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Shilpi98
@shilpi98
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
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Topics: 2165 / Replies: 0
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Topic
Sometimes due to biotic/abiotic factor the climax remains in a particular serai stage (pre climax) without reaching climax. Do you agree with this statement?
4 years ago
Forum
Ecosystem
Replies: 0
Views: 92
Topic
Primary productivity varies from ecosystem to ecosystem. Explain.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 171
Topic
In relation to energy transfer in ecosystem, explain the statement “10 kg of deer’s meat is equivalent to 1 kg of lion’s flesh”.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 158
Topic
Poaching of tiger is a burning issue in today’s world. What implication would this activity have on the functioning of the ecosystem of which the tigers are an integral part?
4 years ago
Forum
Ecosystem
Replies: 0
Views: 216
Topic
Apart from plants and animals, microbes from a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy require...
4 years ago
Forum
Ecosystem
Replies: 0
Views: 84
Topic
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 219
Topic
Human activities interfere with carbon cycle. List any two such activities.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 160
Topic
What could be the reason for the faster rate of decomposition in the tropics?
4 years ago
Forum
Ecosystem
Replies: 0
Views: 159
Topic
Is an aquarium a complete ecosystem?
4 years ago
Forum
Ecosystem
Replies: 0
Views: 89
Topic
The number of trophic levels in an ecosystem are limited. Comment.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 157
Topic
Organisms at a higher trophic level have less energy available. Comment.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 67
Topic
What is common to earthworm, mushroom, soil mites and dung beetle in an ecosystem.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 192
Topic
Given below is a figure of an ecosystem. Answer the following questions. (i) What type of ecosystem is shown in the figure? (ii) Name any plant that is characteristic of such ecosystem.
4 years ago
Forum
Ecosystem
Replies: 0
Views: 182
Topic
In a reaction between A and B, the initial rate of reaction (r0) was measured for different initial concentrations of A and B as given below:
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 151
Topic
A reaction is first order in A and second order in B. (i) Write the differential rate equation. (ii) How is the rate affected on increasing the concentration of B three times?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 77
Topic
In pseudo first order hydrolysis of ester in water, the following results were obtained:
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 168
Topic
What is the effect of temperature on the rate constant of a reaction? How can this temperature effect on rate constant be represented quantitatively?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 157
Topic
A reaction is second order with respect to a reactant. How is the rate of reaction affected if the concentration of the reactant is (i) doubled (ii) reduced to half?
4 years ago
Forum
Chemical Kinetics
Replies: 0
Views: 208
Topic
In nucleophilic substitution reaction, order of halogens as incoming (attacking) nucleophile is: I^– > Br^– > Cl^– The order of halogens as departing nucleophile should be:
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 199
Topic
Which one of the following is most stable?
4 years ago
Forum
Some Basic Principles and Techniques
Replies: 0
Views: 225
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