Advertisements
Advertisements
प्रश्न
State any two districts with favourable sex ratio. Indicate the ratios.
उत्तर
- The Nilgiris (1041 females)
- Thanjavur (1031 females)
APPEARS IN
संबंधित प्रश्न
Distinguish between Natality and Mortality.
Which of the following is wrongly matched?
Which district in TN has the highest sex ratio?
Which district has the lowest child sex ratio?
The number of individuals of population who left the habitat during the time period under consideration is known as ______.
Which of the following is INCORRECT?
On which of the following factors does the population growth of a country depends upon?
Which phase of the Logistic growth curve shows that the population density has reached the canying capacity in a habitat with limited resources?
The type of population represented in the given age pyramid is
What will be the birth rate per individual per hour of a population of 50 Paramoecium present in a pool. The population of Paramoecium increases to 150 within an hour.
What will be the net increase in the population if the average natality was 250, average morta1ity 240, immigration 20 and emigration 30?
Logistic growth curve has many phases which are respectively:
Mortality of a region is assessed by ____________ of individuals per unit area per unit time.
A population is a group of all ____________ in a given time.
Match the following Column I with Column II.
| Column I | Column II |
| A. Population | (i) Part of the earth has all ecosystems. |
| B. Community | (ii) Assemblage of all individuals belonging to different species of an area. |
| C. Ecosystem |
(iii) Group of similar individuals of the same species, found in an area. |
| D. Ecosphere | (iv) Interaction between living organisms and their physical environment. |
Which of the following conditions represents zero population growth?
How many national parks and sanctuaries are present in Maharashtra?
Explain the term Emigration.
