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Organisms And Populations

Question
CBSEENBI12002745
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Which one of the following pairs of organisms are exotic species introduced in India?

  • ficus religiosa , lantana camara

  • lantana camara, water hyacinth

  • water hyacinth, prosopis cinereria

  • nile perch, licus religiosa

Solution

C.

water hyacinth, prosopis cinereria

A species of organisms that is not native to a locality and having been moved there from its natural range by humans or other agents is called exotic species.

Some More Questions From Organisms and Populations Chapter

In which interaction only one species is benefitted while the other species is neither harmed nor benefitted ?

Which of the following interaction both species suffer ?

In which of the following interaction both species are benefitted ?

Fill in the blanks with suitable words :

1. The optimal capacity of the organism to produce offspring is called........................

2. Rapid increase in human population is called........................

3. Mathematical expression of the growth of population is called........................

4. Yeast cells grown in a culture medium show........................growth curve.

5. Main cause of population explosion is........................

State true or false :

Coin one word for the following statements :

1.Organism that can tolerate only a narrow range of salinity.

2. Plants that can survive a wide range of temperature.

3. Interaction of two species in which one is benefited while other is neither benefited nor harmed.

4. Number of births during a given period in the population that are added to the initial density.

5. the process of maintaing a constant body temperature.

A few organisms can tolerate and thrive in a wide range of temperature, they are called........................

Majority of organisms are restricted to a narrow range of temperature, such organisms are called ........................ 

The organisms ideally try to maintain the constancy of its internal environment by the process called........................

Mammals from colder climates have shorter ears and limbs to minimize heat loss. This rule is called........................ 

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