An ecological system is a (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system

An ecological system is a (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system
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 Biological system
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An ecological system is a – (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system

Description : An ecological system is a – (1) Biological system (2) Biogeochemical system (3) Physicochemical system (4) Bioecological system

Last Answer : (1) Biological system Explanation: An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like ... environments and are influenced by similar dynamic ecological processes, such as fire or flooding.

Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Description : Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms

Last Answer : understanding the delicate balance in the relative number of organisms

Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Description : Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Last Answer : Contour farming

The significant quantity of upper soil is formed by (1) Igneous rock (2) Sedimentary rock (3) Metamorphic rock (4) Biological degradation

Description : The significant quantity of upper soil is formed by (1) Igneous rock (2) Sedimentary rock (3) Metamorphic rock (4) Biological degradation

Last Answer : Sedimentary rock

Among the following biogeochemical cycles, which one does not have losses due to repiration?

Description : Among the following biogeochemical cycles, which one does not have losses due to repiration?

Last Answer : Among the following biogeochemical cycles, which one does not have losses due to repiration? A. Phosphorus B. Nitrogen C. Sulphur D. All of above

Which one of the following is not a gaseous biogeochemical cycle in ecosystem?

Description : Which one of the following is not a gaseous biogeochemical cycle in ecosystem?

Last Answer : Which one of the following is not a gaseous biogeochemical cycle in ecosystem? A. Phosphorus cycle B. Nitrogen cycle C. Carbon cycle D. Sulfur cycle

In which of the following biogeochemical cycles is at mospheric phase absent/negligible?

Description : In which of the following biogeochemical cycles is at mospheric phase absent/negligible?

Last Answer : In which of the following biogeochemical cycles is at mospheric phase absent/negligible? A. Nitrogen B. Sulfur C. Phosphorus D. Water

Biogeochemical cycle having a small gaseous component is found in

Description : Biogeochemical cycle having a small gaseous component is found in

Last Answer : Biogeochemical cycle having a small gaseous component is found in A. Phosphorus B. Nitrogen C. Carbon D. Sulfur

Are reservoirs that chemical elements can move through as part of the Earth's biogeochemical cycle I.the solid Earth II.Earth's oceans III.Earth's atmosphere IV.organisms on Earth?

Description : Are reservoirs that chemical elements can move through as part of the Earth's biogeochemical cycle I.the solid Earth II.Earth's oceans III.Earth's atmosphere IV.organisms on Earth?

Last Answer : Need answer

What are biogeochemical cycles ?

Description : What are biogeochemical cycles ?

Last Answer : Biogeochemical cycles are representations of the circulation and recycling of matter in nature. The main biogeochemical cycles studied in Ecology are the water cycle, the carbon cycle, and the nitrogen cycle.

Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Description : Increase in concentration of the toxicant at  successive trophic levels is known as (a) biotransformation  (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Last Answer : (c) biomagnification

Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Description : Increase in concentration of the toxicant at successive trophic levels is known as (a) biotransformation (b) biogeochemical cycling (c) biomagnification (d) biodeterioration.

Last Answer : (c) biomagnification

Which of the following pairs is a sedimentary type of biogeochemical cycle? (a) Phosphorus and nitrogen (b) Phosphorus and sulphur (c) Oxygen and nitrogen (d) Phosphorus and carbon dioxide

Description : Which of the following pairs is a sedimentary type of biogeochemical cycle? (a) Phosphorus and nitrogen (b) Phosphorus and sulphur (c) Oxygen and nitrogen (d) Phosphorus and carbon dioxide

Last Answer : (b) Phosphorus and sulphur

Which one of the following is not a gaseous biogeochemical cycle in ecosystem? (a) Sulphur cycle (b) Phosphorus cycle (c) Nitrogen cycle (d) Carbon cycle

Description : Which one of the following is not a gaseous biogeochemical cycle in ecosystem? (a) Sulphur cycle (b) Phosphorus cycle (c) Nitrogen cycle (d) Carbon cycle

Last Answer : b) Phosphorus cycle

Which one of the following is not a gaseous biogeochemical cycle in ecosystem ? (1) Carbon cycle (2) Sulphur cycle (3) Phosphorus cycle (4) Nitrogen cycle

Description : Which one of the following is not a gaseous biogeochemical cycle in ecosystem ? (1) Carbon cycle (2) Sulphur cycle (3) Phosphorus cycle (4) Nitrogen cycle

Last Answer : (3) Phosphorus cycle

Earthquake is caused by (1) disturbance of earth surface (2) adjustment of layers of earth’s crust (3) breakage of rock system (4) upliftment of rocks

Description : Earthquake is caused by (1) disturbance of earth surface (2) adjustment of layers of earth’s crust (3) breakage of rock system (4) upliftment of rocks 

Last Answer : disturbance of earth surface

Which planet in our solar system is nearly as big as the earth ? (1) Mercury (2) Mars (3) Venus (4) Pluto

Description : Which planet in our solar system is nearly as big as the earth ? (1) Mercury (2) Mars (3) Venus (4) Pluto

Last Answer : Venus

Biggest planet of solar system is (1) Earth (2) Mars (3) Saturn (4) Jupiter

Description : Biggest planet of solar system is (1) Earth (2) Mars (3) Saturn (4) Jupiter

Last Answer : Jupiter

Which of the following does not belong to the solar system? (1) Asteroids (2) Comets (3) Planets (4) Nebulae

Description : Which of the following does not belong to the solar system? (1) Asteroids (2) Comets (3) Planets (4) Nebulae

Last Answer : Nebulae

The four largest planets of the Solar System in decreasing size are (1) Jupiter, Mercury, Saturn and Uranus (2) Mercury, Jupiter, Saturn and Neptune (3) Jupiter, Saturn, Uranus and Neptune (4) Jupiter, Mercury, Saturn and Neptune

Description : The four largest planets of the Solar System in decreasing size are (1) Jupiter, Mercury, Saturn and Uranus (2) Mercury, Jupiter, Saturn and Neptune (3) Jupiter, Saturn, Uranus and Neptune (4) Jupiter, Mercury, Saturn and Neptune

Last Answer : Jupiter, Saturn, Uranus and Neptune

The largest planet in our solar system is (1) Mars (2) Jupiter (3) Saturn (4) Mercury

Description : The largest planet in our solar system is (1) Mars (2) Jupiter (3) Saturn (4) Mercury

Last Answer : Jupiter

Which is the hottest planet in the Solar System ? (1) Jupiter (2) Saturn (3) Venus (4) Uranus

Description : Which is the hottest planet in the Solar System ? (1) Jupiter (2) Saturn (3) Venus (4) Uranus

Last Answer : Venus

Brightest planet in our solar system is (1) Venus (2) Mercury (3) Mars (4) Jupiter

Description : Brightest planet in our solar system is (1) Venus (2) Mercury (3) Mars (4) Jupiter

Last Answer : Venus

The primary goal of planning for disasters is to reduce (1) Death (2) Damage (3) Risk (4) Vulnerability

Description : The primary goal of planning for disasters is to reduce (1) Death (2) Damage (3) Risk (4) Vulnerability

Last Answer : Vulnerability

Contour line is the imaginary line joining places of equal : (1) Rainfall (2) Humidity (3) Elevation (4) Temperature

Description : Contour line is the imaginary line joining places of equal : (1) Rainfall (2) Humidity (3) Elevation (4) Temperature

Last Answer : Elevation

Maps on large scale, representing both natural and man-made features are called (1) Wall maps (2) Topographic maps (3) Thematic maps (4) Atlas maps

Description : Maps on large scale, representing both natural and man-made features are called (1) Wall maps (2) Topographic maps (3) Thematic maps (4) Atlas maps

Last Answer : Topographic maps

The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Description : The well through which water comes out through hydraulic pressure is called (1) Ordinary well (2) Tube well (3) Deep tube well (4) Artesian well

Last Answer : Artesian well

What is meant by the term “midnight sun” ? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time

Description : What is meant by the term “midnight sun” ? (1) Twilight (2) Rising Sun (3) Very bright moon (4) Sun shining in the polar circle for long time

Last Answer : Sun shining in the polar circle for long time

Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Description : Imaginary lines joining places with same temperature are called (1) Isobars (2) Isohyets (3) Isohalines (4) Isotherms

Last Answer : Isotherms

The imaginary lines joining places of same height at equal intervals are (1) Hachures (2) Contours (3) Spot-heights (4) Isomers

Description : The imaginary lines joining places of same height at equal intervals are (1) Hachures (2) Contours (3) Spot-heights (4) Isomers

Last Answer : Contours

Contours are imaginary lines showing (1) places of equal atmospheric pressure (2) same temperature areas (3) places of equal altitudes (4) equal sunshine areas

Description : Contours are imaginary lines showing (1) places of equal atmospheric pressure (2) same temperature areas (3) places of equal altitudes (4) equal sunshine areas

Last Answer : places of equal altitudes

What is the alternate name for contour lines ? (1) Isopotential (2) Istherm (3) Isohypse (4) Isohyet

Description : What is the alternate name for contour lines ? (1) Isopotential (2) Istherm (3) Isohypse (4) Isohyet

Last Answer : Isohypse

Which one of the following organisations is responsible for publishing topographical sheets? (1) Geological Survey of India (G.S.I.) (2) National Atlas & Thematic Mapping Organisation (N.A. T.M.O.) (3) Indian Meteorological Department (I.M.D.) (4) Survey of India (S.O.I.)

Description : Which one of the following organisations is responsible for publishing topographical sheets? (1) Geological Survey of India (G.S.I.) (2) National Atlas & Thematic Mapping Organisation (N.A. T.M.O.) (3) Indian Meteorological Department (I.M.D.) (4) Survey of India (S.O.I.)

Last Answer : Survey of India (S.O.I.)

The art and science of map making is called (1) Remote Sensing (2) Cartography (3) Photogrammetry (4) Mapping

Description : The art and science of map making is called (1) Remote Sensing (2) Cartography (3) Photogrammetry (4) Mapping

Last Answer : Cartography

Who coined the word ‘Geography’? (1) Ptolemy (2)Eratosthenese (3) Hacataus (4) Herodatus

Description : Who coined the word ‘Geography’? (1) Ptolemy (2)Eratosthenese (3) Hacataus (4) Herodatus 

Last Answer : Eratosthenese

The land of maximum biodiversity is (1) Tropical (2) Temperate (3) Monsoonal (4) Equatorial

Description : The land of maximum biodiversity is (1) Tropical (2) Temperate (3) Monsoonal (4) Equatorial

Last Answer : Tropical

Instrument used for measuring area on maps is called (1) Planimeter (2) Eidograph (3) Pantograph(4) Opisometer

Description : Instrument used for measuring area on maps is called (1) Planimeter (2) Eidograph (3) Pantograph (4) Opisometer

Last Answer : Planimeter

The science of map-making is (1) Cartography (2) Geography (3) Carpology (4) Geology

Description : The science of map-making is (1) Cartography (2) Geography (3) Carpology (4) Geology

Last Answer : Cartography

The one who is engaged in scientific drawing of maps is called (1) Geographer (2) Cartographer (3) Meteorologist (4) Geologist

Description : The one who is engaged in scientific drawing of maps is called (1) Geographer (2) Cartographer (3) Meteorologist (4) Geologist

Last Answer : Cartographer

Which of the following phenomena is supposedly associated with global warming ? (1) El Nino (2) La Nina (3) El Nino Modoki (4) Southern Oscillation

Description : Which of the following phenomena is supposedly associated with global warming ? (1) El Nino (2) La Nina (3) El Nino Modoki (4) Southern Oscillation

Last Answer : El Nino

Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms

In _______ forests, trees shed their leaves in a particular season. (1) evergreen (2) mangrove (3) deciduous (4) thorny

Description : In _______ forests, trees shed their leaves in a particular season. (1) evergreen (2) mangrove (3) deciduous (4) thorny

Last Answer : deciduous

The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest

Description : The maximum biodiversity is found in (1) Tropical rain forests (2) Temperate forests (3) Coniferous forests (4) Arctic forest

Last Answer : Tropical rain forests

Vergreen type Forests are found in : (1) Mediterranean region (2) Monsoon climatic area (3) Desert region (4) Equatorial region

Description : Vergreen type Forests are found in : (1) Mediterranean region (2) Monsoon climatic area (3) Desert region (4) Equatorial region 

Last Answer :  Equatorial region

Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (1) Oceans, mangroves, lakes, grassland (2) Mangroves, oceans, grassland, lakes (3) Oceans, lakes, grassland, mangroves (4) Mangroves, grasslands, lakes, oceans

Description : Which one of the following is the correct sequence of ecosystem in the order of decreasing productivity? (1) Oceans, mangroves, lakes, grassland (2) Mangroves, oceans, grassland, lakes (3) Oceans, lakes, grassland, mangroves (4) Mangroves, grasslands, lakes, oceans

Last Answer : Mangroves, grasslands, lakes, oceans

Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Description : Natural sources of air pollution are (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Last Answer : Volcanic eruptions

Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity

Description : Tropical rain forest is characterised by (1) Absence of trees (2) Least productivity (3) Maximum biodiversity (4) Minimum biodiversity

Last Answer : Maximum biodiversity

With what bio-region is the term ‘‘Steppe’’ associated ? (1) Grasslands (2) Tropical forests (3) Savanna (4) Coniferous forests

Description : With what bio-region is the term ‘‘Steppe’’ associated ? (1) Grasslands (2) Tropical forests (3) Savanna (4) Coniferous forests

Last Answer : Grasslands

The space retaining life in any form is called (1) Biomass (2) Biosphere (3) Lithosphere (4) Hydrosphere

Description : The space retaining life in any form is called (1) Biomass (2) Biosphere (3) Lithosphere (4) Hydrosphere

Last Answer : Biosphere

Species which has restricted distribution is called (1) Eco species (2) Endemic (3) Sympatric (4) Allopatric

Description : Species which has restricted distribution is called (1) Eco species (2) Endemic (3) Sympatric (4) Allopatric

Last Answer : Endemic