Environmental Studies Questions and Answers - Set 23 | Environmental Studies Quiz GkSeries

1 According to ZSI (GOI), which one of the following birds declined by 99% ?

1 Sparrow

2 Pink-headed Duck

3 Pond heron

4 White backed Vulture

Answer: White backed Vulture

2 According to Convention on International Trade in Endangered species (CITES) COP 17, which one of the following is transferred from CITES Appendix II to Appendix I by January 2017.

1 Gorilla

2 Pangolin

3 Tapir

4 Mongoose

View Answer

Answer: Pangolin

3 Taxonomic diversity of a region with several ecosystems is :

1 Alpha diversity

2 Beta diversity

3 Gamma diversity

4 Sigma diversity

View Answer

Answer: Gamma diversity

4 Soil water available to roots is

1 Surface water

2 Hygroscopic water

3 Gravitational water

4 Capillary water

View Answer

Answer: Capillary water

5 C4 plants are commonly found in

1 Arid and hot environment

2 Humid and low temperature environment

3 Temperature environment

4 Semi-humid and rainy environment

View Answer

Answer: Arid and hot environment

6 The point at which the light intensity is just enough to produce energy by photosynthesis which equal to the energy used in respiration is called

1 Equal point

2 Regulatory point

3 Compensation point

4 Complementary point

View Answer

Answer: Compensation point

7 The global pattern of prevailing winds drives the cell – like circulation pattern of ocean currents called

1 Trade winds

2 Gyres

3 Jet Streams

4 Shallow drifts

View Answer

Answer: Gyres.

8 As the number of species in a food web increases

1 Food chain length tends to increase.

2 System tends to be unstable

3 Energy flow decreases

4 System tends to collapse completely.

View Answer

Answer: Food chain length tends to increase.

9 Each degree of latitude on the earth’s surface represents approximately

1 91 km

2 101 km

3 111 km

4 121 km

View Answer

Answer: 111 km

10 Remote sensing satellites for earth observation are normally located in

1 Elliptical orbit

2 Sun-synchronous orbit

3 Geo-synchronous orbit

4 Equatorial orbit

View Answer

Answer: Sun-synchronous orbit

11 Asian Ministerial Conference on Disaster Risk Reduction – 2016 (AMCDRR – 2016) was held in

1 Bangkok

2 Beijing

3 New Delhi

4 Colombo

View Answer

Answer: New Delhi

12 Magma starts to crystallise when it loses heat during its upward rise to shallower level from a deep source. Which among the following is Bowen’s Reaction Series

1 Pyroxene, Hornblende, Olivine, Mica, Quartz

2 Olivine, Pyroxene, Hornblende, Mica, Quartz

3 Hornblende, Olivine, Mica, Pyroxene, Quartz

4 Olivine, Pyroxene, Hornblende, Mica, Quartz

View Answer

Answer: Olivine, Pyroxene, Hornblende, Mica, Quartz

13 A 2000 MW dam has maximum head of 200 m. What is the rate of falling water on the turbines ? (Neglect losses)

1 ~ 102.00 m3/s

2 ~ 1560.24 m3/s

3 ~ 1020.41 m3/s

4 ~ 800.00 m3/s

View Answer

Answer: ~ 1020.41 m3/s

14 The maximum efficiency of hydrogen fuel cell is

1 0.96

2 0.92

3 0.83

4 0.72

View Answer

Answer: 0.83

15 In a biogas digestor having biomass and animal wastes as feed, for optimum methane production, the value of pH should be such that initially

1 pH is in the range 6.6 to 7

2 pH < 6.2

3 pH is in the range 7 to 7.2

4 pH is in the range 7.6 to 8

View Answer

Answer: pH is in the range 6.6 to 7

Environmental Studies Questions and Answers for Competitive Exams | Environmental Studies Quiz Set 23

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