Assertion : No two species can occupy the same ecological niche in a habitat
Reason : A habitat can contain only one ecological
Important Questions on Organisms and Population
Reason: Predator and their prey maintain fairly stable populations through time, and rarely does one population become abundant or scarce.
Assertion: The crown fires are most destructive.
Reason: Due to crown fire the temperature of that area may rise upto .
Assertion : Removal of keystone species doesn't cause any serious disruption in the functioning of the community.
Reason : Keystone species are low in abundance (or biomass) than the dominant species.
Assertion : Relationship between sea anemone and hermit crab is said to be an example of obligate mutualism.
Reason : Obligate mutualism is a positive (beneficial) interaction between two species.
Reason : Ecological niche is the total interaction of a species with environment.
Reason : Antibiosis is a type of negative interaction.
Assertion : Aerenchyma is present in the leaves and petioles of hydrophytes.
Reason : Aerenchyma imparts buoyancy to the hydrophytes.
With respect to Eichhorrnia:
Assertion: It drains off Oxygen from water and is seen growing in standing water
Reason: It is an indigenous species of our country.
