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Recent questions tagged biology
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Which of the following statement is incorrect?
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
The entire sequence of communities that successively change in a given area are called
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Plants of endangered species are conserved through:-
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
2
answers
Drought tolerant fire resistant plant species are found in which biome?
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Montreal protocol refers to
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Rivet popper hypothesis explains:
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
An ecosystem which can be easily damaged but can recover after sometime it damaging effect stops will be having :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Which is correct?
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Under certain conditions soil nutrients get tied up with the biomass of microbes and becomes temporarily unavailable to other organisms.Such incorporation is known as :-
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Eutrophication occurs due to :-
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biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Trophic level of orobanche is
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
The role of an organism in the ecological system is known as :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
The figure given below is a diagrammatic representation of response of organisms to abiotic factors.What do A,B and C represent respectively?
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
What type of human population is represented by the following age pyramid?
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Pablo ecology is referred as the study of :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Which of these statements are true :-\begin{array}{1 1}(1)\;\text{Poineer species always limeade bare land initially} \\(2)\;\text{Succession and evolution parallel processes for primitive earth}\\(3)\;\text{Earthwarm and fungi use the same mechanism for decomposition}\\(4)\;\text{GPP & NPP both are rates of biomass production}\end{array}
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
How many statements are correct for ecosystem sustainability:
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biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Genetically indistinct individuals of a species showing temporary morphological differences due to the effect of environments are k/a :-
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Synecology is defined as
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Lead is considered primarily
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
World wildlife week is on :-
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
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1
answer
Cement factory labourers are prone to
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Minamata disease was caused by pollution of water by :-
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Blue whale is placed under :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Diversity of habitats over the total geographical area is
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
In India, red list of plant species is prepared by
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
The term ' Biocoenosis ' was proposed by
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biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
2
answers
MAB stands for
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
A water body has high BOD indicating that
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Endangered plant species get conserved through
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
National committee of environmental planning & coordination was set-up by Indian ministry in the year
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Preserving germplasm in frozen state is
jeemain
biology
ecology-and-environment
difficult
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Batesian mimicry is a form of mimicry in which an edible/palatable species presents itself as inedible/unpalatable}\\(R)\;\text{Batesian mimicry is a form of protective mimicry}\end{array}$
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biology
ecology-and-environment
difficult
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Succession and evolution would have been parallel processes for primitive earth}\\(R)\;\text{Succession is predictable whereas evolution is a stochastic process}\end{array}$
jeemain
biology
ecology-and-environment
difficult
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{For a banyan tree ecosystem,the population density should be measured by its biomass}\\(R)\;\text{Number undermines the huge role of banyan tree in the ecosystem}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Lion is a keystone species of grassland}\\(R)\;\text{Due to their prudent nature,predators maintain the prey population in control and hence maintain species balance of the ecosystem}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Temperature is the most ecologically relevant factor}\\(R)\;\text{It affects the kinetics of enzymes & through it the BMR,activity and other physiological function of organism}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Trophical rain-forests are disappearing fast from developing countries such as India}\\(R)\;\text{No value is attached to these forests as they are poor in biodiversity}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;GPP > NPP\\(R)\;GPP-R = NPP\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{No population of any species in nature has its disposal to unlimited resources to permit exponential growth}\\(R)\;\text{In nature,a given habitat has enough resources to support a maximum possible number beyond which no further growth is possible}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Pathogens are parasites}\\(R)\;\text{They may cause harm by living in or on them}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Energy flow in ecosystem is bidirectional}\\(R)\;\text{Energy goes on increasing with each and every trophic level}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
$\begin{array}{1 1}(A)\;\text{Small animals are rarely found in desert}\\(R)\;\text{Generally surface are of desert animals are less in comparision to their volume}\end{array}$
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Which of the following species is not invasive:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
2 main structural components of ecosystem
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Soil formation accounts for what percentage of ecosystem services:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Which of the following is present in carbon cycle but absent in phosphorous cycle:-
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biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
How much of sun light energy is converted into NPP:-
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biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Number of trophic level in GFC are restricted due to :-
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biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Major conduit of energy flow in aquatic ecosystem is :-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
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