GK in English

GK Chapterwise – CDS Previous Year Papers

Table of Contents

241. Over 90% of the world’s biomass is in

(a)tropical rain forests
(b) freshwater wetlands
(c) topsoils
(d) oceans
Ans: (d)

CDS (I) 2008

242. Which one among the following is a source of methane emission into the atmosphere?

(a)Automobile exhaust fume
(b) Industrial chimney
(c) Mining
(d) Wetland
Ans: (d)

CDS (II) 2010

243. Which one among the following statements is not correct?

(a)Trophic dynamics represents the transfer of energy from one trophic level to another in a food chain
(b) In deeper parts of oceans, primary production remains almost nil
(c) The primary consumers are called autotrophs
(d) The decomposes are called saprotrophs
Ans: (c)
CDS Exam (II) 2015

244. Which one among the following statements is correct with regard to the C-5M Super Galaxy?

(a)It is a large military helicopter
(b) It is a large military transport aircraft
(c) It is a galaxy of stars very close to the Sun
(d) It is a US fighter aircraft to be completed in 2014
Ans: (b)
CDS Exam (I) 2011

245. Lack of atmosphere around the Moon is due to

(a)low escape velocity of air molecule and low gravitational attraction
(b) high escape velocity of air molecule and low gravitational attraction
(c) low gravitational attraction only
(d) high escape velocity of air molecule only
Ans: (a)

CDS (I) 2013

246. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?

(a)Transparent to both incoming sunlight and outgoing infrared radiation
(b) Stops both incoming sunlight and outgoing infrared radiation
(c) Lets outgoing infrared radiation pass through but stops incoming sunlight
(d) Lets incoming sunlight pass through but stops outgoing infrared radiation
Ans: (d)

CDS (II) 2017

247. What are G arboreum, G herbaceum, G hirsutum and G barbadense whose all the four species are cultivated in india ? (G = Gossypium)

(a)Species of wool
(b) Species of cotton
(c) Species of silk
(d) Species of jute
Ans: (b)
CDS Exam (II) 2015

248. The soil formed by wind dust in and around hot deserts is called

(a)silty soil
(b) loamy soil
(c) sandy soil
(d) loess soil
Ans: (d)

CDS (II) 2019

249. Why do we have a leap year every four years?

(a)The Earth gets shifted out of orbit every four year
(b) The revolution slows down a little once every four years
(c) The length of a year is not an integer number of days
(d) It is a convention
Ans: (c)

CDS (I) 2012

250. Rain bearing clouds look black because

(a)all light is scattered by them
(b) the large number of water droplets in them absorb all the sunlight
(c) they reflect the sunlight back into the atmosphere
(d) there is a lot of dust condensed on the water vapour in such clouds
Ans: (a)

CDS (II) 2007

251. Match the following List I List II
(Tribal Group) (State where Prodominantly Located)
A. Reang 1. Arunachal Pradesh
B. Dimasa 2. Nagaland
C. Konyak 3. Tripura
D. Mishmi 4. Asom Codes A B C D A B C D

(a)1 2 4 3
(b) 1 4 2 3
(c) 3 2 4 1
(d) 3 4 2 1
Ans: (d)
CDS Exam (II) 2009

252. Which one among the following sequences of water bodies, from lower to higher salinity concentration, is correct?

(a)Gulf of California-Baltic Sea-Red Sea-Arctic sea
(b) Baltic Sea-Arctic Sea-Gulf of California-Red Sea
(c) Red Sea-Gulf of California-Arctic Sea-Baltic Sea
(d) Arctic Sea-Gulf of California-Baltic Sea-Red Sea
Ans: (b)

CDS (II) 2018

253. If news is broadcast from London at 10: 30 am, at what time it will be heard at Baghdad (45p E)?

(a)7: 30 am
(b) 9: 00 am
(c) 1: 30 pm
(d) 12: 00 noon
Ans: (c)

CDS (I) 2016

254. Surface water resources are highest in

(a)Ganga plains
(b) North-Eastern India
(c) Peninsular India
(d) Indus plains
Ans: (a)

CDS (II) 2008

255. The main aim of watershed management strategy of India is

(a)promoting silviculture
(b) hillslope management
(c) arid land management
(d) soil conservation
Ans: (d)
CDS Exam (II) 2010

256. In absorption of insolation, the most significant part is played by

(a)carbon dioxide
(b) ozone
(c) oxygen
(d) haze
Ans: (a)

CDS (II) 2015

257. Which among the following cities of India will have mid day Sun exactly overhead only a year?

(a)Delhi and Chennai
(b) Srinagar and Darjeeling
(c) Hyderabad and Kohima
(d) Nagpur and Kolkata
Ans: (b)

CDS (I) 2011

258. The riverbank is weakest where the river turns. This is because water

(a)gets concentrated on the inner bank of the turn, making it denser
(b) effectively bounces off the outer bank as it turns exerting an extra pressure on the bank
(c) flows faster as it turns
(d) reacts more effectively with the bank at a turn
Ans: (b)
CDS Exam (I) 2013

259. Farmers are requested to mix lime with soil while farming their fields. This is because

(a)lime is very helpful in maintaining the water content in the soil
(b) lime decreases the acidity of soil
(c) lime decreases the basicity of soil
(d) high concentration of lime is necessary for the plant growth
Ans: (b)
CDS Exam (II) 2017

260. Match the following Lis t I Lis t II
(River) (Tributary)
A. Ganga 1. Chambal and Ken
B. Indus 2. Wainganga and Indravati
C. Yamuna 3. Chenab and Sutlej D.Godavari 4. Gomti and Kosi Codes A B C D A B C D

(a)4 1 3 2
(b) 4 3 1 2
(c) 2 1 3 4
(d) 2 3 1 4
Ans: (b)

CDS (II) 2015

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