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What is a habitat?

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Important Questions on Organisms and Populations

MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Statement I: Amazon rain forest is called the lungs of our planet.
Statement II: The number of species per unit area is called species richness.
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
The study of the relationship between living things and their environment is called _____.
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
One of the following is not a sacred grove
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Niche is
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
In an ecosystem, each organism occupies a particular place and has a functional role and it is known as
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Light is an ecological factor that shows its influence on many biological activities like pigmentation, metabolism, etc. Cave dwellers exhibit:
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment

Assertion: Species is an ecological unit.

Reason: Individuals of a species share the same ecological niche.

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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Autecology refers to ________
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment

With reference to temperature adaptations, identify  A,B,C of the following graph

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MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Assertion (A): In brackish water, stenohaline animals are abundant
Reason (R): Brackish water animals can withstand wide fluctuations in salinity
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
What is biome?
EASY
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
The term Ecology was coined by ___.
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment

Which of the following statements are wrong regarding biodiversity ?
(i) Tropics harbor more species than temperate or polar areas
(ii) Terrestrial biodirersity increases from the equator to the poles
(iii) Patterm of biodiversity should not depend on latitude and species area relationship
(iv) Biodiversity exists not only at the species level but also at the lerels of biological organization
(v) Temperate regions are relatively more constant than that of the tropical regions

EASY
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Assertion (A): Landscape is the unit of land containing different ecosystems surrounded by natural boundaries.
Reason (R): Landscape is the level of organization that is higher than the ecosystem.
EASY
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Which of the following statements are correct related to the freshwater ecosystem? The correct statements are ________
(i) Pond is an ideal example to understand the fundamentals of the aquatic ecosystem.
(ii) In deep lakes, light can penetrate more than 200m in depth.
(iii) Deep water lakes contain three distinct zones namely the littoral zone, limnetic zone, profundal zone.
(iv) Littoral zone is the shallow part of the lake closer to the shore.
(v) Limnetic zone is the open water zone away from the shore.
(vi) The rate of photosynthesis is equal to the rate of respiration in the littoral zone.
HARD
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Which of the following is incorrect pair regarding cyclomorphosis in Daphnia?
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Identify the elements which lead to much variation in the physical and chemical conditions of different habitats.
a) Only components such as Temperature, water, light and soil.
b) Only components such as pathogens, parasites, predators and competitors of the organism with which they interact constantly.
c) The physiology and anatomy of organisms
d) Both a and b
EASY
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
What are the surroundings in which organisms live called?
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Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
The branch of science that deals with the interactions between organisms and their environment
MEDIUM
Biology>Ecology and Environment>Organisms and Populations>Organism and Its Environment
Why are green algae not likely to be found in the deepest strata of the ocean.