Environmental conservation - class-IX
Description: environmental conservation | |
Number of Questions: 53 | |
Created by: Nitesh Divan | |
Tags: biology pollution ancient indian economic concepts environmental pollution and industries zoology commercial applications business organisation and correspondence environmental issues environmental management industrial pollution and degradation of environment economics |
Which of the following country is responsible for releasing largest amount of green-house gases?
Which of the following is considered a type of pollution?
A pollutant is an agent which causes change in
A substance that pollute something is called as
Introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e, physical systems or living organisms, is called as
Which ecosystem generate wealth as well as causes pollution?
The major pollutant from automoblie exhaust is
The pollutant which effects more to the organism of higher trophic level is
Which is not a positive pollution -
Soap and detergents are the source of organic pollutants like:
Effect of pollution is first marked on
Pollutants in form of fine dust particles are known as
Any unfavorable alteration of the environment may be called as
During inversion, visibility is reduced and pollutant concentration is
For which of the following PM10 and PM2.5 Samplers are used?
Which is not a pollutant from exhaust of motor vehicle?
Effect of pollution is first marked on
Which of the following statements is true?
A very harmful fibrous component causing pollution and an inflicting disease of lungs in human beings is
Which human disease becomes aggravated by atmospheric pollution?
Floride pollution produces necrosis or chlorosis of
Which of the following are bio pollutants?
Pollution indicator plants
Labours working in a cement factory suffer from
A pollutant that cause irritation in eyes, nose and throat is
Very fine organic or inorganic particles suspended in air is known as
Which of the following groups of plants can be used as indicators of S$O _2$ pollution of air?
Which of the following is a weightless pollutant?
The visibility in cities has reduced in comparison to villages due to the presence of
Which of the following is a secondary air pollutant?
Which of the following is not a pollutant?
The pollutant that directly affects the nervous system is
Industries are the chief source of _____ pollution.
All are particulate pollutants except
Which of the following is considered a type of pollution?
_______ Is any such constituent which causes pollution.
Air pollution can be
Which of the following causes pollution?
Pollutants are _____
When do we consider environment to be polluted?
Effect of pollution is first marked on
Which of following is not a cause of natural pollution ?
Which of the following statements is correct ?
Fill in the blanks:
Benzopyrene is a/an
Which one of the following environmental pollutants has the problem of biomagnifications?
A pollutant is any substance, chemical or other factor that changes
Find the odd one out:
Carbon mono oxide is a pollutant because
Contamination of water with mercury causes which disease ?
The toxic substance in ecosystem is called as ________.
Read the passage and answer the following questions:
Six pairs of bald vulture were released into the wild in Germany. Four of the pairs of birds successfully nested and raised young. Two of the pairs nested near an industrial complex that released waste products (PCBs) into a nearby lake. These birds laid eggs, but the embryos failed to develop.
Which of the following is the least likely reason for the failure of the embryos to develop?
For clean environment, which one is not essential?
Which of the following statements are correct ?
(I) Benzene hexachloride (BHC) is a non-biodegradable pollutant.
(ii) Anthropogenic air pollutants are natural in origin.
(iii) Carbon monoxide is a primary air pollutant.
(iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.