Staff Selection Commission Combined Graduate Level Exam
Question : In India, the irrigation of agricultural land is carried out maximum by
Option 1: Canals
Option 2: Wells
Option 3: Tubewells
Option 4: Tanks
Correct Answer: Wells
Solution : The correct option is wells.
In India, irrigation of agricultural land is done to a significant extent by the use of wells. Wells give access to groundwater, which is an important water resource for irrigation, especially in locations where surface water supplies are scarce or
Question : The venue of the 2020 Olympic Games was _________.
Option 1: Sydney
Option 2: Rio
Option 3: Tokyo
Option 4: Los Angeles
Correct Answer: Tokyo
Solution : The correct answer is Tokyo.
The 2020 Summer Olympics, also known as the 32nd Olympiad, were initially scheduled to be held in Tokyo, Japan. However, due to the COVID-19 pandemic, the games were postponed and rescheduled to take place from July 23 to
Question : What is the suffix for the -OH group according to IUPAC?
Option 1: -ols
Option 2: -ene
Option 3: -one
Option 4: -anes
Correct Answer: -ols
Solution : The correct option is -ols.
The suffix for the -OH group (hydroxyl group), according to IUPAC nomenclature, is -ol. This suffix is used to name organic compounds that contain a hydroxyl group as part of their functional group. For example, ethanol is an organic
Question : Select the correct idiom to replace the underlined segment in the given sentence. Harry always speaks his eye but he is not always very diplomatic!
Option 1: speaks his tongue
Option 2: reads his heart
Option 3: speaks his mind
Option 4: listens his ear
Correct Answer: speaks his mind
Solution : The third option is the correct answer.
The phrases speaks his eye, speaks his tongue, reads his heart, and listens his ear don't form standard expressions or idiomatic phrases in the English language. However, he speaks his mind means he
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
The results of the survey were fairly disappointing.
(1) of the survey were
(2) The results
(3) fairly disappointing.
(4) No Error
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third option.
The word fairly is typically used with pleasant adjectives to indicate a moderate degree of something positive. Rather also means moderately.
Fairly is used for favourable circumstances, whereas rather is used for unfavourable circumstances. In the context
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. His writings are ___ mistakes.
Option 1: brooded with
Option 2: burst into
Option 3: replete with
Option 4: boasted of
Correct Answer: replete with
Explanation:-
Replete with: It means abundantly filled with a complete supply of something. It is the correct idiomatic expression.
Therefore, the complete sentence is: "His writings are replete with mistakes."
Question : The increased incidence of floods in recent times in North India is due to
Option 1: Increase in the annaul rainfall
Option 2: Increase in the silting of dams.
Option 3: increased deforestation in the catchment area
Option 4: None of these
Correct Answer: increased deforestation in the catchment area
Solution : The correct option is increased deforestation in the catchment area.
Deforestation in catchment regions can increase flooding in North India by reducing plant cover, promoting soil erosion, and altering natural water flow patterns, increasing the danger of flooding. Trees and
Question : If one root of the equation $Ax^{2}+Bx+C=0$ is two and a half times the others, then which of the following is true?
Option 1: $7B^{2}=3CA$
Option 2: $7B^{2}=4CA$
Option 3: $7B^{2}=36CA$
Option 4: $10B^{2}=49CA$
Correct Answer: $10B^{2}=49CA$
Solution : $Ax^{2} + Bx + C = 0$ Let one root be $p$ and then the other root will be $2.5p$. $⇒ p+2.5p=-\frac{B}{A}$ (sum of the roots) $⇒ 3.5p=-\frac{B}{A}$......(i) Also, $p\times2.5p=\frac{C}{A}$ (product of the roots) $⇒ 2.5p^{2}=\frac{C}{A}$........(ii) From equation (i) and (ii) $\frac{2.5 \times B^{2}}{(3.5\times3.5\times A^{2})}
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. He is weak ________ he does a lot of work.
Option 1: and
Option 2: yet
Option 3: because
Option 4: so
Correct Answer: yet
Solution : The second option is the correct answer.
"And" is used to join words, phrases, or clauses together.
"Yet" indicates contrast, something that is unexpected or still to happen.
"Because" provides a reason or explanation for something.
"So" is often used to indicate a consequence or
Question : Direction: In each of the following questions, some equations are solved based on a certain system. Find out the correct answer for the unsolved equation on that basis.
3 × 5 × 7 × 2 = 24, 2 × 4 × 6 × 8 = 22, 4 × 4 × 8 × 9 = ?
Option 1: 33
Option 2: 25
Option 3: 144
Option 4: 1152
Correct Answer: 33
Solution : Given:
3 × 5 × 7 × 2 = 24 ⇒ 3 × 5 + 7 + 2 = 24
2 × 4 × 6 × 8 = 22 ⇒ 2 × 4 + 6 + 8 = 22
Similarly, 4 × 4 × 8
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