Que- Which of the following region has maximum diversity?
a. mangrooves
b. temperate rainforest
c. taiga
d. coral reefs
Answer- coral reefs
Explanation- Coral reefs has maximum diversity.
Que- Green Land biome
a. Tundra
b. Pampas
c. Taiga
d. Thaar
Answer- Pampas
Explanation- Greenland is made up of two biomes. The polar ice cap that is located in the center of the island, and the tundra that covers the coastline.
Que- The wind-chill factor:
a. Relates body heat loss with wind to an equivalent temperature with no wind
b. Indicates the temperature at which water freezes on exposed skin
c. Takes into account humidity and air temperature in expressing the current air temperature
d. Tells farmers when to protect crops from a freeze
Answer- Relates body heat loss with wind to an equivalent temperature with no wind
Explanation- Wind-chill or windchill is the lowering of body temperature due to the passing-flow of lower-temperature air. Wind chill numbers are always lower than the air temperature for values where the formula is valid. When the apparent temperature is higher than the air temperature, the heat index is used instead.
Que- Abundant source of inonazite sands are found on the sea shores of
a. Maharashtra
b. West Bengal
c. Tamil Nadu
d. Kerala
Answer- Kerala
Explanation- Abundant source of inonazite sands are found on the sea shores of Kerala.
Que- Boron, Zinc and Manganese are usually referred to as
a. Micronutrients
b. Macronutrients
c. Soil Vitamins
d. MBZ nutrients
Answer- Micronutrients
Explanation- Zinc, Chlorine, Boron, Molybdenum, Copper, Iron, Manganese, Cobalt and Nickel are called micro-nutrients. They are called so because they are found and needed by plants in very small amount relative to other nutrients and are least likely to be limiting plant growth and healthy development.
Que- _________ are used for converting saline or brackish water into pure distilled water.
a. Photo voltaic cells
b. Solar desalination systems
c. Solar cookers
d. Solar water-heating
Answer- Solar desalination systems
Explanation- Distillation desalination is one of mankind's earliest forms of water treatment, and it is still a popular treatment solution throughout the world today. In ancient times, many civilizations used this process on their ships to convert sea water into drinking water.
Que- The primary cause of a radiation inversion is:
a. Infrared radiation emitted by the earth's surface
b. Infrared radiation absorbed by the earth's surface
c. Solar radiation absorbed by the earth's surface
d. Solar radiation reflected by the earth's surface
Answer- Infrared radiation emitted by the earth's surface
Explanation- A relatively cool layer of air, usually adjacent to a ground surface cooled by net loss of radiation, in which the air temperature increases with height.
Que- Charged particles from the sun that travel through space at high speeds are called:
a. Radiation
b. The aurora
c. Solar wind
d. Solar flares
Answer- Solar wind
Explanation- The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona.
Que- All are particulate pollutants except
a. Dust
b. Ozone
c. Soot
d. Smoke
Answer- Ozone
Explanation- Particulate matter consists of soot, flash, dust of various types, fur, hair, spores etc. They are classified into settleable and suspended particulate matter.
Que- Green Revolution in India was initiated by __________
a. M.S. Swaminathan
b. Sunderlal Bahuguna
c. Kurien
d. Medha Patkar
Answer- M.S. Swaminathan
Explanation- M.S. Swaminathan is an Indian geneticist and international administrator, renowned for his leading role in India's Green Revolution a program under which high-yield varieties of wheat and rice seedlings were planted in the fields of poor farmers.
Que- The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
a. Vienna convention
b. Montreal Protocol
c. Kyoto Protocol
d. Ozone Protocol
Answer- Kyoto Protocol
Explanation- The Kyoto Protocol implemented the objective of the UNFCCC to reduce the onset of global warming by reducing greenhouse gas concentrations in the atmosphere to " a level that would prevent dangerous anthropogenic interference with the climate system " .
Que- The only known breeding colony of the greater and lesser Flamingos in our country is seen in _______ desert.
a. The Great Rann of Kutch
b. The Thar
c. Ladakh
d. Atacama
Answer- The Great Rann of Kutch
Explanation- Little Rann of Kutch or Kutch Desert Wildlife Sanctuary has the largest and most popular breeding grounds for the Lesser Flamingos in India.
Que- An example of lotic system
a. Pond
b. River
c. Lake
d. Reservoir
Answer- River
Explanation- A Lotic Ecosystem has flowing waters. Examples include: creeks, streams, runs, rivers, springs, brooks and channels. A Lentic Ecosystem has still waters. Examples include: ponds, basin marshes, ditches, reservoirs, seeps, lakes, and vernal / ephemeral pools.
Que- Oil spills are a source of pollution for
a. water
b. land and water
c. land and air
d. air and noise
Answer- land and water
Explanation- Oceans are polluted by oil on a daily basis from oil spills, routine shipping, run-offs and dumping. Oil spills are a source of pollution for land and water.
Que- __________ is derived recently from living organisms and their metabolic products.
a. Biofuel
b. Biomass
c. Fossil fuel
d. Gobar gas
Answer- Biofuel
Explanation- Biofuel is derived recently from living organisms and their metabolic products.
Que- According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.
a. Negative third
b. Zeroeth
c. Fourth
d. Tenth
Answer- Fourth
Explanation- According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the fourth power.
Que- The nation whose government is promoting large families because of an aging population and low fertility rate is
a. the United States
b. India
c. France
d. China
Answer- France
Explanation- The nation whose government is promoting large families because of an aging population and low fertility rate is France.
Que- _________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
a. Denmark
b. Germany
c. France
d. Spain
Answer- Germany
Explanation- Germany is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
Que- The pyramid of biomass is inverted in
a. forest ecosystem
b. grassland ecosystem
c. fresh water ecosystem
d. tundra
Answer- fresh water ecosystem
Explanation- The pyramid of biomass is inverted in fresh water ecosystem.
Que- The first national park of Kerala
a. Aralam
b. Kottayam
c. Idukki
d. Iravikulam
Answer- Iravikulam
Explanation- Eravikulam National Park is a 97 km2 national park located along the Western Ghats in the Idukki district of Kerala in India.
Que- Agastyamalai Biosphere reserve is in
a. Pathanamthitta
b. Thiruvananthapuram
c. Idukki
d. Wayanad
Answer- Thiruvananthapuram
Explanation- Agastyamalai Biosphere reserve is in Thiruvananthapuram.
Que- Mullaperiyar dam is in the district?
a. Thrissur
b. Pathanamthitta
c. Idukki
d. Alappuzha
Answer- Idukki
Explanation- Mullaperiyar dam is on the Cardamom Hills of the Western Ghats in Thekkady, Idukki District of Kerala, South India.
Que- Mulching helps in
a. soil fertility
b. moisture conservation
c. improvements soil structure
d. soil sterility
Answer- moisture conservation
Explanation- Mulch is any material that is spread or laid over the surface of the soil as a covering. It is used to retain moisture in the soil, suppress weeds, keep the soil cool, and make the garden bed look more attractive. Organic mulches also help improve the soil's fertility, as they decompose.
Que- In most areas, the warmest time of the day about 5 feet above the ground occurs:
a. Around noon
b. In the afternoon between 3 and 5 PM
c. In the early evening after 6 PM
d. Just before the sun sets
Answer- In the afternoon between 3 and 5 PM
Explanation- In most areas, the warmest time of the day about 5 feet above the ground occurs: in the afternoon between 3 and 5 PM.
Que- Man made sources of radiation pollution are:
a. mining
b. explosion of nuclear weapons
c. nuclear fuels and preparation of radioactive isotopes
d. all of these
Answer- all of these
Explanation- All of these