of the following groups contain only biodegradable items?
(a) Grass, flowers and leather
(b) Grass, wood and plastic
(c) Fruit-peels, cake and lime-juice
(d) Cake, wood and grass - Q:-
How can you help in reducing the problem of waste disposal? Give any two methods.
- Q:-
What is ozone and how does it affect any ecosystem?
- Q:-
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
- Q:-
What is the role of decomposers in the ecosystem?
- Q:-
What will happen if we kill all the organisms in one trophic level?
Popular Questions of Class 10 Science
- Q:-
Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.
- Q:-
What is a good source of energy?
- Q:-
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?
- Q:-
What changes can you make in your habits to become more environment-friendly?
- Q:-
What is the difference between a reflex action and walking?
- Q:-
What is the importance of DNA copying in reproduction?
- Q:-
If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?
- Q:-
Why should a magnesium ribbon be cleared before burning in air?
- Q:-
Define the principal focus of a concave mirror.
- Q:-
You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
Recently Viewed Questions of Class 10 Science
- Q:-
When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.
- Q:-
What is meant by saying that the potential difference between two points is 1 V?
- Q:-
You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
- Q:-
The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
- Q:-
Give an example of a plant hormone that promotes growth.
- Q:-
What are the methods used by plants to get rid of excretory products?
- Q:-
Name the type of mirror used in the following situations.
(a) Headlights of a car.
(b) Side/rear-view mirror of a vehicle.
(c) Solar furnace.Support your answer with reason.
- Q:-
Name
(a) three elements that have a single electron in their outermost shells.
(b) two elements that have two electrons in their outermost shells.
(c) three elements with filled outermost shells. - Q:-
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
- Q:-
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.
- All Chapters Of Class 10 Science
- All Subjects Of Class 10