Organisms And Populations - Botany - Biology Previous Year Questions

Match types of niche in Column I with its explanation in Column II.

Which of the following pair of organisms are euryhaline in nature?

Gene pool is __________ .

What is the horizontal distribution of different species occupying levels on land or in water called?

Which of the following in INCORRECT about conformers?

Which one of the following is INCORRECT with respect to Verhulst - Pearl Logisitc Growth.

Given below are two statements regarding, competitive interaction.

Statement I - Competition is the type of interaction where totally unrelated species may compete for the same resource.

Statement II - Competition occurs only when resources are limited.

In the light of above statements, choose the correct option given below:

The term 'Niche' denotes the _________ role played by an organism in its environment.

Given below are two statements.

Statement I - Calotropis growing in abandoned fields is never consumed by cattle and goats.

Statement II - Calotropis produces highly poisonous cardiac glycosides.

In light of above statements, select the most appropriate answer from the option given below.

The highest level of ecological hierarchy in ecological organization is

Dispersal of pollens is an example of

Select the correct sequential level with decreasing complexity of ecological organisation.

Which of the following depicts Logistic growth curve of population?

Given below are two statements.

Statement I - Osmoconformers are animals, that are iso-osmotic to the surroundings.

Statement II - Marine organisms mostly are osmoconformers because their body fluids and external environment are iso-osmotic in nature. In the light of above statements, select the correct option given below:

Number of deaths with no competition and abundance of resources such as food and water is ________.

Which one of the following does not show suspend type of adaptation?

Which one of the following is INCORRECT regarding 'resource partitioning'?

Interaction between flamingos visiting Mumbai west coast and resident fishes is of _________ type.

In the above logistic growth curve of population, identify ' $A$ ', ' $B$ ' and ' $C$ '.