Which of the following option determines percolation and water holding capacity of soils ?
Which of the following option determines percolation and water holding capacity of soils ?
Climate
Grain size, soil composition and aggregation
Weathering process
Soil development
The Correct Option is B
Solution and Explanation
The correct option is(B): Grain size, soil composition and aggregation.
The option that determines percolation and water holding capacity of soils is "Grain size, soil composition, and aggregation." These factors affect the pore spaces within the soil, which in turn influence the movement of water through the soil and its ability to retain water. Climate, weathering process, and soil development also play important roles in soil characteristics, but they may not directly determine percolation and water holding capacity.
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Select the statements that are CORRECT regarding patterns of biodiversity.
(A) Species diversity increases as we move away from the equator towards the poles(B) The tropical Amazon rain forest in South America has the greatest biodiversity on earth.(C) There is more solar energy available in the temperate region than tropics.(D) Tropical environments are less seasonal relatively more constant and predictableWhich of the following hormone is not produced by placenta ?
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List - II
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Which of the following statements are correct ?
(A) Certain mass of living material at each trophic level is called as standing crop.(B) The crop that can withstand adverse conditions is called standing crop(C) The amount of nutrients in soil is called Biomass(D) Only Biotic components make an Ecosystem(E) Most of Phytoplanktons are member of algae
Vertical distribution of different species occupying different level is called :
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(A) Detritus food chain (I) Available biomass for consumption (B) Standing state (II) Dead organic matter (C) Standing crop (III) Amount of nutrients in soil (D) Net Primary Productivity (IV) Mass of living material
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Select the statements that are CORRECT regarding patterns of biodiversity.
(A) Species diversity increases as we move away from the equator towards the poles(B) The tropical Amazon rain forest in South America has the greatest biodiversity on earth.(C) There is more solar energy available in the temperate region than tropics.(D) Tropical environments are less seasonal relatively more constant and predictableWhich of the following hormone is not produced by placenta ?
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List - II
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Concepts Used:
Ecosystem
An ecosystem is a structural and functional unit of ecology where the living organisms come in to interact with each other and the surrounding environment.
Structure of the Ecosystem:
The structure of an ecosystem is distinguished by the organization of both biotic and abiotic components. This involves the distribution of energy in our environment. It also comprises the climatic conditions prevailing in that particular environment.
There are two main components of the structure of an ecosystem, namely:
- Biotic Components
- Abiotic Components
The biotic and abiotic components are interconnected in an ecosystem. It is an open system where the energy and components can flow through the boundaries.