Advertisements
Advertisements
प्रश्न
What parameters are used for tiger census in our country’s national parks and sanctuaries?
पर्याय
Pug marks only
Pug marks and faecal pellets
Faecal pellets only
Actual head counts
उत्तर
Pug marks and faecal pellets
APPEARS IN
संबंधित प्रश्न
(a) Name the two growth models that represent population growth and draw the respective growth curves they represent.
(b) State the basics for the difference in the shape of these curves
(c) Which one of the curves represents the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.
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.
Define the Carrying capacity.
Mention the different ways by which the population density of different species can be measured.
Nutrient enrichment of water body result.
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Banyan
What type of population growth is represented by the above age pyramid?
An individual and a population has certain characteristics. Name these attributes with definitions.
The number of lily plants in a pond was found to be 50. After one year, the number. increased to 65. Calculate the natality of lily plants.