Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
Hardly had I finished cooking dinner (before) Rajesh arrived.
(1) when
(2) then
(3) while
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The sentence can be improved using the first option i.e. "when".
'Before' should be replaced with 'when' to convey the meaning that Rajesh arrived as soon as the speaker had finished cooking. The other options, 'then' and 'while' are not the appropriate conjunctions
to be
Question : Directions: In the following question, the given sentence has four parts marked P, Q, R, and S. Choose the part of the sentence with the error and select it as your answer. If there is no error, select 'No Error (S)' as your answer.
(P) This laboratory of physicists is (Q) not only equipped with (R) all state-of-the art instruments but also with outstanding physicists. (S) No Error
Correct Answer: 2
Solution : The correct choice is the second option.
"Not only" needs to be followed by a parallel expression to maintain proper grammatical structure. Here, the verb equipped should be followed by "not only" to maintain parallelism with the corresponding conjunctions, "but also".
Therefore, the correct
Question : The resources that are obtained from the biosphere and have life are:
Option 1: potential resources
Option 2: biotic resources
Option 3: abiotic resources
Option 4: renewable resources
Correct Answer: biotic resources
Solution : The answer is biotic resources.
Biotic resources are the living components of an ecosystem. They include plants, trees, microorganisms, animals, fungi, etc. Abiotic resources are non-living components of an ecosystem, such as gases, humidity, temperature, water, etc.
Question : Directions: Two different positions of the same dice are shown, the six faces of which are numbered from 1 to 6. Select the number that will be on the face opposite to the face showing 3.
Option 1: 4
Option 3: 5
Option 4: 1
Correct Answer: 4
Solution : Taking dice positions 1 and 2 with 4 as the common face.
Moving clockwise from the common face with 4 –
So, the opposite pairs are –
Therefore, the opposite face of the 3 is 4. Hence, the first option is correct.
Question : Directions: Seven people, A, B, C, D, E, F, and G are sitting in a straight row facing the north. Only two people sit to the left of C. Only two people sit between A and B. B sits to the left of A. E is an immediate neighbour of A to the right. Only one person sits to the right of D. F is not an immediate neighbour of B. Who sits at the centre?
Option 1: C
Option 2: E
Option 3: D
Option 4: A
Correct Answer: A
Solution : Given: Only two people sit to the left of C. Only two people sit between A and B. B sits to the left of A. E is an immediate neighbour of A to the right. Only one person sits to the right of D. F
Question : The given pie chart shows the percentage distribution of 450 employees in an organisation. Read the pie chart and answer the question that follows.
What is the central angle of the sector representing the number of employees in department E?
Option 1: $36^\circ$
Option 2: $108^\circ$
Option 3: $72^\circ$
Option 4: $90^\circ$
Correct Answer: $72^\circ$
Solution : Number of employees in department E = 20% Central angle = $\frac{\text{percentage of employees in department E}}{100}\times360^\circ$ = $\frac{20}{100}\times360^\circ$ = $72^\circ$ Hence, the correct answer is $72^\circ$.
Question : Directions: In the following question, find the odd number pair from the given alternatives.
Option 1: 52 – 164
Option 2: 60 – 162
Option 3: 44 – 146
Option 4: 112 – 214
Correct Answer: 52 – 164
Solution : Let's check the options – First option: 52 – 164; 164 – 52 = 112 Second option: 60 – 162; 162 – 60 = 102 Third option: 44 – 146; 146 – 44 =102 Fourth option: 112 – 214; 214 – 112 =
Question : The ozone hole that has been detected lies in the atmosphere above
Option 1: Arctic Ocean
Option 2: Antarctica
Option 3: India
Option 4: Alaska
Correct Answer: Antarctica
Solution : The correct option is Antarctica.
The ozone hole is a region in the Earth's stratosphere where the concentration of ozone (O3) is significantly reduced. This thinning of the ozone layer primarily occurs over Antarctica and is most prominent during the Southern Hemisphere's
Question : Which of the following traditional dances is not a martial art form?
Option 1: Chhau
Option 2: Bhavai
Option 3: Kalaripayattu
Option 4: Lazim
Correct Answer: Bhavai
Solution : The correct answer is Bhavai.
Bhavai is a traditional folk dance of Rajasthan and Gujarat. It is not a martial art form. Chhau, on the other hand, is a martial, tribal and folk dance that originated in Northeastern India. Kalaripayattu is an Indian martial
Question : In 1957, who redefined a model that predicted the shape of individual molecules based on the extent of electron-pair electrostatic repulsion?
Option 1: Nyholm and Gillespie
Option 2: Heitler and London
Option 3: Staudinger and Perry
Option 4: Marcet and Pauling
Correct Answer: Nyholm and Gillespie
Solution : The correct answer is Nyholm and Gillespie.
In 1957, two chemists, Ronald Gillespie from Canada and Ronald Nyholm from Australia, came up with the VSEPR (Valence Shell Electron Pair Repulsion) theory. This theory provides a new way to predict the shape of individual
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