1149.What happen if phytoplankton of an ocean is completely destroyed for some reason?
A. The ocean as a carbon sink would be adversely affected
B. The food chain in the ocean would be adversely affected
C. The density of ocean water would drastically increase.
Choose the correct codes from the given below
A. The ocean as a carbon sink would be adversely affected
B. The food chain in the ocean would be adversely affected
C. The density of ocean water would drastically increase.
Choose the correct codes from the given below
A and B only
B and C only
A,B and C
None
1150.What is the role of UV Radiation in water purification systems?
It inactivates the harmful microorganisms in water
It activates the harmful microorganisms in water
It gives pure water by removing dust particles
All the above
1151.Chlorofluorocarbons known as ozone-depleting substances are used in which of the following?
A. Production of plastic foams
B. In cleaning certain electronic components
C. As pressurizing agents in aerosol coins.
Choose the correct codes from the given below
A. Production of plastic foams
B. In cleaning certain electronic components
C. As pressurizing agents in aerosol coins.
Choose the correct codes from the given below
A and B only
B and C only
A,B and C
None
1152.What is the importance of Sea Buckthorn?
A. Helps in controlling soil erosion and in preventing desertification
B. Has nutritional value and is well-adapted to live in cold areas of high altitudes
Choose the correct codes from the given below
A. Helps in controlling soil erosion and in preventing desertification
B. Has nutritional value and is well-adapted to live in cold areas of high altitudes
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1153.Which of the following are found as pollutant in the drinking water in some parts of India?
Arsenic
Fluoride
Uranium
All the above
1154.In the grassland tress do not replace the grasses as a part of an ecological Succession. What is the reason behind it?
Water limits
Fire
Both A and B
None of the above
1155.Acid rain is caused by the pollution of environment by?
A. Nitrous oxide
B. Sulphur dioxide
C. Hydrogen
D. Carbon
Choose the correct codes from the given below
A. Nitrous oxide
B. Sulphur dioxide
C. Hydrogen
D. Carbon
Choose the correct codes from the given below
A and B only
A, B and C only
A,B and C
A, B, C, and D
1156.What is Nostoc?
Used as bio-fertilizer
Used as chemicals
Used in purification process
Used in Absorption process
1157.Photochemical smog is a resultant of the reaction among?
NO2, O3 , Peroxyacetyl nitrate in presence of sunlight
O3 , Peroxyacetyl nitrate in presence of sunlight
H2 , CH4, Peroxyacetyl nitrate in presence of sunlight
H2 , CH4, NO2 in presence of sunlight
1158.In food chain what are all Decomposer Organisms?
A. Fungi
B. Bacteria
Choose the correct codes from the given below
A. Fungi
B. Bacteria
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1159.What is the process involved in Photosynthesis?
Free energy is converted into kinetic energy and released
Free energy is converted into potential energy and released
Free energy is converted into kinetic energy and stored
Free energy is converted into potential energy and stored
1160.In India what is the problem of soil erosion is associated with?
Deforestation
Heavy rain
Both A and B
None of the above
1161.Lichens which are capable of initiating ecological Succession even on a base rock are actually a symbiotic association of?
A. Algae
B. Fungi
C. Bacteria
Choose the correct codes from the given below
A. Algae
B. Fungi
C. Bacteria
Choose the correct codes from the given below
A only
B and C
Both A and B
A,B and C
1162.The most important strategy for the conservation of bio diversity together with traditional human life is the establishment of?
A. Bio-sphere reserves
B. National Park
Choose the correct codes from the given below
A. Bio-sphere reserves
B. National Park
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1163.What is mean by Eco-Sensitive Zone?
A. An environmentally Sensitive Area (ESA) is a type of designation for agricultural area which needs special protection because of its landscape, wildlife, or historical value.
B. The purpose of the Eco-sensitive zones is to prohibit all kind of human activities in those zones except agriculture
Choose the correct codes from the given below
A. An environmentally Sensitive Area (ESA) is a type of designation for agricultural area which needs special protection because of its landscape, wildlife, or historical value.
B. The purpose of the Eco-sensitive zones is to prohibit all kind of human activities in those zones except agriculture
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1164.Phenomenon of Hibernation is observed in which of the below kind of animals?
A. Bats
B. Bears
C. Rodents
Choose the correct codes from the given below
A. Bats
B. Bears
C. Rodents
Choose the correct codes from the given below
A only
B and C
Both A and B
A,B and C
1165.What is the correct sequence of Food chain?
Diatoms-Herrings-Crustaceans
Crustaceans-Diatoms-Herrings
Diatoms-Crustaceans-Herrings
Herrings-Diatoms-Crustaceans
1166.If you travel through Himalayas you are likely to see which of the following plants naturally growing?
A. Oak
B. Sandalwood
Choose the correct codes from the given below
A. Oak
B. Sandalwood
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1167.If you walk through Countryside you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses?
Common Myna
Bee
Asiatic Wild Ass
Musk Deer
1168.Other than Poaching, What are the possible reasons for the decline in population of Ganges River Dolphins?
Construction of dams and barrages on rivers
Getting trapped in fishing nets accidentally
Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers
All the above
1169.In India cluster Bean (Guar) is traditionally used as vegetable/animal feed but recently the cultivation of this has assumed significance because of?
A. The gum made from its seeds is used in the extraction of shale gas
B. The gum made from its seeds are used in rubber manufacturing
Choose the correct codes from the given below
A. The gum made from its seeds is used in the extraction of shale gas
B. The gum made from its seeds are used in rubber manufacturing
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1170.There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in manufacturing various products?
They can accumulate in the environment and contaminate water and soil
They can enter in to the food chain
They can trigger the production free radicals
All the above
1171.Some important pollutants released by steel industry in India are?
A. Oxides of Sulphur
B. Oxides of Nitrogen
C. Carbon Monoxide
D. Carbon dioxide
Choose the correct codes from the given below
A. Oxides of Sulphur
B. Oxides of Nitrogen
C. Carbon Monoxide
D. Carbon dioxide
Choose the correct codes from the given below
A only
B only
A,B and C
A, B, C, D
1172.Brominated flame retardants are used in many household products like mattresses and upholstery concern about their use?
They are highly resistant to degradation in the environment
They are able to accumulate in humans and animals
Both A and B
None of these
1173.If a wetland of International importance is brought under the Monstreux record, what does it imply?
A. Changes in ecological character have occurred
B. They are likely to occur in the wetland as a result of human interference
Choose the correct codes from the given below
A. Changes in ecological character have occurred
B. They are likely to occur in the wetland as a result of human interference
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1174.Which have a bearing on biodiversity?
The International treaty on plant genetic resources for food and agriculture
The united nations convention to combat deforestation
The world heritage convention
All the above
1175.The scientific view is that increase in global temperature should not exceed 20c above pre-industrial level. If the global temperature increases beyond 30C above pre-industrial level. What can be its possible impact on world?
A. Terrestrial biosphere tend toward a net carbon source
B. Widespread coral mortality will occur
Choose the correct codes from the given below
A. Terrestrial biosphere tend toward a net carbon source
B. Widespread coral mortality will occur
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1176.Which of the following is True about Earth Hour?
It is a movement in which the participants switch off the lights for one hour on a certain day every year
Movement to raise the awareness about the climate change and the need to save the planet
It is a movement in which the participants switch off the lights for one hour on a certain day every week
Both A and B are true
1177.Which one is True according to Bombay Natural History Society(BNHS)?
A. It strives to conserve nature through action based research, education and public awareness
B. It organizes and conducts nature trails and camps for general public
Choose the correct codes from the given below
A. It strives to conserve nature through action based research, education and public awareness
B. It organizes and conducts nature trails and camps for general public
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1178.Which is correct about 3-R Principle or Three-R Principle?
Reduce, Reuse, Recycle
Reduce, Repair, Recover
Recover, Reuse, Repair
Reuse, Recover, Repair
1179.What are coarse particles (PM10) and how they are made ?
A. Smoke, dirt and dust from factories, farming and roads are called coarse particles. They are made from crushing and grinding of rocks and soils.
B. Toxic organic compound and heavy metals are called coarse particles. They are made from driving automobiles, burning plants and smelting and processing metals.
Choose the correct codes from the given below
A. Smoke, dirt and dust from factories, farming and roads are called coarse particles. They are made from crushing and grinding of rocks and soils.
B. Toxic organic compound and heavy metals are called coarse particles. They are made from driving automobiles, burning plants and smelting and processing metals.
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1180.Who developed Gaia Theory and when?
A. It is a theory compelling new way of understanding life in our planet.
B. This theory asserts that living organisms and their inorganic surroundings have evolved together as a single living system that greatly affects the chemistry and conditions of earths surface
Choose the correct codes from the given below
A. It is a theory compelling new way of understanding life in our planet.
B. This theory asserts that living organisms and their inorganic surroundings have evolved together as a single living system that greatly affects the chemistry and conditions of earths surface
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1181.What is the role of carbon cycle?
Carbon is exchanged or cycled among earths oceans, atmosphere, ecosystems and geosphere.
All living organisms are built of carbon compounds.
It is the fundamental building block of life and an important component of many chemical processes.
All the above.
1182.Which one of the following is True about Kyoto Protocol?
It is an International treaty, which extends the 1992 United Nations framework convention on climate change that commits state parties to reduce greenhouse gases emissions.
One of the most successful treaties which having 196 parties. Acts as a framework for International efforts to protect ozone layer
International treaty designed to reduce the movements of hazardous waste between nations, especially from developed to less developed countries.
This treaty is signed to ensure International trade in specimens of wild animals and plants does not threaten the survival of species in wild
1183.Which of the following are responsible for bringing Dynamic Change in Surface of earth?
A. Electromagnetic radiation
B. Geothermal energy
C. Gravitational force
D. Plate movements
E. Rotation of earth
F. Revolution of earth
Choose the correct codes from the given below
A. Electromagnetic radiation
B. Geothermal energy
C. Gravitational force
D. Plate movements
E. Rotation of earth
F. Revolution of earth
Choose the correct codes from the given below
A,B, and C only
B,D,F, and E only
A,B,D, and E only
A,B,C,D,E,F
1184.Thunderstorm, thunder in skies is produced by?
A. Meeting of cumulonimbus clouds in sky
B. Violent upward movement of air and water particles
Choose the correct codes from the given below
A. Meeting of cumulonimbus clouds in sky
B. Violent upward movement of air and water particles
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1185.In which region where the Climate is Extreme rainfall are scanty people used to be Nomadic Herders?
Africa
South Continent
Central Asian Steppe
Both A and B
1186.Mixed Farming is referred as?
A System of farming which involves the growing of crops as well as the raising of livestock
A farming where two or more crops are grown simultaneously.
Both A and B
None of the above
1187.What is true according to Wetland in India?
A. Countrys total geographical area under the category of wetland is recorded more in Gujarat as compared to other states
B. Total geographical coastal wetland covers about 41,40,116 hectare where inland wetland covers about 1,05,64,899 hectare.
Choose the correct codes from the given below
A. Countrys total geographical area under the category of wetland is recorded more in Gujarat as compared to other states
B. Total geographical coastal wetland covers about 41,40,116 hectare where inland wetland covers about 1,05,64,899 hectare.
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1188.Which of the following is true according to Influence of Ocean Currents?
Rotation of earth
Air pressure and wind
Density of ocean water
All the above
1189.What is the reason behind Ozone hole in Antarctic Region?
A. Presence of prominent polar front and stratospheric clouds.
B. Inflow of chlorofluoro carbons.
Choose the correct codes from the given below
A. Presence of prominent polar front and stratospheric clouds.
B. Inflow of chlorofluoro carbons.
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1190.Context of Ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing which of the below?
Nutrients to the surface
Oxygen to the surface
Both A and B
None of the above.
1191.What is mean by Micro-Irrigation?
A. Fertilizers or nutrients loss can be reduced through Micro-irrigation.
B. Some areas of farming receding of ground water table can be checked
Choose the correct codes from the given below
A. Fertilizers or nutrients loss can be reduced through Micro-irrigation.
B. Some areas of farming receding of ground water table can be checked
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1192.Which of the following is true about Carbon Sequestration or Storage in Soil?
Contour Bunding
Relay cropping
Zero Tillage
All the above
1193.What is the difference between Antelope Oryx and Chiru?
A. Oryx are adapted to live in hot and arid areas where Chiru are adapted to live in steppes and semi-desert areas of cold high mountains
B. Oryx are adapted to live in steppes and semi-desert areas of cold high mountains where Chiru are adapted to live in hot and arid areas.
Choose the correct codes from the given below
A. Oryx are adapted to live in hot and arid areas where Chiru are adapted to live in steppes and semi-desert areas of cold high mountains
B. Oryx are adapted to live in steppes and semi-desert areas of cold high mountains where Chiru are adapted to live in hot and arid areas.
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1194.Where the peoples are not allowed to collect and use Biomass?
National Parks
Bio-sphere Reserves
Forest reserves
All the above
1196.What is difference between LPG and CNG?
A. LPG is produced during refining of crude oil and processing of natural gas where CNG is not liquefied but only compressed less than 1%
B. CNG is produced during refining of crude oil and processing of natural gas where LPG is not liquefied but only compressed less than 1%
Choose the correct codes from the given below
A. LPG is produced during refining of crude oil and processing of natural gas where CNG is not liquefied but only compressed less than 1%
B. CNG is produced during refining of crude oil and processing of natural gas where LPG is not liquefied but only compressed less than 1%
Choose the correct codes from the given below
A only
B only
Both A and B
Neither A nor B
1197.Due to improper/discriminate disposal of old and used computers or their parts, which of the following are released into environment as E-waste?
A. Beryllium
B. Cadmium
C. Chromium
D. Heptachlor
E. Mercury
F. Lead
G. Plutonium
Select the correct answer using codes given above.
A. Beryllium
B. Cadmium
C. Chromium
D. Heptachlor
E. Mercury
F. Lead
G. Plutonium
Select the correct answer using codes given above.
A,C,D,F,G
A,B,C,E,F
B,D,E,G
A,B,C,D,E,F,G
1198.Acid rain is caused by the pollution of environment by
Carbon dioxide and nitrogen
Carbon monoxide and carbon dioxide
Ozone and carbon dioxide
Nitrous oxide and sulphur dioxide