Indian Navy SSR Mock Test - 1 - Airforce X Y / Indian Navy SSR MCQ

The correct answer is "Both the positive and negative impact of measures on key aspects of the environment".
Key Points

• Let's have a look at the last line of the second paragraph:
  • "This is the world’s first budget to document both the positive and negative impact of measures on key aspects of the environment."
• ​After a complete analysis of the above statement, it can be concluded that the "green budget" is the world's first budget to showcase both the positive and negative impact of measures on key aspects of the environment.
• Therefore, "Both the positive and negative impact of measures on key aspects of the environment" is the correct option here.

​​Important Points

• Let us see the meaning of "Aspects":
  • Aspects: particular parts or features of something.
• Let us frame a sentence with the word "Aspects":
  • Personal effectiveness in all aspects of life is very important.

The correct answer is "The best way to prepare for tomorrow is doing your best for today".
Key Points

• Let's have a look at the first line of the first paragraph:
  • "It has been said that the best preparation for tomorrow is doing your best for today."
• ​After a complete analysis of the above statement, it can be concluded that according to the passage, the best way to prepare for tomorrow is doing your best for today.
• Therefore, "The best way to prepare for tomorrow is doing your best for today" is the correct option here.

​​Important Points

• Let us see the meaning of "Today" and "Tomorrow":
  • Today: this present day.
  • Tomorrow: the day after today.
• Let us frame a sentence with the words "Today" and "Tomorrow":
  • Today is your rest day so please take care of yourself.
  • Tomorrow is going to be a special day.

The correct answer is "Submitted".
Key Points

• Let us look at the meaning of the word "Tabled":
  • Tabled: presented formally for discussion or consideration at a meeting.
• Let us look at the sentence with "Tabled":
  • More than 200 amendments to the bill have already been tabled.
• Hence, the meaning of the given word "Tabled" is similar to "Submitted" which means accepted or yielded to a superior force or to the authority or will of another person.

​Important Points

• Let us look at the meanings of other words in the options:
  

Here, the erroneous part is 'more angry.'

Key Points

• The error lies in the part "more angry" of the sentence.
• The presence of the word 'than' after the blank shows that there must be a comparative degree of the word 'angry.'
• Now, 'angry' is an adjective that has two syllables.
• "‐y" is changed to "‐i".
• We usually add –er to two-syllable words to make a comparative degree.
• The comparative degree of 'angry' is 'angrier.'
• Therefore, the correct answer is Option 3.
  ​

Correct sentence: Subha looked angrier than ever she had seen him before.

The correct answer is 'd'.

Key Points

• In this sentence, all the underlined parts are grammatically correct and there is no error. The sentence means that it is not considered appropriate to talk in a proud or arrogant way about one's own success.
• Let's look at each of the underlined parts:
• (a) "One must not" is a modal verb construction that expresses a prohibition or a rule. It is followed by the base form of the verb, which in this case is "boast". This means that the sentence is stating that it is prohibited to boast.
• (b) "Boast of" is a phrasal verb that means to speak with excessive pride or satisfaction about one's own achievements, possessions, or abilities. The preposition "of" is used after the verb "boast" to indicate what the person is boasting about.
• (c) "One's own success" means one's own achievements or accomplishments. In this context, it refers to the things that a person has accomplished that they might be tempted to boast about.
• In summary, this sentence is error-free.

The correct answer is 'neither'

Key Points

• According to grammar, 'We use neither to refer to each of two things or people when you are making a negative statement that includes both of them.'
• Let's see an example-
  • They both smiled; neither seemed likely to be aware of my absence for long

So the correct sentence is- You can't use those screwdrivers neither of them is suitable for the job.

Additional Information

• The pronoun 'others' is used 'to refer things and people in general (indefinite)
  'Let's see an example-
  • ​Some projects are shorter than others.
• The determiner 'the other' is used with any noun (both for singular and plural nouns. but that noun should be definite)
  'Let's see an example-​
  • I'll read the other sections of the paper later
• The determiner 'some' is used 'to refer to a quantity of something or to a number of people or things when you are not stating the quantity or number precisely.
  Let's see an example-
  • He went to fetch some books.

The correct answer is "won"

Key Points

• The sentence says that despite being shot by the Taliban, Malala Yousafzai stood up for women's education and won the Nobel Prize. The underlined phrasal verb "bore away" means "won".
• So, in this sentence, the phrasal verb "bore away" is used to express the idea of winning the Nobel Prize.
• "The phrasal verb "bore away" is used to express the idea of winning something.
  • Example: "Despite a difficult competition, the athlete bore away the gold medal."

• A substitute for this phrasal verb could be "won", which means the same thing. So, the sentence could read like this: "Despite being shot by the Taliban, Malala Yousafzai stood up for women's education and won the Nobel Prize."

• Thus, the correct answer is "Won".

Correct answer: Won

The correct answer is 'What does Ram want?'

Key Points

• To convert the sentence into active voice, we go through certain steps:
• We identify the subject, verb, and agent in the passive sentence:
  • Subject: What
  • Verb: Is Wanted
  • Agent: Ram
• In the active voice, the agent of the passive sentence becomes the subject, and the subject of the passive sentence becomes the object or is omitted.
  • Agent (Ram) -> Subject
  • Subject (What) -> Object
• "Is wanted" in passive voice changes into "does want" in the active voice. This conversion involves switching to the base form of the main verb "want".
• Rearranging 'what' and changing 'Ram' position accordingly we get "What does Ram want?".
• This transformation brings Ram, the true doer of the action, to the front of the sentence, emphasizing his role, while retaining the original question about what he wants.

Conclusion: Therefore, the correct answer is Option 3: 'What does Ram want?'.

The correct answer is - "Larger animals include turtles, fish, crabs, and sea cows."

Key Points

• From the given options, the most appropriate answer is "Larger animals include turtles, fish, crabs, and sea cows."
• Comma (,) indicates the shortest pause and used to separate words in a series.
  • Eg. They bought some oranges, apples, eggs and bread.
• Turtle, fish, carbs are separate words.
• Full stop (.) represents the longest pause and used to mark the end of a sentence.
  • Eg. I will go to the school.
• We have to put a full stop at the end of the given sentence.
• Thus, Option 4 is correct option.

The correct answer is 'His story was, in many ways, plausible.'

Key Points

• The given sentence is a declarative sentence.
• In this case, we use commas ( , ) after the word "was" and "ways" to isolate the extra information that is not essential to the meaning of the sentence.
• The commas and everything within them could be removed, and still the sentence would make sense both scientifically and grammatically.
  • Example:
  • Mitochondria, which generate ATP, are easily seen after staining with the dye Janus green.
  • Mitochondria are easily seen after staining with the dye Janus green.
• The full stop ( . ) represents the greatest pause and separation and it is used to mark the end of a declarative or an Imperative sentence.
  • Example: Dear, patient, gentle, Nell was dead.
• ​So, we must use a full stop ( . ) at the end of the sentence.
• ​Therefore, the correct answer is Option 2.
  ​

Correct sentence: His story was, in many ways, plausible.

The correct answer is 'There is a bed to lie in'.

Key Points

• The above sentence is in passive voice since it emphasizes the action or object of the sentence.
• The above sentence is a special kind of sentence that is asked in exams and it needs to be learned as it is.
• If the sentence is of the form 'to + verb', then this rule is followed:
  • Active voice: There is a bed to lie in.
  • Passive voice: There is a bed to be lain in.
• The tense remains the same as the passive voice.
• Here, the simple present tense is used.
  

Additional Information​

• Only sentences with the transitive verb can be converted into passive voice and not the ones with an intransitive verb.
• A transitive verb needs an object to complete its meaning. For example: He answered the questions confidently. (subject + verb + object)
• The intransitive verb does not have an object. For example: He answered confidently. (subject + verb)
  

Correct sentence: "There is a bed to lie in".

CONCEPT:

• The carrier wave may be continuous (sinusoidal) or in the form of pulses.
• A sinusoidal carrier wave can be represented as,

⇒ c(t) = Acsin (ωct + ϕ)

Where c(t) = signal strength (voltage or current), Ac = amplitude, ωc = angular frequency and ϕ = initial phase of the carrier wave

• During the process of modulation, any of the three parameters, viz Ac, ωc, and ϕ of the carrier wave can be controlled by the message or information signal.
• This results in three types of modulation:
  • Amplitude modulation (AM)
  • Frequency modulation (FM)
  • Phase modulation (PM)
• Similarly, the significant characteristics of a pulse are pulse amplitude, pulse duration or pulse width, and pulse position (denoting the time of rise or fall of the pulse amplitude).

Hence, different types of pulse modulation are:

• Pulse amplitude modulation (PAM)
• Pulse duration modulation (PDM) or pulse width modulation (PWM)
• Pulse position modulation (PPM)

EXPLANATION:

Mixing up of signals from different transmitters:

• Another important argument against transmitting baseband signals directly is more practical in nature.
• Suppose many people are talking at the same time or many transmitters are transmitting baseband information signals simultaneously.
• All these signals will get mixed up and there is no simple way to distinguish between them.
• This points out a possible solution by using communication at high frequencies and allotting a band of frequencies to each message signal for its transmission.
• The above arguments suggest that there is a need for translating the original low-frequency baseband message or information signal into a high-frequency wave before transmission such that the translated signal continues to possess the information contained in the original signal.
• In doing so, we take the help of a high-frequency signal, known as the carrier wave, and a process known as modulation which attaches information to it.

• We know that the significant characteristics of a pulse are pulse amplitude, pulse duration or pulse width, and pulse position (denoting the time of rise or fall of the pulse amplitude). Hence, option 4 is correct.

The correct answer is option 3) i.e. 

Concept:

Escape velocity is the minimum velocity with which a body is projected from the surface of the planet so as to reach infinity, by overcoming the pull by gravity.
Escape velocity at the surface of a planet is given by:

Where,

G = gravitational constant (6.67 × 10-11 Nm2/kg2), M = mass of the planet and R = radius of the planet.

Acceleration due to gravity g is obtained from balancing the equation of force with the equation of gravitational force.

Where M is the mass of the earth, m is the mass of an object, R is the radius of the earth, and G is the gravitational constant.

On comparing both the equations, we get

Explanation:

Given that:

The correct answer is Adrenaline.

Key Points

• Adrenaline hormone is secreted by the adrenal gland.
• Adrenaline prepares our bodies to face such a type of crisis.
• Adrenaline is secreted in response to the stress of any kind and during emergency situations and is called emergency hormones or hormones of Fight Fright and Flight (Triple F hormone).
• Key actions of adrenaline include:
  • Controlling the heart rate.
  • Increasing blood pressure.
  • Expanding the air passages of the lungs.
  • Enlarging the pupil in the eye.
  • Redistributing blood to the muscles, and altering the body's metabolism, so as to maximize blood glucose levels (primarily for the brain).

Important Points

The correct answer is alkenes.

Key Points

• Alkenes are unsaturated hydrocarbons containing at least one double bond.
• If there is one double bond between two carbon atoms in alkenes, they must possess two hydrogen atoms less than alkanes.
  • General formula for alkenes is C_nH_2n.
  • Hence, C4H8 belongs to the homologous series of Alkenes.
• Alkenes are also known as olefins (oil forming) since the first member, ethylene or ethene (C₂H₄) was found to form an oily liquid on reaction with chlorine.

Important Points

• Alkanes are saturated open-chain hydrocarbons containing carbon-carbon single bonds.
  • Methane (CH₄) is the first member of this family.
  • Methane is a gas found in coal mines and marshy places.
  • The general formula for alkanes is C_nH_2n+2.
• _​Like alkenes, alkynes are also unsaturated hydrocarbons.
  • They contain at least one triple bond between two carbon atoms.
  • The number of hydrogen atoms is still less in alkynes as compared to alkenes or alkanes.
  • Their general formula is C_nH_2n–2.

Mistake Points

The question had 2 correct answers i.e. alkenes and cycloalkanes. Hence we have updated option 4.

• C4H8 also belongs to the homologous series of cycloalkanes having the general formula CnH2n.
  • ​It is the chemical formula of Cyclobutane.
  • 

The correct option is A.
sodium is located in group 1, which means that it has 1
valence electron. This valence electron is located in sodium's third energy shell

CONCEPT:

• Elastomers: The substances that can be stretched to cause large strains are called elastomers.
  • Examples are the tissue of the aorta, rubber, etc.
• These materials do not obey Hooke’s law over most of the region.
• A typical stress-strain graph of an elastomer is given below:

Here we can clearly see that curve is not linear. To follow Hooke's law it is necessary that the curve should be in straight line.

EXPLANATION:

• Option 1: Plastic materials are the materials which when deformed does not return to their original state or show permanent deformation.
• Option 2: Elastic materials are the material which after deformation can regain their original shape and size.
• Option 3: The materials that can be stretched to cause large strains are called elastomers.
• So the correct answer is option 3.

CONCEPT:

Lens Maker's Formula:

• If R1 and R2 are the radii of curvature of first and second refracting surfaces of a thin lens of focal length f and refractive index of the lens as μl and for the medium as μm then the relation between f, μm, μl, R1 and R2 are known as lens maker’s formula.
• The lens makers formula is given by

Note that in the above formula we have to put the values of radius of curvature with the proper sign convention.

EXPLANATION:

For the convex lens in air medium: μ_Air =1 and μ_Lens > 1

• Here the incident ray is refracted with the first convex surface of radius of curvature as R₁. The distance R1 from the optical point will be measured in the direction of the incident ray so it is will be taken as positive.
• Here the incident ray is refracted with the second convex surface of radius of curvature as R₂. The distance R2 from the optical point will be measured in the opposite direction of the incident ray so it is will be taken as negative.

⇒ R₁ > 0, R₂ < 0 and and

• From the lens maker formula, it can be concluded that the focal length of a convex lens in the air will always be positive. So, statement 2 is correct.

For the convex lens in any medium: ​

• Depending upon the medium, It may possible that μlμAir<1 or >1 so, focal length can be positive or negative. So, statement 1 is incorrect and statement 3 is correct.​

For the convex lens in air medium: μAir =1 and μLens > 1​

• Here the incident ray is refracted with the first concave surface of radius of curvature as R1. The distance R1 from the optical point will be measured in the opposite direction of the incident ray so it is will be taken as negative.
• The distance R2 from the optical point will be measured in the direction of the incident ray so it is will be taken as positive.

​​⇒ R1 < 0, R2 > 0

The focal length of the concave lens will always be negative in air. So, statement 4 is correct.

So, the correct answer is option 3.

Concept:

Let  and  be the two vectors and the vector  perpendicular to both  and

Hence

Calculation:

Let vector  is perpendicular to both the vectors 2î + 3 ĵ and ĵ + 3k̂

Let  = 2î + 3ĵ and  = ĵ + 3k̂

Therefore,

= (2î + 3ĵ) × (ĵ + 3k̂)

= 2(î × ĵ) + 6(î × k̂) + 3(ĵ × ĵ) + 9(ĵ × k̂)

= 2k̂ - 6ĵ + 0 + 9î

= 9î - 6ĵ + 2k̂

Explanation:

Let, θ = tan^-1 x

⇒  = x

⇒ sin θ = x cos θ

⇒ sin θ =

⇒ sin θ =

⇒ sin θ =  --- [ Since x = tan θ ]

Now, sin (tan^-1 x) = sin θ

⇒ sin (tan^-1 x) =

The correct answer is option (4).

Given:

(1 + tan2θ)(1 − sinθ)(1 + sinθ)

Concept used:

(a² - b²) = (a + b)(a - b)

cosθ = 1/secθ

Calculation:

(1 + tan2θ)(1 − sinθ)(1 + sinθ)

⇒ (1 + tan2θ)(1 − sin²θ)

⇒ (sec2θ)(cos2θ)

⇒ sec2θ × 1/sec2θ

⇒ 1

∴ The required answer is 1.

We Have,

⇒ a = b = c .... (1)

And,

 .... (2)

Using the concept of, Parallelogram Law of Vector Addition: It is used to add two vector quantities.

R2 = A2 + B2 +2AB cos θ

From equation (2),

c2 = a2 + b2 +2ab cos θ

Since,

a = b = c

Hence,

a² = a² + a² +2a² cos θ

or, a2 = a2 (1 + 1 +2cos θ)

or, 1 = 2 + 2 cos θ

or, 2 cos θ = -1

or, cos θ = (-0.5)

Out of the given figures, Option (2) fits the black accurately.

Hence, the correct answer is "Option (2)".

According to the English alphabets and their positional values:

The pattern followed in the given codes is:
Sum of positional values of each alphabet in the word = Code


Similarly,

Hence, the correct answer is "option (4)".

The Correct Answer is Biparjoy.Key Points

• A deep depression over the southeast Arabian Sea intensified into a cyclonic storm 'Biparjoy'.
• The cyclone was named ‘Biparjoy’ by Bangladesh. The word essentially means ‘disaster’ or ‘calamity’.
• This name was adopted by World Meteorological Organisation (WMO) countries in 2020 and it also includes all the tropical cyclones that form over the North Indian Ocean, including the Arabian Sea and the Bay of Bengal.
• The system of naming cyclones has been formed by WMO and member countries of the United Nations Economic and Social Commission (ESCAP).
• According to this system, the names of tropical cyclones forming in the Northern Indian Ocean are listed alphabetically by country and are gender-neutral.
• Cyclone Biparjoy is the second cyclone to form in the North Indian Ocean in the last few weeks.
• Last month, Cyclone Mocha formed in the Bay of Bengal and hit the coastlines of Bangladesh and Myanmar.
• Cyclone Tauktae was a powerful tropical cyclone that struck India in May 2021.
  • It was the strongest cyclone to hit India since 1998.
• Cyclone Nisarga was a severe cyclonic storm that hit India in June 2020.
• Cyclone Amphan was a super cyclonic storm that hit India and Bangladesh in May 2020.

Additional Information

• World Meteorological Organization (WMO):
  • The World Meteorological Organization (WMO) is a United Nations specialized agency that promotes international cooperation in the fields of atmospheric science, climatology, hydrology, and geophysics.
  • Founded On: 23 March 1950.
  • Headquarters: Geneva, Switzerland
  • Head President: Gerhard Adrian(Germany)

The Correct Answer is Minimum Support Price. Key Points

Minimum Support Price

• Minimum Support Price (MSP) is a form of market intervention by the Government of India to insure agricultural producers against any sharp fall in farm prices.
• The minimum support prices are announced by the Government of India at the beginning of the sowing season for certain crops.
• The Cabinet Committee on Economic Affairs, chaired by Prime Minister approves the Minimum Support Price (MSP) based on recommendations of the Commission for Agricultural Costs and Prices (CACP).

Additional Information

• As of now, CACP recommends MSPs of 23 commodities, which comprise-
  • 7 cereals (paddy, wheat, maize, sorghum, pearl millet, barley and ragi)
  • 5 pulses (gram, tur, moong, urad, lentil)
  • 7 oilseeds (groundnut, rapeseed-mustard, soyabean, seasmum, sunflower, safflower, nigerseed)
  • 4 commercial crops (copra, sugarcane, cotton and raw jute)
• CACP submits its recommendations to the government in the form of Price Policy Reports every year, separately for five groups of commodities namely Kharif crops, Rabi crops, Sugarcane, Raw Jute and Copra.

The correct answer is M K Gandhi.

Key Points

• The All India Harijan Sevak Sangh is an independent national-level non-profit voluntary Organisation with Branches in 26 States.
• It was founded in September 1932 in the wake of Gandhiji's Epic Fast at Yervada Jail, Pune, resulting in the historic Poona Pact.
• The immediate historical background dates back to the Second Round Table Conference in London in 1931 when Gandhi Ji opposed the segregation of the depressed classes of the Hindu community into a separate electoral group.
• Gandhi Ji saw in it a sinister device of the British government to create a split in the Hindu community in furtherance of its policy of divide and rule.
• The Sangh was established to combat untouchability and a new weekly paper, the Harijan, was started.
• Harijan means children of God, it was Gandhi Ji's name for the untouchables.

Additional Information

The logic followed here is:

Given 9 + 7 = 58 and 3 + 11 = 124

Logic, 9 + 7 = 58

9 + 7 → 9 + 7² → 9 + 49 = 58

And 3 + 11 = 124

3 + 11 → 3 + 11² → 3 + 121 = 124

Similarly, 13 + 5

13 + 5 → 13 + 5² → 13 + 25 = 38

Therefore, 13 + 5 is equal to 38.

Hence, "Option (1)" is the correct answer.

The correct answer is Ambubachi Mela.

Key Points

• The Ambubachi Mela:-
  • It is also known as Ambubasi festival or Ameti festival, is an annual religious festival celebrated in the Kamakhya Temple in Guwahati, Assam, India.
  • It is one of the most important festivals in the state of Assam and attracts thousands of devotees from various parts of the country.
  • The festival is centered around the Kamakhya Devi Temple, which is dedicated to the Hindu goddess Kamakhya.
  • According to Hindu mythology, during the festival, the goddess Kamakhya is believed to undergo her annual menstrual cycle.
  • The temple remains closed for three days during this period as it is considered to be an impure time.
• Goddess Kamakhya:-
  • It is a prominent deity in Hindu mythology, particularly in the Shakta tradition.
  • She is revered as a powerful and fertility goddess, often associated with feminine energy and the creative force of the universe.
  • Kamakhya is primarily worshipped in the Kamakhya Temple, located on the Nilachal Hill in Guwahati, Assam, India.

Additional Information

• Moatsu:-
  • ​It is a significant festival celebrated by the Ao Naga tribe in the northeastern state of Nagaland, India.
  • It is observed in the month of May every year, specifically from the 1st to the 7th of the month.
• Chapchar Kut:-
  • It is a harvest festival celebrated by the Mizos, an ethnic group predominantly found in the northeastern state of Mizoram, India, as well as in parts of Myanmar and Bangladesh.
  • It is one of the most important festivals for the Mizo people and is usually held in March after the completion of the jhum (shifting cultivation) cycle.
• Wangala:-
  • ​Wangala is a harvest festival celebrated by the Garo tribe, which is one of the major indigenous communities in the northeastern region of India, particularly in the states of Meghalaya, Assam, and parts of Bangladesh.
  • The festival is also known as Wangala or Drua Wanbola and is considered one of the most significant cultural events for the Garo people.

The correct answer is 1944.

• Subhash Chandra Bose was the first person to address 'Mahatma Gandhi as the Father of the Nation'.

Key Points:

• On July 6, 1944, Subhash Chandra Bose said in a telecast of Azad Hind Radio to Mahatma Gandhi that “the last war of independence of India has begun.
• We want blessings of you in this holy war of liberation of the Father of the Nation.” And wish you all the best.
• Thus, for the first time, the word 'Father of the Nation' was used by Subhash Chandra Bose.

Subhash Chandra Bose

• He founded the Independence for India League with Jawaharlal Nehru.
• He was the first person to address Mahatma Gandhi as the 'Father of the Nation'.
• He was elected as the President of INC at its Haripura Session (1938) and Tripuri Session (1939) but resigned from Tripuri due to differences with Mahatma Gandhi.
• He took the charge of Indian Army (Azad Hind Fauj) in 1943 in Singapore and set up an Indian Provisional government there.
• Subhash Chandra Bose was the one who addressed Mahatma Gandhi as the Father of the Nation.
• He gave the famous slogans- Dilli Chalo and Jai Hind.
• The India Struggle was his autobiography.

Additional Information

• Sardar Vallabh Bhai Patel was given the title of Sardar by the women of Bardoli during the Bardoli Satyagarh.
• Jawaharlal Nehru was called also called Pandit Nehru due to his roots with the Kashmiri Pandit community.
• Lala Lajpat Rai was given the title of 'Punjab Kesari'.