Advertisements
Advertisements
प्रश्न
State any two districts with favourable sex ratio. Indicate the ratios.
Advertisements
उत्तर
- The Nilgiris (1041 females)
- Thanjavur (1031 females)
APPEARS IN
संबंधित प्रश्न
Describe diagrammatic representation of age structure showing declining population.
With the help of suitable diagrams, explain how the age structures determine the trend of population.
In literacy rate, TN ranks
Which district in TN has the highest sex ratio?
Which district has the lowest child sex ratio?
The number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration is known as ______.
On which of the following factors does the population growth of a country depends upon?
The type of population represented in the given age pyramid is
Which of the following attributes links ecology to population dynamics, genetics, and evolution?
What can you interpret from an age pyramid with a broad base?
The birth rate of a population is also known as______.
What will be the net increase in the population if the average natality was 250, average morta1ity 240, immigration 20 and emigration 30?
Identify the type of population depicted in the given pyramid.
Mortality of a region is assessed by ____________ of individuals per unit area per unit time.
Identify ‘A’ in the given graph of population growth:
Match the following:
| Column A | Column B | ||
| (i) | Organism | (a) | Large unit with specific climatic zone |
| (ii) | Population | (b) | Different species in particular area |
| (iii) | Community | (c) | Same species in a geographical area |
| (iv) | Biome | (d) | Basic unit of ecological hierarchy |
Identify the appropriate term for the number of births under ideal conditions:
Explain the term Emigration.
