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In a life table, the number of individuals alive at the beginning of the 1st year to 2nd year interval is 800. During this interval, 200 individuals die. The death rate for this interval is

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Important Questions on Organisms and Populations

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 73
The percentage of individuals of a given age group in a given population is called
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 74
If the age distribution is plotted for a population, the resulting structure is called
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 75

What does the shape of the given age pyramids reflects about the growth status of the related population?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 76
In a population, the number of pre-reproductive individuals is very large, the number of reproductive individuals is moderate and the number of post-reproductive individuals is few. What kind of age pyramid is represented by such a population?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 77
What does the shape of the given age pyramids (A to C) reflect about the growth status of populations?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 78
The age structure of a population represents
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 79
The age structure of a population influences population growth because
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 36 - Organisms and Populations>MCQS CORNER>Q 80
If most individuals in a population are young, why is the population likely to grow rapidly in the future?