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Reyana09
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Answer to: The technical term given to nutrient cycles is cycles.

Biogeochemical.

3 years ago
Forum
Ecosystem
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Answer to: ........... are the pioneer species in the primary succession on a rock.

Lichens.

3 years ago
Forum
Ecosystem
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Answer to: If ln (x + y) = 4 xy. Find d^2y/dx^2 at x = 0.

ln(x + y) = 4xy For x = 0 lny = 0 ⟹ y = 1 ln(x + y) = 4xy ⟹ = 4y + 4x .....(1) At x = 0 and y = 1 ⟹ = 4 + 0 ⟹ = 3 Differentiat...

3 years ago
Forum
Maths
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Answer to: Ellipse x^2/8 + y^2/4 = 1 tangent at P(2nd quard) ⊥ to x + dy = 0 eccentricity = e. SS' is foci. Find (s - e^2)*ΔSPS'.

x2/8 + y2/4 = 1 e2 = 1 - = Equation of tangent at P(x1, y1) with slope 2 is 2x - y + 6 = 0 .....(1) Also, + = 1 .....(2) From (1) and (...

3 years ago
Forum
Maths
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Answer to: If sum of distances of point P from (0, 0) (0, 1) (1, 0), (1, 1) = 18 Locus is at circle of diameter. find d^2.

x2 + y2 + x2(y -1)2 + y2 + (x -1)2 + (y -1)2 = 18 x2 + y2 + x2 + y2 - 2y + 1 + x2 - 2x + 1 + y2 + x2 - 2x + 1 + y2 - 2y + 1 = 18 4x2 + 4y2 - 4x - ...

3 years ago
Forum
Maths
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Answer to: Find the value of 1/1+x + 2/1+x^2 + 2^2/1+x^4 + ..... 2^100/1+x^200

+ + + ..... = + + ++ ..... - = + + +.....+ - = + +..... - In similar way we will get -

3 years ago
Forum
Maths
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Answer to: The value of lim n→∞ 1/n Σr = 0, 2n-1 n^2/(n^2 + 4r^2) is

Correct answer: (a) 4 Explanation: = = = = 4

3 years ago
Forum
Maths
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Answer to: If f(x) = cos[2tan^-1(sin(cot^-1√(1-x)/x))]

Correct answer: (c) f'(x)(x+1)2 + 2(f(x))2 = 0 Explanation: f(x) = = cos (2tan-1√x) = - 1 ∴ f'(x) = ⟹ f'(x)(x+1)2 = -2

3 years ago
Forum
Maths
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Answer to: The pyramid of numbers in a grassland ecosystem is ...........

Upright.

3 years ago
Forum
Ecosystem
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Answer to: The _______ is measured as biomass or number per unit area.

Standing crop.

3 years ago
Forum
Ecosystem
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Answer to: The amount of energy _______ at successive trophic levels.

Decreases.

3 years ago
Forum
Ecosystem
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Answer to: _______ are the saprotrophs (heterotrophs) which meet their energy requirements by degrading the detritus.

Decomposers.

3 years ago
Forum
Ecosystem
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Answer to: _______ of organisms is the beginning of the detritus food chain.

Death of organisms is the beginning of the detritus food chain.

3 years ago
Forum
Ecosystem
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Answer to: The degradation of humus by some microbes to release the inorganic nutrients is called _______.

Mineralisation.

3 years ago
Forum
Ecosystem
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Answer to: The rate of production of biomass is termed as _______ .

Productivity.

3 years ago
Forum
Ecosystem
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Answer to: Vertical distribution of different species occupying different levels in an ecosystem, is called _______ .

Stratification.

3 years ago
Forum
Ecosystem
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Answer to: Approximately how much of the solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?

Correct answer: (b) 2-10%

3 years ago
Forum
Ecosystem
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Answer to: Which of the following ecosystems is most productive in terms of net primary production?

Correct answer: (b) Tropical rain forests

3 years ago
Forum
Ecosystem
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Answer to: The process of mineralization by micro organisms helps in the release of

Correct answer: (a) inorganic nutrients from humus

3 years ago
Forum
Ecosystem
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Answer to: The reservoir for the gaseous type of biogeochemical cycle exists in

Correct answer: (b) atmosphere

3 years ago
Forum
Ecosystem
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