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प्रश्न
What parameters are used for tiger census in our country’s national parks and sanctuaries?
विकल्प
Pug marks only
Pug marks and faecal pellets
Faecal pellets only
Actual head counts
उत्तर
Pug marks and faecal pellets
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संबंधित प्रश्न
Study the graph given below and answer the questions that follow :
(i) Write the status of food and space in the curves (a) and (b).
(ii) In the absence of predators, which one of the two curves would appropriately depict the prey population?
(iii) Time has been shown on X-axis and there is a parallel dotted line above it. Give the significance of this dotted line
"Analysis of age-pyramids for human population can provide important inputs for long-term planning strategies." Explain.
What is an age-pyramid?
Study the flow chart given below and complete the equation that follows by identifying 1, 2, 3 and 4.
Nt + 1 = Nt + {(1+ 2) − (3 + 4)}
Mention the different ways by which the population density of different species can be measured.
Age distribution in a population can influence
Which one of the following organisms reproduces sexually only once in its lifetime?
Comment on the following figures: 1, 2 and 3:
A, B, C. D, G, P, Q, R, S are species
Important attributes belonging to a population but not to an individual are:
- Birth rate and death rate
- Male and female
- Birth and death
- Sex-ratio
Select the correct option from the given options:
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
