UPSC Prelims Mock Test 7 - GS Paper 1 - Free Test Series -IAS Questions

UPSC Prelims Mock Test 7 – GS Paper 1

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1.Consider the following factors with respect to eutrophication of a lake:
1.It cause dense growth of algal blooms.
2.Excessive use of nitrate and phosphate fertilizers can accelerate this phenomenon
Select the correct answer using the code given below.
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

2.Which of the following can cause destruction of ozone layer?
1.Methyl bromide
2.Methyl chloroform
3.Halons
Select the correct answer using the code given below:
(a)1, 2 and 3
(b)1 and 2 only
(c)2 and 3 only
(d)1 and 3 only

3.Recently a memorandum of understanding regarding Bioceanic Railway Integration Corridor Project has been signed between India and:
(a)Brazil
(b)Bolivia
(c)European Union
(d)Czechoslovakia

4.Which of the following mentioned below is/are carbon sinks?
1.Seagrass beds
2.Salt marshes
3.Mangroves
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1,2 and 3

5.Consider the following statements with respect to categorisation of industries based on pollution load:
1.As per the classification, there are four categories of division of industries.
2.White category of industries is the least polluting.
3.No Red category of industries shall normally be permitted in the ecologically fragile areas.
Which of the statements given above is/are correct?
(a)1 and 2 only
(b)1 and 3 only
(c)2 and 3 only
(d)1, 2 and 3

6.Consider the following statements with respect to “Healthy States, Progressive India” Report.
1.NITI Aayog released the second edition of report recently.
2. Kerala has topped among large states on overall health performance in this edition of the Report.
Which of the above statements is/are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

7.Which of the following statements best explain the term “pesticide treadmill”:
(a)The need for continuous and repeated use of pesticides
(b)Massive one time use of pesticides.
(c)Slowly reducing the amount of pesticide usage
(d)A method of testing the sustainability of a pesticide.

8.Consider the following statements about microbeads:
1.They are solid plastic particles of less than one millimeter in size.
2.They cause hazards to marine animals.
Which of the statements given above is/are correct?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

9.Which of the following gases is/are covered by the National Ambient Air Quality Standards?
1.Carbon Dioxide
2.Carbon Monoxide
3.Ozone
4. Benzene
5. Pyrene
Select the correct answer using the code given below.
(a) 1,2,3,4 and 5
(b) 1,2,3 and 5 only
(c) 2,3,4 and 5 only
(d) 1, 2 and 3 only

10. Marine cloud brightening technique is encouraged in the present times because:
1. It reduces the greenhouse gas emissions from various sources by absorbing carbon dioxide.
2. It reduces the temperature of atmosphere and oceans by reflecting sunlight.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

11.Which of the following statement is not correct about photochemical smog?
(a) It results from high concentration of sulfur oxides in air.
(b) Tropospheric ozone is one of its common components.
(c) It can cause damage to plants.
(d) It can cause difficulty in
breathing.
12. Consider the statements regarding the Nipah Virus:
1. The organism which causes Nipah Virus encephalitis is an RNA or Ribonucleic acid virus.
2. Nipah virus is a zoonotic virus and can also be transmitted through contaminated food or directly between people.
Which of the above statements is/are true?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

13.Which of the following is/are not part of the ecosystem?
1.Microorganism
2.Humans
3.Non Living constituents
Choose the correct answer from the options given below
(a)2 and 3 only
(b)2 only
(c)3 only
(d)None of the above

14.Consider the following statements regarding Insolvency and Bankruptcy Code, 2016 (IBC):
1.Under IBC, when a default in repayment occurs, creditors gain control over the debtor’s assets and must make decisions to resolve insolvency within a 180- day period along with a provision of one time extension.
2.The proceedings of the resolution process will be adjudicated by the National Companies Law Tribunal for individuals; and the Debt Recovery Tribunal for companies.
Which of the above statements is/are true?
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

15.Consider the following statements regarding Chaukhandi Stupa:
1.It is an ancient Buddhist site in Sarnath
2.The stupa is originally believed to be built by Emperor Ashoka.
3. The octagonal tower on top of the stupa is a Mughal monument built-in 1588 to commemorate Humanyun’s visit to this place.
Which of the above statements is/are true?
(a)1 and 2
(b)2 and 3
(c)1 and 3
(d)1, 2 and 3

16.With reference to trophic levels in an ecosystem, consider the following statements:
1.The trophic level of an organism is the position it occupies in a food chain.
2.Consumers at each level convert roughly about 10% of chemical energy to biomass.
Select the correct answer using the code given below.
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

17.Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services has recently released a report noting five direct drivers of environmental change with largest global impact. Which of the following given below has the maximum such impact?
(a)Climate Change
(b)Changes in land and sea use
(c)Invasive alien species
(d)Pollution

18. Consider the following statements regarding biomes:
1. No two biomes are completely similar in terms of vegetation and biodiversity.
2. Climate determines the boundaries of a biome and abundance of plants and animals found in each one of them.
Select the correct statements using the codes given below
(a)1 only
(b)2 only
(c)Both 1 and 2
(d)Neither 1 nor 2

19.Which of the following is/are the
sadhanas of Yoga?
1.Yama
2.Asana
3.Pratyahara
4.Yuktahara
Select the correct answer using the codes given below.
(a)1 and 2 only
(b)1, 3 and 4 only
(c)2 and 4 only
(d)All of the above

20.Which of the following explains Proton therapy?
(a)A treatment that uses high- energy beams to treat tumors
(b)A new method that proves
(c) A less invasive body scanning method
(d) A selective radiation method for treating tuberculosis

21. Consider the following statements regarding Terrestrial Ecosystems:
1. The most important limiting factors of the terrestrial ecosystem are moisture and altitude
2. The differences between different ecosystems are reflected in biotic as well as material components
Choose the statements which are correct
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

22. Anthropocene refers to:
(a) It was the time period which corresponds to the last major ice age.
(b) Recently discovered new time
period in the geological time scale marked by extensive droughts around the world.
(c) Recently discovered largest sandstone caves in the world.
(d) Proposed time period which coincides with the significant human impact on Earth’s ecosystem.

23. Consider the following statements about particulate pollutants:
1. They are microscopic liquid and solid particles present in the form of suspension in the air.
2. Finer particles are more dangerous to human health compared to larger ones.
3. There exist natural and artificial sources of particulate matter.
Select the correct answer using the code given below:
(a) 1 only
(b) 1 and 2 only
(c) 1 and 3 only
(d)1, 2and 3

24. With reference to the human impact on environment, consider the following statements:
1. Since the advent of Industrial Revolution, the pH of ocean water has fallen down to 2 units.
2. Highest per capita carbon dioxide emission of gases is recorded currently in emerging countries like China and India.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2 (d) Neither 1 nor 2

25. Consider the following statements regarding Tundra biome:
1. Treesaregenerallynotpresentin Tundra.
2. Amphibians are present in large numbers due to their adaptable nature.
3. Most of the animals have a long life.
Select the correct statements using the options given below
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1,2 and 3
26.Which of the following constitutes a sedimentary cycle?
1. Phosphorus cycle
2. Sulfurcycle
3. Carbon cycle
Select the correct answer using the code given below.
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1,2 and 3

27. Consider the statements regarding NITI Aayog:
1. Prime minister of India acts as the Ex-Officio Chairman of the body.
2. NITI Aayog draws the power from Article 282 of the Indian constitution.
3. NITI Aayog determines the discretionary grants to the states.
Which of the above statements is/are true?
(a) 1 only
(b) 1 and 3
(c) 2 and 3
(d) All the above

28. Consider the following statements about Indicator species:
1. All the top level predators are generally indicator species.
2. Absence of frog indicates that water ecosystem has turned healthy and fresh.
Which of the above statements is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

29.Consider the following statements with respect CAFE or Corporate Average Fuel Efficiency/Economy regulations:
1. The norms are applicable for petrol, diesel, LPG and CNG passenger vehicles
2. They are not yet implemented in India
Select the correct answer using the code given below:
(a) 1 only
(b) 2 only
(c) Both 1 and 2 (d) Neither 1 nor 2

30. Consider the following statements regarding Strum Ataka anti-tank missile?
1. It is developed indigenously by the DRDO
2. It can only be used in land attacks and should be mounted on the ground based missile systems.
Which of the above statements is/are true?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

31. Which of the following is/are the characteristics of equatorial forests?
1. Presence of large number of epiphytes.
2. Presence of short, sparsely set trees which forms continuous canopy.
3. They receive abundant moisture and sunlight
Choose the correct statements using the codes given below
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1,2 and 3
(d) 1 and 2 only

32.The ‘World Population Prospects 2019’ is released by which of the following organization?
(a) International Centre for Population Studies
(b) Asian Development Bank
(c) OECD
(d) United Nations

33. Consider the following statements regarding food chain:
1. An organism can operate at more than one trophic level.
2. Flow of energy is always unidirectional
3. Usually food chains only have 3- 5 trophic levels.
Select code given below:
(a) 1 and 2 only
(b) 1,2 and 3
(c) 2 and 3 only
(d) 1 only

34. Recently, Chief Justice of India has written to Prime Minister to initiate a motion for removal of a judge of Allahabad High Court. In this regard consider the statements on removal of judges of the high court:
1. Article 217 provides that the judge of high court may be removed from his office by the President.
2. The Judges Enquiry Act regulates the procedure relating to the removal of a judge of a high court
by the process of impeachment Which of the above statements is/are true?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2

35. Artificial leaf, a recent invention by the scientists is primarily:
(a) Developed for aiding the afforestation purposes in the desert regions.
(b) Developed for studying the plant properties in extreme climates.
(c) Developed to mimic the real leaves and use carbondioxide to produce energy.
(d) None of the above

36. Consider the following statements about bioaccumulants:
1. It exhibits tendency to move towards higher level in a food chain.
2. It can be easily diluted and broken down in animal body by excretion through urine.
3. It can be transferred to infants through mothers breast milk.
Select the correct answer using the code given below:
(a) 1 and 3 only
(b) 1,2 and 3
(c) 1 only
(d) None of the above