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CRPF Head Constable Mock Test - 8 - CRPF Head Constable MCQ


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30 Questions MCQ Test CRPF Head Constable Mock Test Series 2024 - CRPF Head Constable Mock Test - 8

CRPF Head Constable Mock Test - 8 for CRPF Head Constable 2024 is part of CRPF Head Constable Mock Test Series 2024 preparation. The CRPF Head Constable Mock Test - 8 questions and answers have been prepared according to the CRPF Head Constable exam syllabus.The CRPF Head Constable Mock Test - 8 MCQs are made for CRPF Head Constable 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CRPF Head Constable Mock Test - 8 below.
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CRPF Head Constable Mock Test - 8 - Question 1

Directions: Study the following information carefully to answer the given Questions:

P^Q-P is the child of Q
P!Q-P is the parent of Q
P*Q - P is elder to Q
P#Q-P is younger to Q
P@Q-P is brother of Q
P&Q - P is wife of Q
P+Q-P is sister-in-law of Q

Q. If G! A^T+J&O@L^P! G, then how is J related to A?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 1



G!A^T+J&O @L^P! G: G is parent of A, A is child of T, T is sister-in-law of J, J is wife of O, O is brother of L, L is child of P, P is parent of G.

CRPF Head Constable Mock Test - 8 - Question 2

In this following question, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one out.

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 2

The correct option is A.

All except Reader are persons involved in the preparation of a journal, newspaper or magazine.

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CRPF Head Constable Mock Test - 8 - Question 3

7, 7, 13, 37, 97, ?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 3

7 + 1³ – 1 = 7
7 + 2³ – 2 = 13
13 + 3³ – 3 = 37

CRPF Head Constable Mock Test - 8 - Question 4

48356 + 5412 – 736 = ? * 40

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 4

48356 + 5412 – 736 = x * 40
53032 = x * 40
x = 1325.8

CRPF Head Constable Mock Test - 8 - Question 5

Directions to Solve

In each of the following questions find out the alternative which will replace the question mark.

Question -

KeaC : CaeK :: XgmF : ?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 5

First and fouth letters are interchanged while second and third letters are interchanged.

CRPF Head Constable Mock Test - 8 - Question 6

The rows and columns of the left matrix have been labelled as 5, 6, 7, 8, 9 and F, G, H, I, J, whereas those of the right matrix are 0, 1, 2, 3, 4 and K, L, M, N, O. Find the correct row-column pairs out of these matrices that decode to the word - NKS8

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 6

N occurs at: G9 ;H6 ;H9 ;I9 ;J9 ;
K occurs at: F6 ;F7 ;F8 ;G5 ;G8 ;
S occurs at: K1 ;K2 ;L0 ;M2 ;N1 ;
8 occurs at: K0 ;M1 ;N0 ;N3 ;O4 ;

CRPF Head Constable Mock Test - 8 - Question 7

Direction: In each question below is given a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Statements: Vegetable prices are soaring in the market.

Conclusions:

  1. Vegetables are becoming a rare commodity.
  2. People cannot eat vegetables.
Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 7

The availability of vegetables is not mentioned in the given statement. So, I does not follow Also, II is not directly related to the statement and so it also does not follow.

CRPF Head Constable Mock Test - 8 - Question 8

Direction: In each question below is given a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Statements: This world is neither good nor evil; each man manufactures a world for himself.

Conclusions:

  1. Some people find this world quite good.
  2. Some people find this world quite bad.
Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 8

The statement mentions that the world for a man is as he makes it himself. So, some people might find it good and some quite bad. Thus, both I and II follow.

CRPF Head Constable Mock Test - 8 - Question 9

Directions: Study the following information carefully and answer the given questions.
Virat goes to Supermarket store to buy fruits. He enters the market, turns to his right, walks 7m and takes oranges. Then, he turns to his left, walks 3m and takes Peach. Again, he turns to his left, which is towards west, walks 7m and takes Papayas. Again, he turns to his right and looks at guavas, which 8m away from him. He takes guavas and moves to his right, walks 7m and stops at the counter for billing.

Q. How far is the Papaya stall from the starting point?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 9

CRPF Head Constable Mock Test - 8 - Question 10

The average of 10 two-digit positive integers is Z. However, one number AB is taken as BA, then the average increases to Z + 2.7. What is the value of |B - A|?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 10

CRPF Head Constable Mock Test - 8 - Question 11

At what percentage per annum, will Rs. 10,000 amount to 17,280 in three years? (Compound Interest being reckoned)

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 11

CRPF Head Constable Mock Test - 8 - Question 12

2522 ÷ 97 + 34 * 43 – 96 + 69 = ?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 12

26 + (34 * 43) – 96 + 69 = 1461

So Option B is correct

CRPF Head Constable Mock Test - 8 - Question 13

(54679 + 5982 + 32614) – (312 * 69) = ?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 13

54679 + 5982 + 32614 = 93275
312 * 69 = 21528
93275 – 21528 = 71747

So Option B is correct

CRPF Head Constable Mock Test - 8 - Question 14

Two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is larger number?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 14

CRPF Head Constable Mock Test - 8 - Question 15

A purse contains notes of Re. 1, Rs. 10 and Rs. 20 only. The number of notes of Re. 1 is seven times the number of notes of Rs. 10 and the number of notes of Rs. 20 is 4 times the number of notes of Rs. 10. How much money is there in the purse if there are total twelve notes of Rs. 20?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 15

Number of notes of Rs. 20 = 12
Number of notes of Rs. 10 = 12/4 = 3
Number of notes of Re. 1 = 7 × 3 = 21
Total amount = 12 × 20 + 3 × 10 + 1 × 21 = 240 + 30 + 21 = Rs. 291

CRPF Head Constable Mock Test - 8 - Question 16

A sold a watch to B at a gain of 5% and B sold it to C at a gain of 4%. If C paid Rs. 1,092 for it, the price paid by A is

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 16

Given: C paid Rs. 1,092.
Let the sum paid by A be Rs. X.
Then, amount paid by B to A = Rs. 1.05X
Amount paid by C to B = 1.04 × 1.05X = Rs. 1,092
 X = Rs. 1,000

CRPF Head Constable Mock Test - 8 - Question 17

If 350 stones of spherical shape are dropped into a hemispherical cup containing some water, they get fully submerged. Diameter of the cup is 14 m. What will be the radius of the stone, if the water just spills off from the hemispherical cup?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 17

Diameter of the hemispherical cup = 14 m
Therefore, radius of the hemispherical cup = 7 m
We know that,
Volume of the hemisphere 
Volume of sphere 
Let r be the radius of a stone.
According to the question,
350 × volume of stone = volume of hemispherical cup

700r3 = (7)3
r3 = 0.49

Therefore, radius is 0.79 m.

CRPF Head Constable Mock Test - 8 - Question 18

Find out the Synonym of the following word:

INEBRIATE

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 18
  • Dreamy: Having a magical or pleasantly unreal quality; dreamlike.
  •  Stupefied: Make (someone) unable to think or feel properly.
  • Unsteady: Liable to fall or shake; not steady in position.
  • Drunken: Drunk or intoxicated.
  • Inebriate: Drunk or intoxicated.

So the synonym of Inebriate is Drunken.

CRPF Head Constable Mock Test - 8 - Question 19

Find  the word most appropriate for Blank no. 20

The (11)____  citizen who has to get everyday jobs done by  various municipal and government  departments is (12)____  driven up a tree, first (13)____ them, second explaining to them what is (14)____ and lastly, getting the job done.

If this week I  (15)____ some personal experience in this column, it is because I can document them. It is not to ask for any special (16)____  or voice personal (17)____  but to bring into public view the  experience of hundreds, if not thousands of citizens everyday of the year and express the collective (18)____ of all of them. Because one’s usual experience is that when such complaints are (19)____ in such columns, the departments rush to (20)____

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 19

Mend means to put into good order something that is injured, damaged, or defective. mend implies making whole or sound something broken, torn, or injured.
In the last line of the passage the author wants to say that when the complaints are voiced against them, the departments rush and get panicked and start to mend.

CRPF Head Constable Mock Test - 8 - Question 20

Find  the word most appropriate for Blank no.  29

Our study about women’s place in Indian society is mainly based on urban, professional and educated Indian women. Deep in the rural heartland of the country, the rapidly changing world has not even touched the (29)____ of the life of a women. Most men of orthodox families take (30)____ in revealing that their (31)____ folk stay in ‘purdah’, a shield that (32)____ a woman of the joys of free nature. Still more alarming are the (33)____ of atrocities of women (34)____ incidents at Bantala, Singur and Birati are (35)____

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 20

Fringe means on the outer edge (of something).
Thus it is the most suitable word from all other options.

CRPF Head Constable Mock Test - 8 - Question 21

Directions: In the given statements, a blank has been given. This needs to be filled up using the correct combination of words from the three options mentioned, so that the resulting statement is grammatically and contextually correct.

In the ancient times, remaining alone was dangerous as _______________ animals could easily attack its solitary prey.

I. domesticated
II. wild
III. herbivorous

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 21

Domesticated: (of an animal) tame and kept as a pet or on a farm
Herbivorous: (of an animal) feeding on plants
“Domesticated” and “herbivorous” animals would not attack people. Even if they attack for some
reason, they would not consider humans their ‘prey’.
Hence, these two words get eliminated.
Only the word “wild” fits perfectly in the blank. “Wild” animals would consider humans as ‘prey’ and
attack them too.
Hence, option B is the correct answer.

CRPF Head Constable Mock Test - 8 - Question 22

Which one best expresses the given sentence in Passive/Active Voice?

Has someone made all the necessary arrangements?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 22

This sentence is in the active voice, with the subject "someone" performing the action of making the necessary arrangements. To convert it to the passive voice, the object of the verb (the necessary arrangements) becomes the subject of the sentence, and the verb is changed to its past participle form (been made). The preposition "by" is added to indicate who performed the action.

Option (c) correctly expresses the sentence in the passive voice. Option (a) and (b) are incorrect because they use incorrect word order, and option (d) is in the active voice, with the subject "one" performing the action.

CRPF Head Constable Mock Test - 8 - Question 23

Direction: The sentences given in the question, when properly sequenced, form a coherent paragraph. Each sentence is labeled with a letter. Choose the most logical order of sentences from the given choices to construct a coherent paragraph.

A. Not long after their victory, the Greeks began to think that they would never stack up to the glories of the past.

B. Throughout antiquity, those warriors, especially the Marathonomachai, who fought and defeated the Persian troops in the 490 BCE Battle of Marathon, would be revered as Athens’ Greatest Generation.

C. Even in the mid-fifth century BCE, Athenians were already looking back with longing.

D. A few decades earlier, Athenian citizen-soldiers had helped to rout the Persian invaders of Greece.

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 23

Sentence A refers to a “victory"?. What victory? Sentences B and D seem to provide an answer. Sentence B talks of the Greek warriors in the Battle of Marathon while sentence D is a more general statement about Athenian warriors routing Persian invaders. So, both sentences A and B are likely to follow D. Which of these sentences comes immediately after D? Sentence A states that not long after the victory, the Greeks already began to look back at it and think that they could never match this past glory. This does make sense when placed immediately after D. Now, consider sentence B. It talks of the Marathonomachai warriors who fought the war being regarded as Athens’ Greatest Generation. This too, looks like a good option to follow D. So, we need to look at some other clues to help us finalize the sentence order.

Sentences B and C make references to time. B talks of the 490 BCE war and C, of the mid- fifth century BCE (around 450 BCE). Note that in terms of timeline, B precedes C.

Now, C talks of Athenians “looking back with longing"?. To what? D provides an answer: a few decades earlier, Athenian citizen-soldiers had helped to rout the Persian invaders of Greece. So, D follows C.

If A were to follow D, we cannot place B in the paragraph. However, the sentence order BA does make sense after CD. So, the correct order is CDBA.

The question is " Arrange the sentences in the correct order "
The order is CDBA

Hence, the answer is CDBA
Choice D is the correct answer.

CRPF Head Constable Mock Test - 8 - Question 24

Directions: Read the following passage carefully and answer the questions given beside.

Remote sensing and GIS are promising tools for handling spatial and temporal data and help in integrating them for successful planning of natural resources. It is the science of measuring the earth using sensors mounted on high-flying aircrafts or satellites. These sensors collect data in the form of images and provide insights for manipulating, analysing and visualising those images. Since natural resources are not uniformly distributed and are spatially varied, it is challenging to capture the correct picture. Management of natural resources calls for scientific tools for timely and accurate dissemination of information. In natural resource management, remote sensing and GIS are mainly used in the mapping process. These techniques are useful in management of land, soil, coastal, watershed, urban and many more.

In India, the agriculture sector alone sustains the livelihood of around 50 percent of the population. Therefore, an increase in crop productivity has been a major concern. Since, the scope for increasing area under agriculture is limited, advanced crop production forecasting is required for better policymaking. Indian Space Research Agency (ISRO) and Indian Council of Agricultural Research (ICAR) successful experiment-Agricultural Resource Inventory and Survey Experiment (ARISE) used aerial colour photographs to estimate crop acreage in many states of India. Other Important uses of remote sensing include crop identification, stress detection, and crop yield modelling, drought monitoring, land degradation mapping and more. Urbanisation is important and inevitable for development, but its proper planning and management is crucial for sustenance. One of the important features of GIS is multilayered mapping. This kind of mapping helps municipal corporations, town planning boards to build cities that are better organised. The information systems with socio-economic data overlaid upon satellite data makes urban planning cost-effective and accurate. 

Coastal ecosystems have high ecological significance. GIS and remote sensing data are used to study coastal ecosystems and marine living resources which include habitats like mangroves, coral reefs and more. Apart from this, suspended shoreline dynamics can be studied and climatic changes leading to cyclones and sea level rise may be of special interest too. Geospatial data is effective in the analysis and determination of factors that affect the utilisation of these resources. The technologies provide a platform through which we can generate information that can be used to make sound decisions for sustainable development of the natural resources of India.

Q. How effective are remote sensing and GIS in managing urban growth?

I. GIS and remote sensing are helpful in building cities that are better organized.
II. The system makes urban planning cost-effective and accurate.
III. They help the government disseminate people living in extremely densed areas to less populated ones. 

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 24

Statement I. Helps municipal corporations, town planning boards to build cities that better organized.
Refer to:
One of the important features of GIS is multilayered mapping. This kind of mapping helps municipal corporations, town planning boards to build cities that better organized.
The highlighted parts above confirm what’s been stated in statement I. Hence, statement I is valid
Statement II. The system makes urban planning cost-effective and accurate.
Refer to:
The information systems with socio-economic data overlaid upon satellite data makes urban planning cost-effective and accurate.
From the highlighted  part in the sentence above, it’s clear that Statement II is  true. Hence, statement II is valid too. 
Statement III. They help the government disseminate people living in extremely densed areas to less populated ones. 
Nothing about the population is mentioned in the passage. Clearly, statement III is not true.

Option B is hence the correct answer.

CRPF Head Constable Mock Test - 8 - Question 25

Directions: Read the following passage carefully and answer the questions given beside.

Remote sensing and GIS are promising tools for handling spatial and temporal data and help in integrating them for successful planning of natural resources. It is the science of measuring the earth using sensors mounted on high-flying aircrafts or satellites. These sensors collect data in the form of images and provide insights for manipulating, analysing and visualising those images. Since natural resources are not uniformly distributed and are spatially varied, it is challenging to capture the correct picture. Management of natural resources calls for scientific tools for timely and accurate dissemination of information. In natural resource management, remote sensing and GIS are mainly used in the mapping process. These techniques are useful in management of land, soil, coastal, watershed, urban and many more.

In India, the agriculture sector alone sustains the livelihood of around 50 percent of the population. Therefore, an increase in crop productivity has been a major concern. Since, the scope for increasing area under agriculture is limited, advanced crop production forecasting is required for better policymaking. Indian Space Research Agency (ISRO) and Indian Council of Agricultural Research (ICAR) successful experiment-Agricultural Resource Inventory and Survey Experiment (ARISE) used aerial colour photographs to estimate crop acreage in many states of India. Other Important uses of remote sensing include crop identification, stress detection, and crop yield modelling, drought monitoring, land degradation mapping and more. Urbanisation is important and inevitable for development, but its proper planning and management is crucial for sustenance. One of the important features of GIS is multilayered mapping. This kind of mapping helps municipal corporations, town planning boards to build cities that are better organised. The information systems with socio-economic data overlaid upon satellite data makes urban planning cost-effective and accurate. 

Coastal ecosystems have high ecological significance. GIS and remote sensing data are used to study coastal ecosystems and marine living resources which include habitats like mangroves, coral reefs and more. Apart from this, suspended shoreline dynamics can be studied and climatic changes leading to cyclones and sea level rise may be of special interest too. Geospatial data is effective in the analysis and determination of factors that affect the utilisation of these resources. The technologies provide a platform through which we can generate information that can be used to make sound decisions for sustainable development of the natural resources of India.

Q. Why, according to the passage, are GIS and remote sensing considered as promising tools?

I. They collect data in the form of graphs.
II. They provide scope for manipulating, analyzing and visualizing the images.
III. They disseminate data’s more accurately.

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 25

Statement I. They collect data in the form of graphs.
Refer to:
These sensors collect data in the form of images and provide insights for manipulating, analyzing and visualizing those images. 
From the highlighted sentence above, it’s clear that Statement A is wrong as GIS and remote sensing tools collect data in the form of images and not graphs. Statement I is hence invalid
Statement II. They provide scope for manipulating, analyzing and visualizing the images.
From the same sentence as taken above for reference, we can infer that the mentioned tools are indeed helpful for manipulating, analyzing and visualizing the images. Statement III is hence true.
Statement III. They disseminate data’s more accurately.
Refer to: 
Management of natural resources calls for scientific tools for timely and accurate dissemination of information. In natural resource management, remote sensing and GIS are mainly used in the mapping process.
We can infer from the highlighted part above that GIS and remote sensing disseminate data’s more accurately.
Statement III is hence valid too.
Option B is hence the correct answer.

CRPF Head Constable Mock Test - 8 - Question 26

Directions: Read the following passage carefully and answer the questions given beside.

Remote sensing and GIS are promising tools for handling spatial and temporal data and help in integrating them for successful planning of natural resources. It is the science of measuring the earth using sensors mounted on high-flying aircrafts or satellites. These sensors collect data in the form of images and provide insights for manipulating, analysing and visualising those images. Since natural resources are not uniformly distributed and are spatially varied, it is challenging to capture the correct picture. Management of natural resources calls for scientific tools for timely and accurate dissemination of information. In natural resource management, remote sensing and GIS are mainly used in the mapping process. These techniques are useful in management of land, soil, coastal, watershed, urban and many more.

In India, the agriculture sector alone sustains the livelihood of around 50 percent of the population. Therefore, an increase in crop productivity has been a major concern. Since, the scope for increasing area under agriculture is limited, advanced crop production forecasting is required for better policymaking. Indian Space Research Agency (ISRO) and Indian Council of Agricultural Research (ICAR) successful experiment-Agricultural Resource Inventory and Survey Experiment (ARISE) used aerial colour photographs to estimate crop acreage in many states of India. Other Important uses of remote sensing include crop identification, stress detection, and crop yield modelling, drought monitoring, land degradation mapping and more. Urbanisation is important and inevitable for development, but its proper planning and management is crucial for sustenance. One of the important features of GIS is multilayered mapping. This kind of mapping helps municipal corporations, town planning boards to build cities that are better organised. The information systems with socio-economic data overlaid upon satellite data makes urban planning cost-effective and accurate. 

Coastal ecosystems have high ecological significance. GIS and remote sensing data are used to study coastal ecosystems and marine living resources which include habitats like mangroves, coral reefs and more. Apart from this, suspended shoreline dynamics can be studied and climatic changes leading to cyclones and sea level rise may be of special interest too. Geospatial data is effective in the analysis and determination of factors that affect the utilisation of these resources. The technologies provide a platform through which we can generate information that can be used to make sound decisions for sustainable development of the natural resources of India.

Q. What is the tone of the author?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 26

Option A is wrong as the author is not making a mockery of the successful work of GIS and remote sensing.

Option D is wrong as the author is optimistic about GIS and supports its usage.

Option B is also wrong as the author is nowhere seen criticizing GIS and remote sensing technique.

Option E is also incorrect as author is not asserting opinions in an arrogant manner.

The author supplements the entire passage with various examples and successful works of ISRO and ICAR. Evidently, the tone of the passage is ‘informative’.

Hence, option C is the correct answer.

CRPF Head Constable Mock Test - 8 - Question 27

Directions: Read the following passage carefully and answer the questions given beside.

Remote sensing and GIS are promising tools for handling spatial and temporal data and help in integrating them for successful planning of natural resources. It is the science of measuring the earth using sensors mounted on high-flying aircrafts or satellites. These sensors collect data in the form of images and provide insights for manipulating, analysing and visualising those images. Since natural resources are not uniformly distributed and are spatially varied, it is challenging to capture the correct picture. Management of natural resources calls for scientific tools for timely and accurate dissemination of information. In natural resource management, remote sensing and GIS are mainly used in the mapping process. These techniques are useful in management of land, soil, coastal, watershed, urban and many more.

In India, the agriculture sector alone sustains the livelihood of around 50 percent of the population. Therefore, an increase in crop productivity has been a major concern. Since, the scope for increasing area under agriculture is limited, advanced crop production forecasting is required for better policymaking. Indian Space Research Agency (ISRO) and Indian Council of Agricultural Research (ICAR) successful experiment-Agricultural Resource Inventory and Survey Experiment (ARISE) used aerial colour photographs to estimate crop acreage in many states of India. Other Important uses of remote sensing include crop identification, stress detection, and crop yield modelling, drought monitoring, land degradation mapping and more. Urbanisation is important and inevitable for development, but its proper planning and management is crucial for sustenance. One of the important features of GIS is multilayered mapping. This kind of mapping helps municipal corporations, town planning boards to build cities that are better organised. The information systems with socio-economic data overlaid upon satellite data makes urban planning cost-effective and accurate. 

Coastal ecosystems have high ecological significance. GIS and remote sensing data are used to study coastal ecosystems and marine living resources which include habitats like mangroves, coral reefs and more. Apart from this, suspended shoreline dynamics can be studied and climatic changes leading to cyclones and sea level rise may be of special interest too. Geospatial data is effective in the analysis and determination of factors that affect the utilisation of these resources. The technologies provide a platform through which we can generate information that can be used to make sound decisions for sustainable development of the natural resources of India.

Q. What can be the most appropriate title for the passage?

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 27

Refer to: 
… These techniques are useful in management of land, soil, coastal, watershed, urban and many more. 
The whole passage mentions the uses of remote sensing and GIS in various areas for planning and effective management and this can be inferred from the highlighted part above.
Evidently, option A suits best as the title of the passage and therefore is the correct answer.

CRPF Head Constable Mock Test - 8 - Question 28

The opinions and the comments about the working of the government are also expressed through media like

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 28

All these mediums help to convey the ideologies of the government and get in contact with the comments of public for the same.

CRPF Head Constable Mock Test - 8 - Question 29

Which one of the following is a viral disease in man?  

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 29

Mumps (epidemic parotitis) is a viral disease of the human species, caused by the mumps virus. Before the development of vaccination and the introduction of a vaccine, it was a common childhood disease worldwide. It is still a significant threat to health in the third world, and outbreaks still occur sporadically in developed countries. Painful swelling of the salivary glands (classically the parotid gland) is the most typical presentation.

CRPF Head Constable Mock Test - 8 - Question 30

Potassium Permanganate is used for purifying drinking water, because -

Detailed Solution for CRPF Head Constable Mock Test - 8 - Question 30

Potassium permanganate is a point-of entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are filtered out of the water.

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