Que- The abiotic and biotic components constitute the structure of an
a. energy flow
b. environment
c. atmosphere
d. Ecosystem
Answer- Ecosystem
Explanation- Biotic components are the living things that shape an ecosystem. Examples of biotic components include animals, plants, fungi, and bacteria. Abiotic components are non-living components that influence an ecosystem. Examples of abiotic factors are temperature, air currents, and minerals.
Que- All species on earth together with their environments collectively comprise
a. lithosphere
b. hydrosphere
c. atmosphere
d. biosphere
Answer- biosphere
Explanation- All species on earth together with their environments collectively comprise the Biosphere. It is a grouping of microorganisms, plants, and animals interacting with each other and their environment.
Que- The practical problem in hydrogen production is its
a. weight
b. valency
c. atomicity
d. chemical property
Answer- weight
Explanation- hydrogen production through biological routes is renewable and eco-friendly in nature. Numerous kinds of biomass can be utilized for hydrogen generation
Que- In the northern hemisphere, the number of hours of daylight begin to shorten after the
a. Spring equinox
b. Summer solstice
c. Autumn equinox
d. Winter solstice
Answer- Summer solstice
Explanation- After the June solstice, the sun follows a lower and lower path through the sky each day in the Northern Hemisphere until it reaches the point where the length of daylight is about 12 hours and eight to nine minutes in areas that are about 30 degrees north or south of the equator.
Que- Global warming is caused by
a. GHGs
b. CFCs
c. CH4
d. NO2
Answer- GHGs
Explanation- Global warming is caused by GHGs(Green house gases).
Que- Warming in the stratosphere is mainly caused by:
a. Absorption of ultraviolet radiation by ozone
b. Release of latent heat energy during condensation
c. Chemical reactions between ozone and chlorofluorocarbons
d. Frictional heating caused by meteorites
Answer- Absorption of ultraviolet radiation by ozone
Explanation- The Primary Cause of Global Warming is Ozone Depletion. Atmospheric temperature decreases with altitude in the troposphere and increases with altitude in the stratosphere.
Que- Major consumer of wood from forest is ___________
a. Thermal Power Plant
b. Paper Industry
c. Chemistry Industry
d. none
Answer- Paper Industry
Explanation- Major consumer of wood from forest is Paper Industry.
Que- _________ is the 12th Mega Biodiverse Country in the world.
a. India
b. America
c. China
d. Sri Lanka
Answer- India
Explanation- India is one of the 12 mega biodiversity countries in the world.
Que- Which plants die after flowering?
a. Lotus
b. Bamboo
c. Chrysanthemum
d. Butea
Answer- Bamboo
Explanation- Bamboo die after flowering.
Que- A smog that occurs due to low temperature and has reducing environment is
a. los angeles smog
b. photochemical smog
c. london smog
d. greenland smog
Answer- london smog
Explanation- Hence, the smog that occurs due to low temperature i.e. in cold climate, and has reducing environment is classical smog or London smog. So, the correct answer is 'London smog
Que- The earth's radiation is often referred to as ________radiation, while the sun's radiation is often referred to as _________radiation.
a. Shortwave, longwave
b. Shortwave, shortwave
c. Longwave, shortwave
d. Longwave, longwave
Answer- Longwave, shortwave
Explanation- The earth's radiation is often referred to as longwave radiation, while the sun's radiation is often referred to as shortwave radiation.
Que- Increased surface UV leads to increased __________ ozone
a. tropospheric
b. stratospheric
c. lonospheric
d. exospheric
Answer- tropospheric
Explanation- Increased surface UV leads to increased tropospheric ozone.
Que- Photochemical smog is called
a. Tokyo smog
b. London smog
c. Los Angeles smog
d. None of the above
Answer- Los Angeles smog
Explanation- Photochemical smog is called Los Angeles smog.
Que- The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?
a. High albedo of clouds, low albedo of water
b. High albedo of clouds, high albedo of water
c. Low albedo of clouds, low albedo of water
d. Low albedo of clouds, high albedo of water
Answer- High albedo of clouds, low albedo of water
Explanation- High albedo of clouds, low albedo of water is the set of conditions below best explains why this is so.
Que- What is oil slick?
a. Boiled oil
b. Cooled oil
c. Thin film of oil in sea water
d. Oil in deep sea
Answer- Thin film of oil in sea water
Explanation- A film or layer of oil floating on an expanse of water.
Que- India ranks __________ amongst the wind-energy producing countries of the world.
a. First
b. Second
c. Third
d. Fourth
Answer- Fourth
Explanation- India in the third week of December 2016 was ranked 4th in the Global Wind Power Installed Capacity Index. The cumulative installed wind power generation capacity of India is 25088 MW. The cumulative installed wind power generation capacity of China is 145362 MW.
Que- World wildlife week is observed during
a. First week of October
b. Last week of October
c. Third week of October
d. First week of September
Answer- First week of October
Explanation- Wildlife week is celebrated all over the country in the month of October from 2nd to 8th every year with the view to preserve the fauna, i.e., the animal life of the India.
Que- The concept that 'population tends to increase geometrically while food supply increases arithmetically' was put forward by
a. Adam Smith
b. Charles Darwin
c. Thomas Malthus
d. Stuart Mill
Answer- Thomas Malthus
Explanation- The concept that 'population tends to increase geometrically while food supply increases arithmetically were put forward by Thomas Malthus. In his theory of natural selection, Charles Darwin was greatly influenced by the English clergyman Thomas Malthus.
Que- About ____ of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting.
a. One-tenth
b. One-half
c. Three-quarters
d. Nine-tenths
Answer- One-half
Explanation- About one-half of the meteorologists and atmospheric scientists in the United States work in the field of weather forecasting.
Que- On which date was the Stockholm Conference on Human Environment held?
a. July 6th 1974
b. Aug 8th 1976
c. June 5th 1972
d. Dec 12th 1990
Answer- June 5th 1972
Explanation- On June 5th 1972 the Stockholm Conference on Human Environment was held.
Que- Point Calimere sanctuary is situated in which state?
a. Tamil Nadu
b. Kerala
c. Karnataka
d. Gujarat
Answer- Tamil Nadu
Explanation- Point Calimere sanctuary is situated in Tamil Nadu.
Que- Asiatic lion is found only in _______
a. Gir Forest
b. Manas
c. Kasiranga
d. Sundarbans
Answer- Gir Forest
Explanation- Asiatic lion is found only in Gir forests.
Que- The temperature scale where 0o represents freezing and 100o boiling:
a. Fahrenheit
b. Celsius
c. Kelvin
d. Absolute
Answer- Celsius
Explanation- The temperature scale where 0o represents freezing and 100o boiling is Celsius.
Que- In which Indian state is Corbett National park located
a. Madya Pradesh
b. Uttarakhand
c. Kerala
d. Tamilnadu
Answer- Uttarakhand
Explanation- Jim Corbett National Park is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger. It is located in Nainital district and Pauri Garhwal district of Uttarakhand and was named after Jim Corbett, a well known hunter and naturalist.
Que- The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the
a. biotechnical revolution
b. bioeconomic revolution
c. green house effect
d. green revolution
Answer- green revolution
Explanation- The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the green revolution.