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Recent questions tagged biology
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Succession taking in water :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Final community which stays in equillibrium with the environment is called :-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which of the following acts as a reservoir of nutrients in soil
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Limitation of ecological pyramid is/are:-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
In which process of decomposition enzymatic conversion of the decomposing detritus to simpler compound & inorganic substances occur?
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Sources of energy in deep sea water is/are:-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which one of the following statements for pyramid of energy is incorrect,where as the remaining 3 are correct?
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
An ecosystem comprising of producers,herbivores & carnivores is an incomplete ecosystem.It doesnot include
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Mass of living matter at a trophic level in an area at any time is called:-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
A food web:-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which statement is true about this food chain :-Grass $\rightarrow$ Rabbit $\rightarrow$ Snakes $\rightarrow$ Hawks
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
If 2 species compete for same resource,they could avoid competition by choosing different times for feeding or different foraging patterns.This phenomenon is called :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Biological equilibrium is an equilibrium between
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Annual net productivity of a biosphere is approx.equal to :
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which of the following is correct formula for GPP(Grass primary productivity)[NPP-Net primary productivity,R-Respiratory losses]
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Autotrophic components of a pond ecosystem include
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Optical distribution of different species occupying different levels is :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Functional unit of nature is :-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Phytophagous insects show which kind of interaction with plants
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Biological control method is based on which type of interaction?
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Interaction is detrimental to both species is :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Mutualism can be represented as :-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Normal growth graph in a population is :-
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
No of births during a given period of time in a population is
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which of the following is correct:-($N_t$=Population at time t,$N_{t+1}$=Population after a unit,$B$=Natality,D=Mortality,I=Immigration time,E=Emigration)
jeemain
biology
ecology-and-environment
easy
botany
asked
Apr 1, 2014
by
sreemathi.v
1
answer
A group of organisms in a well defined geographical area,share or compete for similar resources,potentially interbreed are known as :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which character of species is not susceptible to extinction?
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Mammals from colder climate generally have shorter ears and limbs to minimise heat loss.This is
jeemain
biology
ecology-and-environment
easy
zoology
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Photosynthetic organ of opuntia
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Match the following :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
The organism can move away temporarily from stressful habitat to a more hospitable area and return when stressful period is area.It is called
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Zooplanktons react to unfavourable conditions via :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Thermoregulation will be expensive for animals with \begin{array}{1 1}(i)\;\text{large surface area}\\(ii)\;\text{small volume}\\(iii)\;\text{small surface area}\\(iv)\;\text{large volume}\end{array}
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Salinity of inland waters is around :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Temperature affects the activity of an organism through its effect on :-
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which of the following is ecologically most relevant abiotic factor?
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Which of these is not a habitat
jeemain
biology
ecology-and-environment
easy
asked
Apr 1, 2014
by
sreemathi.v
1
answer
Who is regarded as Father of Ecology in India
jeemain
biology
ecology-and-environment
medium
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Chimpanzee,Great Indian Bustard,Pygmy hog,Coral tree,Peacock tarantula,Forest coconut,Golden headed langur,Brown spider monkey,Siberian tiger,Leatherback turtle,Dodo.How many among there are threatened
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Chimpanzee,Great Indian Bustard,Pygmy hog,Coral tree,Peacock tarantula,Forest coconut,Golden headed langur,Brown spider monkey,Siberian tiger,Leatherback turtle,Dodo.How many among there are endangered
jeemain
biology
ecology-and-environment
difficult
zoology
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Chimpanzee,Great Indian Bustard,Pygmy hog,Coral tree,Peacock tarantula,Forest coconut,Golden headed langur,Brown spider monkey,Siberian tiger,Leatherback turtle,Dodo.How many among there are critically endangered
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Copenhagen earth summit was
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Following the montreal protocol,by which year is it expected that ozone will be recovered
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Since being applicable,how many times has the montreal protocol been revised?
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
How many countries have ratified the montreal protocol:-
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
2011 is regarded as :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Which of the following was declared as the year of water cooperation?
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
The depicted food web is not complete. Mainly because
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Which of the following is not true?
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Correct stages of hydrarch succession
jeemain
biology
ecology-and-environment
difficult
botany
asked
Mar 31, 2014
by
sreemathi.v
1
answer
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