Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions in Biology
Questions
>>
JEEMAIN and NEET
>>
Biology
Biology
Diversity in Living World
Structural Organisation in Animals and Plants
Cell Structure and Formation
Plant Physiology
Human Physiology
Reproduction
Genetics and Evolution
Biology in Human Welfare
Biotechnology and its Applications
Ecology and Environment
Biotechnology - Principles and Processes
Eutrophication occurs due to :-
jeemain
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:
jeemain
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 :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
1
answer
Synecology is defined as
jeemain
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 :-
jeemain
biology
ecology-and-environment
difficult
asked
Mar 31, 2014
by
sreemathi.v
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
jeemain
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
$\begin{array}{1 1}(A)\;\text{Batesian mimicry is a form of mimicry in which an edible/palatable species presents itself as inedible/unpalatable}\\(R)\;\text{Batesian mimicry is a form of protective mimicry}\end{array}$
jeemain
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:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
How much of sun light energy is converted into NPP:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Number of trophic level in GFC are restricted due to :-
jeemain
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
Which of the following is incorrect about detritus food chain
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Which is wrong about humus:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Human liver fluke is :-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Who showed the phenomenon of resource partitioning :-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Which of the following is least-affected by competition:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Which of the following is incorrect about predation:-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
For a newly colourised habitat,which factors affects the population density the most :
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Natural selection operates at the level of :-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Relationship exhibited by a cuckoo laying its eggs in crow's nest is :-
jeemain
biology
ecology-and-environment
medium
asked
Mar 28, 2014
by
sreemathi.v
1
answer
Page:
« prev
1
...
24
25
26
27
28
29
30
...
54
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...