Staff Selection Commission Sub Inspector Exam
Question : Which of the following public sector enterprises falls under the status ‘Maharatna’?
Option 1: Bharat Sanchar Nigam Limited
Option 2: Hindustan Aeronautics Limited
Option 3: Steel Authority of India Limited
Option 4: Mahanagar Telephone Nigam Limited
Correct Answer: Steel Authority of India Limited
Solution : The correct answer is Steel Authority of India Limited.
The Steel Authority of India Limited (SAIL) is one of the largest state-owned steel-making Maharatna companies in India. It was established in 1973 and is headquartered in New Delhi. SAIL produces a
Question : Which Lok Sabha speaker has authored the book 'Matoshree'?
Option 1: Sumitra Mahajan
Option 2: Meira Kumar
Option 3: Somnath Chatterjee
Option 4: Manohar Joshi
Correct Answer: Sumitra Mahajan
Solution : The correct option is Sumitra Mahajan.
The author of the book Matoshree is Sumitra Mahajan. The life and times of the legendary Devi Ahilyabai Holkar, who ruled the Holkar Empire over the Malwa area from 1767 to 1795, are chronicled in the book Matoshree.
Question : Comprehension:
Read the following passage and answer the questions given after it.
The excitement of bird watchers on spotting a particular species for the very first time is unparalleled. With eyes shining and pride bursting, they exclaim, “I had a life today”, or “It was a lifer for me”. For the longest time, I couldn’t fathom what all the fuss was about. I mean, at some point in their lives, even a crow or mynah would have been a lifer — seen for the very first time. So, here, I’ve done a bit of jugaad with the term and defined it as a bird that you see maybe (but not necessarily) for the first time, but which has made a lasting, life-changing impact on you. Then I recalled some of my own “lifers”.
Number 1 is the little coppersmith barbet. The first bird I saw through brand new, big and powerful binoculars — and it was solely responsible for my getting interested in birds. The fellow looked like a tubby little clown with hiccups and that just blew me away.
I will never forget the first time I saw grey hornbills aeons ago: over sullen grey skies in the Borivali National Park (now called Sanjay Gandhi National Park) — squealing as they flew high up across the sky. They looked as if they had just left Jurassic Park. Or, for that matter, their larger, more glamorous, cousins — Great pied hornbills. Tramping through a streambed in Kalagarh (near Corbett), we suddenly heard this rasping, whooshing, sound. Up there, in the clear blue, were six-seven huge black-and-white birds with colossal yellow beaks flying in tandem across the clear blue sky, their wings making a rasping sound.
Say “paradise flycatcher” and a birder’s eyes will begin to glint: “Where? When? Will it be there now?” are questions that will be shot out like machine-gun bullets. The first time I saw a full-grown milk-white-and-glossy-black male, with its glamorous 18-inch streamer tail, was at the Sultanpur National Park in Haryana. But I remember better the flycatchers, that made me run around in a tea garden in Palampur, teasingly whistling at me from one end to the other. The nesting pair in Naukuchiatal was more accommodating except that I had to stand kneedeep in the hotel’s garbage dump to get a good view of them flitting to and fro the gully nearby. To compensate, one actually flew nearly down to my feet to snatch up a blue bottle I had missed.
Of course, there have been rarities: the highlight of the regular Bharatpur (the Keoladeo National Park) visits was the darshan of VIP Siberian cranes. Then they stopped coming, which was the first indication of their slow extinction — even if it was just “local” to our area. The gloriously uppity Great Indian bustards in the Karera Sanctuary (Madhya Pradesh) were another unforgettable sighting. The sheer disdain with which they flounced away from our howling, jolting jeep and took to their wings was a lesson in being put in your place. Now, not only does the sanctuary not exist anymore but those magnificent muscular birds are crashing to total extinction.
Question: Which bird is black and white with a huge yellow beak?
Option 1: Siberian crane
Option 2: Paradise flycatcher
Option 3: Grey hornbill
Option 4: Great pied hornbill
Correct Answer: Great pied hornbill
Solution : The correct choice is the fourth option.
As stated in the third paragraph of the passage, the great pied hornbills, are black-and-white birds with colossal yellow beaks, and their wings make a rasping sound.
Question : A concave lens forms an image which is:
Option 1: real and erect
Option 2: virtual and erect
Option 3: real and inverted
Option 4: virtual and inverted
Correct Answer: virtual and erect
Solution : The correct option is virtual and erect.
A concave lens produces a virtual, upright, and diminished image. This is because the rays of light diverge after passing through the lens. When extended backwards, these divergent rays seem to meet at a point
Question : Which membrane-bound cell organelle consisting of a small sac-like structure surrounded by a single membrane serves as the cell's digestive system, allowing material taken from outside the cell to degrade and digest obsolete components of the cell?
Option 1: Lysosome
Option 2: Peroxisome
Option 3: Glyoxysome
Option 4: Polysome
Correct Answer: Lysosome
Solution : The correct answer is Lysosome.
The Lysosome is a membrane-bound cell organelle consisting of a small sac-like structure surrounded by single membranes that serve as the cell's digestive system, allowing material taken from outside the cell to degrade and digest obsolete components of the cell.
Question : With which of the following sports are the teams ‘Chennai Superstarz’, ‘Awadhe Warriors’, and ‘Mumbai Rockets’ associated?
Option 1: Kabadi
Option 2: Badminton
Option 3: Football
Option 4: Hockey
Correct Answer: Badminton
Solution : The correct option is Badminton
The teams 'Chennai Superstarz,' 'Awadhe Warriors,' and 'Mumbai Rockets' are associated with the sport of badminton. They are part of the Premier Badminton League (PBL), which is a professional badminton league in India. The PBL takes place annually and provides
Question : Directions: In the following question, select the odd one from the given alternatives.
Option 1: CX
Option 2: HS
Option 3: BY
Option 4: JP
Correct Answer: JP
Solution : Let's check the options – First option: CX; C → 3, X → 24, C + X = 27 Second option: HS; H → 8, S → 19, H + S = 27 Third option: BY; B → 2, Y → 25, B + Y
Question : Who among the following founded the ‘Asiatic Society of Bengal’ in 1784?
Option 1: Sir William Jones
Option 2: Raja Ram Mohan Roy
Option 3: Dwarkanath Tagore
Option 4: Henry Louis Vivian Derozio
Correct Answer: Sir William Jones
Solution : The correct answer is Sir William Jones.
The Asiatic Society of Bengal was founded by Sir William Jones in 1784. Sir William Jones was a British philologist, orientalist and jurist who played a significant role in the early development of the study
Question : Simplify. $\frac{\sin8\theta \cos\theta - \sin6\theta \cos3\theta}{\cos2\theta \cos\theta - \sin3\theta \sin4\theta}$
Option 1: $\cot \theta$
Option 2: $\cot 2 \theta$
Option 3: $\tan \theta$
Option 4: $\tan 2 \theta$
Correct Answer: $\tan 2 \theta$
Solution : Given: $\frac{\sin8\theta \cos\theta - \sin6\theta \cos3\theta}{\cos2\theta \cos\theta - \sin3\theta \sin4\theta}$ = $\frac{2\sin8\theta \cos\theta - 2\sin6\theta \cos3\theta}{2\cos2\theta \cos\theta - 2\sin3\theta \sin4\theta}$ = $\frac{\sin(8\theta+\theta)+\sin(8\theta-\theta)-\sin(6\theta+3\theta)-\sin(6\theta-3\theta)}{\cos(2\theta+\theta)+\cos(2\theta-\theta)-\cos(3\theta-4\theta)+\cos(3\theta+4\theta)}$ = $\frac{\sin9\theta + \sin7\theta - \sin9\theta - \sin3\theta}{\cos3\theta + \cos\theta - \cos(-\theta)+cos7\theta}$ = $\frac{\sin7\theta-\sin3\theta}{\cos3\theta + \cos\theta - \cos\theta+cos7\theta}$ = $\frac{\sin7\theta-\sin3\theta}{\cos7\theta+cos3\theta}$ =
Question : Directions: Given below are two statements and two conclusions. Take the statements to be true even if they are at variance with commonly known facts, and decide whether the conclusion(s) follow(s) the given statements. Statements: Some cakes are biscuits. Some biscuits are chocolates. Conclusions: I. Some biscuits are cakes. II. Some cakes are chocolates.
Option 1: Both the conclusions follow
Option 2: Only conclusion II follows
Option 3: Neither conclusion I nor II follows
Option 4: Only conclusion I follows
Correct Answer: Only conclusion I follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyze the conclusions – Conclusion I: Some biscuits are cakes – From the Venn diagram, it is evident that the circles representing biscuits and cakes overlap and have
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