The major components of population growth are birth rates, death rates and
A) job rate
B) migration
C) transfer of funds
D) None of these
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1. Concepts related to population growth Birth rate, Death rate, Survival rate, Interest rate.
1. Interest rate 2. Expansion of industrial sector
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1. The situation where the growth of population is faster than the growth of the economy is called ____________
1. population explosion 2. social and religious obligations 3. son meta – preference 4. population growth and natural resources 5. working people to total population is high.
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Birth Rate and Death Rate
Birth Rate Death Rate (i) Birth rate refers to a number of births per 1000 of living population per year. (i) Death rate refers to a number of deaths per 1000 of living...
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Sirius `A` and Sirius `B` are two components of Sirius binary. The distance between the two components is `20.3AU` and the period of revolution about
Correct Answer - 1 solar mas, 2.356 solar masses
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An organism reduces survival, growth and reproduction of other organism, reduces its population density and make it physically weak, such organism are
Correct Answer - Parasites
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Since which year, birth rates have also started declining gradually, resulting in a gradual decline in the rate of population growth ?
Correct option is D) 1981
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The natural increase of population is the difference between birth rates and
C) death rates
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Fill in the blanks : Population have characteristic patterns of growth with time . Two contrasting types of growth forms are `………..` and `…………` .
Correct Answer - S-shaped (sigmoid ) , J-shaped
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Population of Rajasthan = 570 lakhs and population of UP = 1660 lakhs. Area of Rajasthan = 3 lakh km2 and area of UP = 2 lakh km2. (i) How many people
Correct Answer - 12 कंप्यूटर
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Death of companion cell causes death of sieve tube cells and vice versa. Justify.
Companion cells: a. These are narrow elongated and living. b. Companion cells are laterally associated with sieve tube elements. c. Companion cells have dense cytoplasm and prominent nucleus. d. Nucleus of companion cell regulates...
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