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Organisms And Populations

Question

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Consider the following statements (I) - (IV) each with one or two blanks.

I. Bears go into ..... (1) .... during winter to .......(2) ..... cold weather.
II. A conical age pyramid with a broad base represents ......(3) ....... human population.
III. A wasp pollinating a fig flower is an example of ........ (4) ..........
IV. An area with high levels of species richness is known as ........ (5) .......

Which one of the following options give the correct fill up the respective blanks numbers from (1) to (5) in the statements.

(2) stable, (4) commensalism, (5) marsh

(1) aestivation, (5) escape, (3) stable, (4) mutualism

(3) expanding, (4) commensalism, (5) biodiversity park

(1) hibernation, (2) escape, (3) expanding, (5) hot spot

Solution

D.

(1) hibernation, (2) escape, (3) expanding, (5) hot spot

Bears go into hibernation during winter t o escape the cold weather.
A conical age pyramid with a broad base represents expanding the human population.
A wasp pollinating a fig flower is an example of mutualism.
An area with high levels of species richness is known as hot spots.

Some More Questions From Organisms and Populations Chapter

The departure of a individual from a population is called :

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........................

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