Staff Selection Commission Sub Inspector Exam
Question : Which of the following glands secret growth hormone?
Option 1: Adrenal
Option 2: Pituitary Gland
Option 3: Gonads
Option 4: Pancreas
Correct Answer: Pituitary Gland
Solution : The correct option is the Pituitary gland.
The anterior pituitary gland, a pea-sized gland near the base of the brain, produces growth hormone. It is released in response to signals from the hypothalamus, another area of the brain that secretes growth hormone-releasing hormone (GHRH)
Question : Directions: Select the option related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 273 : 21 :: 221 : ? :: 364 : 28
Option 1: 12
Option 2: 20
Option 3: 26
Option 4: 17
Correct Answer: 17
Solution : Given: 273 : 21 :: 221 : ? :: 364 : 28
Divide the first number by 13, to get the second number – Like, 273 : 21→273 ÷ 13 = 21 And, 364 : 28→364 ÷ 13 = 28 Similarly, follow the same pattern
Question : Malic acid is most abundantly found in ________.
Option 1: ginger
Option 2: lemon
Option 3: apple
Option 4: tamarind
Correct Answer: apple
Solution : The correct option is apple.
Malic acid is most abundantly found in apples. This natural organic acid contributes to the sour taste of fruits and is commonly used as a food additive. Apart from apples, malic acid is also present in various other fruits,
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
Prisoners, especially long term convicts (1) / have to suffer most (2) / from emotional starvation. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
The error is in the use of "long-term convict" instead of "life-term convicts". "Life-term convicts" is more appropriate to describe prisoners who are sentenced to life in prison.
Therefore, the correct sentence is: Prisoners, especially life-term convicts
Question : Directions: Two Statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All trees are rocks. All rocks are cups. Conclusions: I. All trees are cups. II. Some cups are trees.
Option 1: Only conclusion I follows
Option 2: Neither conclusion I nor II follows
Option 3: Both conclusions I and II follow
Option 4: Only conclusion II follows
Correct Answer: Both conclusions I and II follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All trees are cups – From the Venn diagram, it is evident that the circle representing trees completely lies inside
Question : Two trains 121 m and 99 m in length, respectively, are running in opposite directions, one at a speed of 40 km/hr and the other at a speed of 32 km/hr. At what time will they be completely clear of each other from the moment they meet?
Option 1: 11 sec
Option 2: 12 sec
Option 3: 13 sec
Option 4: 10 sec
Correct Answer: 11 sec
Solution : When two trains run in opposite directions, their relative speed is the sum of their speeds. The length of the two trains is 121 m and 99 m. The total length = 121 m + 99 m = 220 m The relative speed of
Question : Select the most appropriate synonym of the given word.
Progress
Option 1: Development
Option 2: Diminishment
Option 3: Halt
Option 4: Stagnation
Correct Answer: Development
Explanation: The word "progress" implies positive advancement, improvement, or development. In this context, it signifies movement and growth. "Development" is a suitable synonym as it also conveys the idea of progress, expansion, or the process of becoming
Question : Calculate the mean from the following table.
Option 1: 33.4
Option 2: 32.6
Option 3: 35.8
Option 4: 34.2
Correct Answer: 33.4
Solution : The formula for the mean ($X$) using the method of assumed mean is: $X = A + \frac{\sum fd}{\sum f}$ where $A$ is assumed mean, $f$ is frequency, and $d$ is deviation from mean. The assumed mean ($A$) is usually taken as the midpoint of
Question : Which of the following is used as fuel rods in an atomic reactor?
Option 1: Sodium
Option 2: Uranium
Option 3: Graphite
Option 4: Boron
Correct Answer: Uranium
Solution : The correct option is Uranium.
Uranium fuel rods, often referred to as control rods, are used in nuclear reactors as nuclear fuel to govern the rate at which uranium and plutonium fission. Fuel rods are sealed metal tubes into which the uranium is packed after
Question : Direction: The pie chart shows the breakup of the monthly expenditure of a person.
What is the central angle made by the sector of expenditure on education?
Option 1: 93.6$^\circ$
Option 2: 88.2$^\circ$
Option 3: 84.3$^\circ$
Option 4: 95.2$^\circ$
Correct Answer: 93.6$^\circ$
Solution : Given the value of education = 26 Total value = 100 Central angle = $\frac{\text{Value of education}}{\text{Total value}}×360^\circ$ = $\frac{26}{100}×360^\circ = 93.6^\circ$ Hence, the correct answer is 93.6$^\circ$.
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