(C) Exponential or log phase cannot be sustained for a long period because the resources such as space and nutrients are limited in nature,leading to

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(C) Exponential or log phase cannot be sustained for a long period because the resources such as space and nutrients are limited in nature,leading to intense competition.Furthermore,as organisms grow,they often produce metabolic waste products. The accumulation of these toxic agents inhibits further growth and eventually leads to a decline in the population growth rate.

Class 12 Biology Organisms and Populations Population Growth

Medium

Exponential growth cannot be sustained for a long time due to:
$I.$ Limited space and nutrients
$II.$ Accumulation of toxic agents
$III.$ Unlimited space and nutrients
$IV.$ Accumulation of nutrient agents
Choose the correct combination of options:

A
$I$ and $III$
B
$III$ and $IV$
C
$I$ and $II$
D
$IV$ and $II$

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Class 12 Questions

Class 12

Biology Questions

Chapter

Organisms and Populations

Subtopic

Population Growth

Which of the following characteristics is true for pelagic fishes?

Medium

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If a population growing exponentially doubles in size in $3$ years,what is the intrinsic rate of increase $(r)$ of the population (in $\%$)? $(e = 2.71828)$

Medium

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Assertion: In a sigmoid growth curve,the population finally stabilizes itself.
Reason: Finally,the death rate increases more than the birth rate.

MediumAIIMS 2013

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The cause of the decline in population in $1927$ was:

Easy

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$A$ population of $Paramecium$ $caudatum$ was grown in a culture medium. After $5$ days,the culture medium became overcrowded with $Paramecium$ and had depleted nutrients. What will happen to the population,and what type of growth curve will the population attain? Describe the growth curve.

Medium

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Exponential growth cannot be sustained for a long time due to:$I.$ Limited space and nutrients$II.$ Accumulation of toxic agents$III.$ Unlimited space and nutrients$IV.$ Accumulation of nutrient agentsChoose the correct combination of options:

Similar Questions

Which of the following characteristics is true for pelagic fishes?

If a population growing exponentially doubles in size in $3$ years,what is the intrinsic rate of increase $(r)$ of the population (in $\%$)? $(e = 2.71828)$

Assertion: In a sigmoid growth curve,the population finally stabilizes itself.Reason: Finally,the death rate increases more than the birth rate.

The cause of the decline in population in $1927$ was:

$A$ population of $Paramecium$ $caudatum$ was grown in a culture medium. After $5$ days,the culture medium became overcrowded with $Paramecium$ and had depleted nutrients. What will happen to the population,and what type of growth curve will the population attain? Describe the growth curve.

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Exponential growth cannot be sustained for a long time due to:
$I.$ Limited space and nutrients
$II.$ Accumulation of toxic agents
$III.$ Unlimited space and nutrients
$IV.$ Accumulation of nutrient agents
Choose the correct combination of options:

Assertion: In a sigmoid growth curve,the population finally stabilizes itself.
Reason: Finally,the death rate increases more than the birth rate.