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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
An inverted pyramid of biomass can be found in which ecosystem?
4 years ago
Forum
Ecosystem
Replies: 0
Views: 79
Topic
Productivity is the rate of production of biomass expressed in terms of
4 years ago
Forum
Ecosystem
Replies: 0
Views: 74
Topic
The process of mineralisation by micro organisms helps in the release of
4 years ago
Forum
Ecosystem
Replies: 0
Views: 96
Topic
Decomposers like fungi and bacteria are i. Autotrophs ii. Heterotrophs iii. Saprotrophs
4 years ago
Forum
Ecosystem
Replies: 0
Views: 64
Topic
Give one example for each of the following: (i) Eurythermal plant species ……………… (ii) A hot water spring organism ……………… (iii) An organism seen in deep ocean trenches ………………
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 223
Topic
Does light factor affect the distribution of organisms? Write a brief note giving suitable examples of either plants or animals.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 108
Topic
Which element is responsible for causing soil salinity? At what concentration does the soil become saline?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 224
Topic
Do you agree that regional and local variations exist within each biome? Substantiate your answer with suitable example.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 201
Topic
While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 223
Topic
In an aquarium two herbivorous species of fish are living together and feeding on phytoplankton. As per Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reason...
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 191
Topic
Discuss the various types of positive interactions between species.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 111
Topic
A population of Paramoecium caudatum was grown in a culture medium. After 5 days the culture medium became overcrowded with Paramoecium and had depleted nutrients.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 96
Topic
Comment on the growth curve given below.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 81
Topic
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 94
Topic
An individual and a population has certain characteristics. Name these attributes with definitions.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 123
Topic
Comment on the following figures 1, 2 and 3: A, B, C, D, G, P, Q, R, S are species
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 92
Topic
Observe the set of 4 figures A, B, C and D, and answer the following questions: (i) Which one of the figures shows mutualism? (ii) What kind of association is shown in D?
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 175
Topic
Give one example for each of the following types. (a) Migratory animal (b) Camouflaged animal (c) Predator animal
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 74
Topic
List any four characters that are employed in human population census.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 161
Topic
Define ‘zero population growth rate’. Draw an age pyramid for the same.
4 years ago
Forum
Organisms and Populations
Replies: 0
Views: 82
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