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

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
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1 Answer

Answer :

Mangroves, grasslands, lakes, oceans
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Related questions

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 : (4) Mangroves, grasslands, lakes, oceans Explanation: Productivity is the rate of organic matter or biomass production. The average ocean productivity is about 50 grams carbon per square meter per ... of ecosystem in the order decreasing productivity is: Mangroves > Grasslands > Lakes > Oceans.

Which of the following ecosystem has the highest gross primary productivity? (a) Mangroves (b) Rainforest (c) Grassland (d) Coral reef

Description : Which of the following ecosystem has the highest gross primary productivity? (a) Mangroves (b) Rainforest (c) Grassland (d) Coral reef

Last Answer : (b) Rainforest

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 tropical grassland is called (1) Pampas (2) Llanas (3) Savanah (4) Veld

Description : The tropical grassland is called (1) Pampas (2) Llanas (3) Savanah (4) Veld

Last Answer : Savanah

Among the ecosystem mentioned below, where can one find maximum biodiversity? A. Mangroves B. Desert C. Coral reefs D. Alpine meadows

Description : Among the ecosystem mentioned below, where can one find maximum biodiversity? A. Mangroves B. Desert C. Coral reefs D. Alpine meadows

Last Answer : C. Coral reefs

Mention the grassland found in Australia. There are two types of grasslands in Australia. -Geography

Description : Mention the grassland found in Australia. There are two types of grasslands in Australia. -Geography

Last Answer : Tropical grasslands – Savanna Temperate grasslands- Downs

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

The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called (1) isthumus (2) oceanic ridge (3) continental shelf (4) continental slope

Description : The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called (1) isthumus (2) oceanic ridge (3) continental shelf (4) continental slope

Last Answer : continental shelf

The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called the (1) Isthmus (2) Oceanic ridge (3) Continental shelf (4) Continental slope

Description : The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called the (1) Isthmus (2) Oceanic ridge (3) Continental shelf (4) Continental slope

Last Answer : Continental shelf

Which of the following oceans has the shape of the English alphabet S ? (1) Arctic Ocean (2) Indian Ocean (3) Atlantic Ocean (4) Pacific Ocean

Description : Which of the following oceans has the shape of the English alphabet S ? (1) Arctic Ocean (2) Indian Ocean (3) Atlantic Ocean (4) Pacific Ocean

Last Answer :  Atlantic Ocean

What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land

Description : What is meant by Isthmus? (1) Mouth of a river where it joins the sea (2) Narrow strip of water dividing two land masses (3) Narrow strip of land dividing two oceans (4) Narrow strip of land connecting two large areas of land

Last Answer : Narrow strip of land dividing two oceans

The main source of usable water on the Earth is (1) Oceans (2) Rivers (3) Underground water (4) Precipitation

Description : The main source of usable water on the Earth is (1) Oceans (2) Rivers (3) Underground water (4) Precipitation

Last Answer : Underground water

The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Description : The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Last Answer : Glaciers

The term territorial water means (1) The water found within the country in form of rivers and lakes (2) The water secured from other countries (3) The water which is supplied to other countries (4) Water of the sea located close to the coast of a country

Description : The term territorial water means (1) The water found within the country in form of rivers and lakes (2) The water secured from other countries (3) The water which is supplied to other countries (4) Water of the sea located close to the coast of a country

Last Answer : Water of the sea located close to the coast of a country

The term “Doab” means (1) a land between two mountains (2) a land between two lakes (3) a land between two rivers (4) a land between two seas

Description : The term “Doab” means (1) a land between two mountains (2) a land between two lakes (3) a land between two rivers (4) a land between two seas

Last Answer : a land between two rivers

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

About 70% of total global carbon is found in (a) oceans (b) forests (c) grasslands (d) agroecosystems.

Description : About 70% of total global carbon is found in (a) oceans (b) forests (c) grasslands (d) agroecosystems.

Last Answer : (a) oceans

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

Which of the following metals contribute to to biomagnification problem in the ecosystem ? (1) Mercury (2) Chromium (4) Copper (4) Lead

Description : Which of the following metals contribute to to biomagnification problem in the ecosystem ? (1) Mercury (2) Chromium (4) Copper (4) Lead

Last Answer : Mercury

Which of the following exhibits unidirectional flow in an ecosystem ? (1) Light (2) Energy (3) Water (4) Biomass

Description : Which of the following exhibits unidirectional flow in an ecosystem ? (1) Light (2) Energy (3) Water (4) Biomass

Last Answer : Energy

Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP

Description : Source of energy in ecosystem is (1) Sun (2) Green plants (3) Sugar produced in photosynthesis (4) ATP

Last Answer : Sun

What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality

Description : What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality 

Last Answer : A living community and its environment

An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Description : An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area

Last Answer : a living community and its environment.

Which is the most stable ecosystem ? (1) Desert (2) Ocean (3) Mountain (4) Forest

Description : Which is the most stable ecosystem ? (1) Desert (2) Ocean (3) Mountain (4) Forest

Last Answer : Ocean

An artificial ecosystem is represented by : (1) pisciculture tank (2) agricultural land (3) zoo (4) aquarium

Description : An artificial ecosystem is represented by : (1) pisciculture tank (2) agricultural land (3) zoo (4) aquarium

Last Answer : aquarium

The largest ecosystem of the Earth is (1) Biome (2)Hydrosphere (3) Lithosphere (4)Biosphere

Description : The largest ecosystem of the Earth is (1) Biome (2)Hydrosphere (3) Lithosphere (4)Biosphere

Last Answer : Biome

The term "Green Revolution" has been used to indicate higher production through – (1) creation of grasslands (2) planting more trees (3) enhanced agricultural productivity per hectare (4) creation of gardens in urban areas

Description : The term "Green Revolution" has been used to indicate higher production through – (1) creation of grasslands (2) planting more trees (3) enhanced agricultural productivity per hectare (4) creation of gardens in urban areas

Last Answer : (3) enhanced agricultural productivity per hectare Explanation: The Introduction of High-yielding varieties of seeds and the increased use of fertilizers and irrigation are known collectively as the ... higher productivity was attained in areas in Green Revolution had been initiated and matured.

Pick up the correct statement from the following: (A) Rivers, lakes, oceans and springs get water from the rains (B) Rain water is obtained by evaporation from rivers, lakes and oceans (C) Water remains in atmosphere as vapours(D) All the above

Description : Pick up the correct statement from the following: (A) Rivers, lakes, oceans and springs get water from the rains (B) Rain water is obtained by evaporation from rivers, lakes and oceans (C) Water remains in atmosphere as vapours (D) All the above

Last Answer : Answer: Option D

Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the correct option. (A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (ii) (i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)

Description : Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the ... i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)

Last Answer : (a) (ii) (iii) (iv) (i)

The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.

Description : The rate of formation of new organic matter by rabbit in a grassland, is called (a) net productivity (b) secondary productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (b) secondary productivity

Do you prefer rivers, lakes or oceans?

Description : Do you prefer rivers, lakes or oceans?

Last Answer : Depends on my mood, but all three top the list from time to time.

What is composed of lakes rivers and oceans.?

Description : What is composed of lakes rivers and oceans.?

Last Answer : hydrosphere

The source of maximum sulphur is in (a) Oceans (b) Land (c) Rocks (d) Lakes

Description : The source of maximum sulphur is in (a) Oceans (b) Land (c) Rocks (d) Lakes

Last Answer : (c) Rocks

Which of the following is expected to have the highest value `(g//m^(2)//yr)` in a grassland ecosystem?

Description : Which of the following is expected to have the highest value `(g//m^(2)//yr)` in a grassland ecosystem?

Last Answer : Which of the following is expected to have the highest value `(g//m^(2)//yr)` in a grassland ... (GP) C. Net production (NP) D. Secondary production

The pyramid of numbers in grassland ecosystem will be-

Description : The pyramid of numbers in grassland ecosystem will be-

Last Answer : The pyramid of numbers in grassland ecosystem will be- A. Upright B. Inverted C. Irregular D. Linear

The pyramid of numbers in grassland ecosystem will be-

Description : The pyramid of numbers in grassland ecosystem will be-

Last Answer : The pyramid of numbers in grassland ecosystem will be- A. Linear B. Upright C. Irregular D. Inverted

Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped

Description : Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped

Last Answer : Ans. ((b))

Which ecosystem has the maximum biomass? (a) Grassland ecosystem (b) Pond ecosystem (c) Lake ecosystem (d) Forest ecosystem

Description : Which ecosystem has the maximum biomass? (a) Grassland ecosystem (b) Pond ecosystem (c) Lake ecosystem (d) Forest ecosystem

Last Answer : (d) Forest ecosystem

Which of the following is expected to have the highest value (gm/m2 /yr) in a grassland ecosystem? (a) Secondary production (b) Tertiary production (c) Gross production (GP) (d) Net production (NP

Description : Which of the following is expected to have the highest value (gm/m2 /yr) in a grassland ecosystem? (a) Secondary production (b) Tertiary production (c) Gross production (GP) (d) Net production (NP

Last Answer : (c) Gross production (GP)

Which one of the following is the most productive ecosystem? (a) Temperate forest (b) Grassland (c) Desert (d) Tropical rain forest

Description : Which one of the following is the most productive ecosystem? (a) Temperate forest (b) Grassland (c) Desert (d) Tropical rain forest

Last Answer : (d) Tropical rain forest

Which ecosystem has the maximum biomass ? (1) Grassland ecosystem (2) Pond ecosystem (3) Lake ecosystem (4) Forest ecosystem

Description : Which ecosystem has the maximum biomass ? (1) Grassland ecosystem (2) Pond ecosystem (3) Lake ecosystem (4) Forest ecosystem

Last Answer : (4) Forest ecosystem

Select the correct sequence in the decreasing order of contribution to the forest cover on India: [CPO AC 2003] (a) Dense forest - Open forest - Mangrove forest (b) Open forest – Dense forest – Mangrove forest (c) Dense forest - Mangrove forest - Open forest (d) Open forest - Mangrove forest - Dense forest

Description : Select the correct sequence in the decreasing order of contribution to the forest cover on India: [CPO AC 2003] (a) Dense forest - Open forest - Mangrove forest (b) Open forest - Dense forest - ... (c) Dense forest - Mangrove forest - Open forest (d) Open forest - Mangrove forest - Dense forest

Last Answer : Ans: (b)

In the decreasing order of the length of the rivers, the correct sequence is : [CPO AC 2003] (a) Brahmaputra - Ganga - Godavari - Narmada (b) Ganga - Godavari - Brahmaputra - Narmada (c) Brahmaputra - Narmada - Godavari - Ganga (d) Ganga - Brahmaputra - Godavari – Narmada

Description : In the decreasing order of the length of the rivers, the correct sequence is : [CPO AC 2003] (a) Brahmaputra - Ganga - Godavari - Narmada (b) Ganga - Godavari - Brahmaputra - Narmada (c) Brahmaputra - Narmada - Godavari - Ganga (d) Ganga - Brahmaputra - Godavari – Narmada

Last Answer : Ans: (a)

In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct? (a) Gross primary productivity is always less than Net primary productivity. (b) Gross primary productivity is always more than Net primary productivity(c) Gross primary productivity and Net primary productivity are one and same. (d) There is no relationship between Gross primary productivity and Net primary productivity..

Description : In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct? (a) Gross primary productivity is always less than ... same. (d) There is no relationship between Gross primary productivity and Net primary productivity.

Last Answer : (b) Gross primary productivity is always more than Net primary productivity.

What limits primary productivity in tropical oceans Why?

Description : What limits primary productivity in tropical oceans Why?

Last Answer : What is the answer ?

OOP features are i) Increasing productivity ii) Reusability iii) Decreasing maintenance cost iv) High vulnerability A) 1,2 & 4 B) 1,2 & 3

Description : OOP features are i) Increasing productivity ii) Reusability iii) Decreasing maintenance cost iv) High vulnerability A) 1,2 & 4 B) 1,2 & 3

Last Answer : B) 1,2 & 3

Which one of the following ecosystem types has the highest annual net primary productivity

Description : Which one of the following ecosystem types has the highest annual net primary productivity

Last Answer : Which one of the following ecosystem types has the highest annual net primary productivity ... Tropical deciduous forest D. Temperate evergreen forest

Which of the following ecosystem has the highest gross primary productivity?

Description : Which of the following ecosystem has the highest gross primary productivity?

Last Answer : Which of the following ecosystem has the highest gross primary productivity? A. Tropical deciduous forest ... C. Tropical rain forest D. Desert shrub

Which one of the following ecosystem types has the highest annual net primary productivity? (a) Tropical deciduous forest (b) Temperate evergreen forest (c) Temperate deciduous forest (d) Tropical rainforest

Description : Which one of the following ecosystem types has the highest annual net primary productivity? (a) Tropical deciduous forest (b) Temperate evergreen forest (c) Temperate deciduous forest (d) Tropical rainforest

Last Answer : (d) Tropical rainforest

In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.

Description : In an ecosystem the rate of production of organic matter during photosynthesis is termed as (a) secondary productivity (b) net productivity (c) net primary productivity (d) gross primary productivity.

Last Answer : (d) gross primary productivity.