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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What parameters are used for tiger census in our country’s national parks and sanctuaries? - Biology

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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

MCQ
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उत्तर

Pug marks and faecal pellets

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Organisms and Populations - MULTIPLE CHOICE QUESTIONS [पृष्ठ ९०]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 13 Organisms and Populations
MULTIPLE CHOICE QUESTIONS | Q 13. | पृष्ठ ९०

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

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


How does an age pyramid for human population at given point of time helps the policy-makers in planning for future.


"Analysis of age-pyramids for human population can provide important inputs for long-term planning strategies." Explain.


List the attributes that populations but not individuals possess.


Define the carrying capacity.


Answer the following question.
What is "population" according to you as a biology student? 


Nutrient enrichment of water body result.


The phenomenal and rapid increase of population in a short period is called ______.


The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:

Deer


Draw an age pyramid for the ‘zero population growth rate’.


An individual and a population has certain characteristics. Name these attributes with definitions.


Write the best method to measure the population density of a single Banyan tree in comparison to Partlzenium weeds in a forest by an ecologist. Explain and justify your answer.


Important attributes belonging to a population but not to an individual are:

  1. Birth rate and death rate
  2. Male and female
  3. Birth and death
  4. 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.


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.


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