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Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Indian Air Force Agniveer Vayu MCQ


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30 Questions MCQ Test Indian Air Force Agniveer Vayu Group X Mock Test Series 2025 - Indian Air Force Agniveer Science & Other than Science Mock Test - 4

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 for Indian Air Force Agniveer Vayu 2025 is part of Indian Air Force Agniveer Vayu Group X Mock Test Series 2025 preparation. The Indian Air Force Agniveer Science & Other than Science Mock Test - 4 questions and answers have been prepared according to the Indian Air Force Agniveer Vayu exam syllabus.The Indian Air Force Agniveer Science & Other than Science Mock Test - 4 MCQs are made for Indian Air Force Agniveer Vayu 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 below.
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Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 1

A bus is moving with a speed of 10 ms–1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist, with what speed should the scooterist ch ase the bus? [2009]

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 1

Let v be the relative velocity of scooter w.r.t bus as v = vS– vB

=   10 + 10 = 20 ms–1

∴ velocity of scooter = 20 ms–1

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 2

In a Carnot engine 800 J of heat is absorbed from a source at 400 K and 640 J of heat is rejected to the sink. The temperature of the sink is:

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 3

The cyclotron frequency vc is given by 

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 3

In cyclotron the centripetal force is balanced by magnetic force, then
qvB = mn2/r ⇒ qBr/m = v
where v = 2πrv∴ vc = qB/2πm

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 4

An AC generator consists of

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 4

Explanation:AC generators  operate on the same fundamental principles of electromagnetic induction.The turning of a coil in a magnetic field produces motional emfs in both sides of the coil.A slip ring  is a method of making an electrical connection through a rotating assembly. Formally, it is an electric transmission device that allows energy flow between two electrical rotating parts, such as in a motor.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 5

What is the value of cos 41π/4

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 5

Step-by-step explanation:

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 6

Express the following in standard form : (2 – √3i) (2 + √3i) + 2 – 4i

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 6

Given: (2−√3i)(2+√3i) + 2 − 4i​

(2−√3i)(2+√3i) = 7

⇒ 7 + 2 - 4i

⇒ 9 - 4i

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 7

Find the points on z-axis which are at a distance  from the point (1, 2, 3).

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 7

Let the point on Z axis be given as (0,0,z).  The distance between (1,2,3) and (0,0,z) is given as [(1)2 + (2)2 + (3-z)2]½ = (21)1/2
5+(3−z)2=21
z2−6z−7=0
z=7,z = −1
Hence points are (0,0,7),(0,0,−1)

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 8

The distance between the lines 5x – 12y + 65 = 0 and 5x – 12y – 39 = 0

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 8

5x − 12y + 65 = 0, 5x − 12y − 39 = 0 
Since, these lines are parallel .
a = 5,  b = -12,  c1 = 65    c2 = -39
So, d = |c1 − c2|/[a2 + b2]1/2
⇒ d = 104/13
= 8

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 9

 The centre and radius of the circle x2 + y2 + 4x – 6y = 5 is:

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 9

x2+y2+4x-6y=5
Circle Equation
(x-a)2+(y-b)2=r2 is the circle equation with a radius r, centered at (a,b)
Rewrite x2+y24x-6y=5 in the form of circle standard circle equation
(x-(-2))2+(y-3)2=(3√2)2
Therefore the circle properties are:

(a,b) = (-2,3), r = 3√2

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 10

Determine whether the given planes are parallel or perpendicular, and in case they are neither, find the angles between them.7x + 5y + 6z + 30 = 0 and 3x – y – 10z + 4 = 0

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 10



Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 11

​If , then the value of x is:

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 11

As value of both determinants are equal
∴ (1×1) - (1×1) = 4x - 2
0 = 4x-2.
4x = 2.
x = 2/4 = 1/2

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 12

The equation of the tangent to the curve y=(4−x2)2/3 at x = 2 is

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 12

, which does not exist at x = 2 . However , we find that  , at x = 2 . Hence , there is a vertical tangent to the given curve at x = 2 .The point on the curve corresponding to x = 2 is (2 , 0). Hence , the equation of the tangent at x = 2 is x = 2

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 13

The value of  is:

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 13

I = ∫(1+cos2x)/2 dx
⇒ I = 1/2∫(1+cos2x)dx
⇒ I = 1/2∫1dx + 1/2∫cos2xdx
Using the integral formula ∫coskxdx = sinkx/k + c, we have
∫cos2 xdx = 1/2x + 1/2(sin2x)/2 + c
⇒ [1/2x + 1/4sin2x](-π/4 to π/4)
=> [-π/8 - π/8] + [1/4sin(-π/2) - 1/4sin(π/2)]
= - 2π/8 + [-¼ - ¼]
= -π/4 -½
= -(π/4 +½)

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 14

The sample space associated to thrown a dice is

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 15

Find out the Synonym of the following word:

ADVERSITY

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 15
  • Meaning of Adversity: A difficult or unpleasant situation.
  • Meaning of Failure: Lack of success
  • Meaning of Helplessness: Inability to defend oneself
  • Meaning of Content: In a state of peaceful happiness 
Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 16

Read the each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer. If there is no error, the answer is 'D'. (Ignore the errors of punctuation, if any).

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 16

show a mind fully alert to

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 17

If seriously mentally ill people do not receive medication, they can grow unable tosupport themselves, become irrational, and perhaps even threatening the safetyof themselves or others.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 17

This question has to do with parallel structure. The correct structure is ‘grow’, ‘become’ and ‘threaten’. Only B has this combination.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 18

Directions: Rearrange the following six sentences (1), (2), (3), (4), (5) and (6) in the proper sequence to form a meaningful paragraph and then answer the question given below.

1. Officials of the Russian-American Company reasoned that a permanent settlement along the more temperate shores of California could serve both as a source of food and a base for exploiting the abundant sea otters in the region.
2. The Russians had begun their expansion into the North American continent in 1741 with a massive scientific expedition to Alaska.
3. By the early 19th century, the semi-governmental Russian-American Company was actively competing with British and American fur-trading interests as far south as the shores of Spanish-controlled California.
4. As a growing empire with a long Pacific coastline, Russia was in many ways well positioned to play a leading role in the settlement and development of the West.
5. Returning with news of abundant sea otters, the explorers inspired Russian investment in the Alaskan fur trade and some permanent settlement.
6. Russia's Alaskan colonists found it difficult to produce their own food because of the short growing season of the far north.

Q. Which of following is the FOURTH sentence after rearrangement?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 18

The context is about Russian attempt to expand their region. Sentence 4 is the leading sentence. It introduces Russia - 'as a growing empire'. The words 'begun their expansion' in 2 link with 'as a growing empire' in sentence 4. The word 'explorers' in 5 links with 'expedition' in 2. 'Fur-trading interests' in 3 refer to 'fur trade' in 5. So, 3 follows 5. The sequence becomes: 4-2-5-3. The explorers had excited the Russians for fur trade in Alaska but there was conflict of interest. Russians also found it difficult to produce food there (sentence 6) and the alternative is provided in sentence 1 (reasoned that ... California could serve both as a source of food). So, the final sequence becomes: 4-2-5-3-6-1.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 19

Direction: In the questions given below a sentence is given with two blanks in each. Corresponding to each question two columns are given with three words in each column. Which combination of words from the two columns will perfectly fit into the blanks to make the sentence contextually correct and meaningful?

IIT-Bombay has been ______________ India’s best university for the second year in a row, ___________ a global ranking of 152 in the QS World University Rankings for 2020. 

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 19

According to the given context we are saying that the IIT Bombay has been chosen as the best institution in India by the QS Rankings and it has got a rank of 152 in the rankings this year.

Now coming to the words given in both the columns, ranked and rated from the first column can be used for the first blank since they are synonyms to each other and they perfectly fit in the first blank also. Coming to the words in the Second Column, both gaining and achieving can also be used interchangeably to fill the second blank. Therefore, A-E and B-D both can be used in order to make the sentence grammatically and contextually correct.

This makes Option B the correct choice among the given options. 

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 20

Direction: Each question below has one blank, which is indicating that something has been omitted. Find out which option can be used to fill up the blank in the sentence in the same sequence to make it meaningfully complete. 

Buying a home is one of the most _____________ financial decisions we need to take. 

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 20

According to the given context we can see that we are talking about the decision to purchase a home and it is one of the most important and significant decisions in the financial life of a person. Among the given options, we can use the word important to fill the blank and make the sentence meaningful. Other words are irrelevant and can be eliminated from consideration.

This makes Option A the correct choice among the given options. 

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 21

Directions: Read the passage and answer the questions that follow:

Development is about expanding the capabilities of the disadvantaged, thereby improving their overall quality of life. Based on this understanding, Maharashtra, one of India’s richest States, is a classic case of a lack of development which is seen in its unacceptably high level of malnutrition among children in the tribal belts. While the State’s per capita income has doubled since 2004, its nutritional status has not made commensurate progress.

Poor nutrition security disproportionately affects the poorest segment of the population. According to NFHS 2015-16, every second tribal child suffers from growth restricting malnutrition due to chronic hunger. In 2005, child malnutrition claimed as many as 718 lives in Maharashtra’s Palghar district alone. Even after a decade of double digit economic growth (2004-05 to 2014-15), Palghar’s malnutrition status has barely improved.

In September 2016, the National Human Rights Commission issued notice to the Maharashtra government over reports of 600 children dying due to malnutrition in Palghar. The government responded, promising to properly implement schemes such as Jaccha Baccha and Integrated Child Development Services to check malnutrition. Our independent survey conducted in Vikramgad block of the district last year found that 57%, 21% and 53% of children in this block were stunted, wasted and underweight, respectively; 27% were severely stunted. Our data challenges what Maharashtra’s Women and Child Development Minister said in the Legislative Council in March — that “malnutrition in Palghar had come down in the past few months, owing to various interventions made by the government.”

Stunting is caused by an insufficient intake of macro- and micro-nutrients. It is generally accepted that recovery from growth retardation after two years is only possible if the affected child is put on a diet that is adequate in nutrient requirements. A critical aspect of nutrient adequacy is diet diversity, calculated by different groupings of foods consumed with the reference period ranging from one to 15 days. We calculated a 24-hour dietary diversity score by counting the number of food groups the child received in the last 24 hours. The eight food groups include: cereals, roots and tubers; legumes and nuts; dairy products; flesh foods; eggs; fish; dark green leafy vegetables; and other fruits and vegetables.

In most households it was rice and dal which was cooked most often and eaten thrice a day. These were even served at teatime to the children if they felt hungry. There was no milk, milk product or fruit in their daily diets. Even the adults drank black tea as milk was unaffordable. Only 17% of the children achieved a minimum level of diet diversity — they received four or more of the eight food groups. This low dietary diversity is a proxy indicator for the household’s food security too as the children ate the same food cooked for adult members.

Q. Which of the following strengthen the claim that the nutrition indicators fare poorly in India?
I. Stunting declined from 46.3% in 2005 to 34.4% in 2016.
II. As per an NHFS survey, wasting rates have increased from 16.5% to 25.6% over a period of 10 years.
III. The underweight rate (36%) has remained static in the last 10 years.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 21

Statement I is positive and weakens the claim.
Statements II and III are negative and show the poor state of nutrition in India.
Hence, option D is correct.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 22

It is a political organisation that subscribes to a particular ideology and seeks to attain political power

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 22

Political party: A political organization that subscribes to a certain ideology and seeks to attain political power through representation in government.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 23

Who was the Viceroy of India when the Rowlatt Act was passed?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 23

Lord Chelmsford was the Viceroy of India when the Rowlatt Act was passed.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 24

Find the 4-digit smallest number which when divided by 12, 15, 25, 30 leaves no remainder?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 24

LCM of 12, 15, 25 and 30 is 300
least number of 4-digit divided by 300 is 1200

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 25

Who was the first Indian batsman to hit a century on Test debut against England at England's home?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 25
He had scored 12,367 runs in 235 matches in First Class Cricket with his highest being 224 not out.
Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 26

Light year is the unit of -

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 26

A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. 

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 27

In human body, Vitamin A is stored in the

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 27

Fat-soluble vitamins are stored in the body in organs such as the liver. Most of the vitamin A that we consume goes to the liver to be stored until it is needed by another part of the body.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 28

The Thar Express goes to –

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 28

Thar Express is an international train that con-nects Karachi, Pakistan to Bhagat Ki Kothi, India. Six kilometres apart, Munabao and Khokhrapar are the two last railway stations of the India-Pakistan border. Jamrao, Mirpur Khas, Shadi Pali, Saeendad. Barmer, Pithoro, Dhoro Naro, and Chhore are some of the stations. Bhagat in Kothi is a train station 5km from Jodhpur Railway Station.

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 29

A cylindrical vessel of diameter 14 cm and height 42 cm is fixed symmetrically inside a similar vessel of diameter 16 cm and height 42 cm. If the total space between the two vessels is filled with cork dust for heat insulation purposes, then how many cubic centimetres of cork dust will be required?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 29

 Height of the cylinders = 42 cm
Radius of the outer cylinder = r1 = 16/2 = 8 cm
Radius of the inner cylinder = r2 = 14/2 = 7 cm
Therefore, volume of the cork dust required = Volume of the outer cylinder – Volume of the inner cylinder

= 1980 cm3

Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 30

Which city hosted the 67th TAAI Convention?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 4 - Question 30

The 67th Travel Agents Association of India (TAAI) Convention was hosted in Colombo. The convention brought together industry leaders and travel professionals from India and Sri Lanka to exchange knowledge and explore new partnerships in the travel industry.

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