Q. The ……….. river has its source in the Amarkantak Hill.
A. YamunaB. Narmada
C. KaveriD. Sani
Q. Who was the founder of plutonist school?
A. Carl RitterB. Grifit Taylor
C. Werner D. James Hutton
Q. Given the following data set, what is the value of the median? [ 2 4 3 6 1 8 9 2 5 7 ]
A. 2 B. 4.7
C. 4.5 D. 10
Q. Erosion in coastal areas forms different types of landform. Which of the following is/are erosional landform of coastal areas? 1. wave-cut platforms 2. Beaches 3. Capes and bays Select the correct answer using the codes given below.
A. 1 and 2 onlyB. 1 and 3 only
C. 2 and 3 onlyD. 1, 2 and 3
Q. While computing the arithmetic mean of a frequency distribution, the each value of a class is considered equal to:
A. Class markB. Lower limit
C. Upper limitD. Lower class boundary
Q. Scared groves are specially useful in
A. Generating environmental awarenessB. Preventing soil erosion
C. Year-round flow of water in riversD. Conserving rare and threatened species
Q. How many bio-geographical regions are present in India?
A. Field gene banksB. Seed banks
C. Shifting cultivationD. Botanical Gardens
Q. The population mean ? is called:
A. Discrete variableB. Continuous variable
C. ParameterD. S ampling unit
Q. Palakkad Gap is a ………………………. in State of Kerala.
A. CityB. Mountain Pass
C. FountainD. Town
Q. The ratio among the number of i t ems and the sum of reciprocals of items is called:
A. Arithmetic mean B. Geometric mean
C. Harmonic meanD. Mode
Q. Which imaginary line passes through the centre of our country?
A. EquatorB. Tropic of Capricon
C. Tropic of CancerD. None of these
Q. In quartiles, central tendency median to be measured must lie in
A. first quartileB. second quartile
C. third quartileD. four quartile
Q. River rejuvenation can occur due to: 1. uplift of land over which the river is flowing. 2. rise in sea-level. Which of the statements given above is/are correct?
A. 1 onlyB. 2 only
C. Both 1 and 2D. Neither 1 nor 2
Q. Which one of the following expanded forms of the followings acronyms is correct?
A. IUCN = International Union for Conservation of NatB. IPCC = International Panel for Climate Change
C. UNEP = United Nations Environmental PolicyD. EPA = Environmental Pollution Agency
Q. In the areas of intensive cultivation with excessive use of irrigation, especially in areas of green revolution, the fertile alluvial soils are becoming saline. What should be added in the soil to solve the problem of salinity?
A. CalciumB. Nitrogen
C. PhosphorusD. Gypsum
Q. Tamil Nadu bordering states are …………………………..
A. Kerala, Goa, Andhra PradeshB. Kerala, Karnataka, Madhya Pradesh
C. Chennai, Karnataka, Andhra PradeshD. Kerala, Karnataka, Andhra Pradesh
Q. Which of the following represent maximum number of species among global biodiversity?
A. AlgaeB. Lichens
C. FungiD. Mosses and Ferns
Q. The science of study of soils is called ?
A. SeismologyB. Pedology
C. EcologyD. Zoogeography
Q. The arithmetic mean is highly affected by:
A. Moderate values B. Extremely small values
C. Odd valuesD. Extremely large values
Q. Neyveli is a power generation township in ……………….. district of Tamil Nadu.
A. AriyalurB. Coimbatore
C. CuddaloreD. Dindigul