COMPONENTS OF ENVIRONMENT

Q1. The sphere of the environment where life exists is called

• –A ) Biosphere

• –B ) Hydrosphere

• –C ) Lithosphere

• –D ) Atmosphere

Q2 The most important component of the biological environment is ----

• –A ) Plant

• –B ) Man

• –C ) Water

• –D ) Land

Q3 The sphere of the environment which provides us land is called-

• –A ) Hydrosphere

• –B ) Atmosphere

• –C ) Lithosphere

• –D ) Biosphere

Q4 Volcanoes erupt due to --

• –A ) internal disturbance of the earth

• –B ) external disturbance of the earth

• –C ) climate change

• –D ) man-made changes on the earth

Q5 Identify the term that stands for the topmost layer of the earth comprising of loose material-

• –A ) minerals

• –B ) soil

• –C ) sial

• –D )sima

Q6 In which year was the wild life protection act passed in India .

• –A ) 1971

• –B ) 1972

• –C )1973

• –D )1974

Q7 The only planet in our solar system where life exists.

• –A ) Venus

• –B )Earth

• –C ) Mars

• –D ) Saturn

Q8 A narrow zone which support life is called ..

• –A ) Atmosphere

• B ) Biosphere

• –C ) Lithosphere

• –D )Hydrosphere

Q9 The rock which is rich in silica and magnesium is called --

• –A ) SIMA

• B)SIAL

• –C) IGNEOUS ROCK

• –D)NONE OF THESE

Q10 The water bodies that include rivers , lakes , seas and oceans cover how much percent of water ?

• –A ) 98 %

• –B) 96.5%

• –C) 71%

• –D)99%