The most appropriate sampling technique to represent the heterogenous population of a region is :

• Cluster

• Random stratified

• Systematic

• Purposive

• a-iii , b-iv , c-i , d-ii

• a-iv , b-iii , c-ii , d-i

• a-i , b-iv , c-iii , d-ii

• a-ii , b-iii , c-iv , d-i

Consider the following figures as X AND Y respectively :     

• Fig X is small scale and the distnce between A and B is 40 metres

• Fig Y is large scale and the distnce between C and D is 4 km

• Fig X is large scale and Fig Y is small scale. The distance between A and B and C and D are 40 metres and 20 km respectively.

• Fig X is alrge scale and Fig Y is small scale . The distance between A & B and C & D are equal.

If the variability of rainfall is to be measured , which of the following techniques will be used ?

• Mean Deviation

• Standard Deviation

• Co-efficient of Variation

• Interquartile Range

115.

Which of the following is not a Quantitative Distribution Map ?

• Choroschematic Map

• Isopleth Map

• Dot Map

• Choropleth Map

Occupational structure of population in India at state level is best represented by :

• Dot Method

• Isopleth

• Choropleth

• Pie Diagram

In which of the following year , IRS-IA was launched

• 1982

• 1987

• 1988

• 1990

Which one of the following values of correlation coefficient (r) is not correctly matched degree of relationship ?

• + 0.99 High

• + 0.50 Moderate

• - 0.01 Very Low

• - 0.99 Nil

An original map has the R.F. - 1/50000 and RF of the new map will be 1/250000. What is the correct proportion of enlargement/reduction as given below ?

• Reduction 1/5

• Enlargement (5 times)

• Reduction 1/10

• Enlargement (10 times)

ASSERTION (A) : The Raster format data structure provides a greater computional efficiency.

REASON (R) : The raster data is simple.

• Both (A) and (R) are correct and (R) explains (A).

• Both (A) and (R) are correct and (R) does not explains (A).

• (A) is correct , but (R) is false.

• (A) is false , but (R) is correct.