Staff Selection Commission Sub Inspector Exam
Question : Which of the following is the unit of perceived loudness of sound?
Option 1: Decibel
Option 2: Sone
Option 3: Hertz
Option 4: Phon
Correct Answer: Sone
Solution : The correct option is Sone.
The sone is a measurement of the perceived loudness of sound or the acoustical pressure as perceived by an individual. The sone value increases by increasing the perceived loudness.
Question : Which article of the Constitution of India prohibits forced labour?
Option 1: Article 23
Option 2: Article 21
Option 3: Article 22
Option 4: Article 20
Correct Answer: Article 23
Solution : The correct answer is Article 23.
Article 23 of the Indian Constitution prohibits the practice of forced labour, including human trafficking and other similar forms of forced labour. This right applies to both citizens and non-citizens, and it aims to protect individuals not
Question : Iron nails become ______ after being dipped in copper sulphate solution.
Option 1: bluish
Option 2: greenish
Option 3: greyish
Option 4: brownish
Correct Answer: brownish
Solution : The correct option is brownish.
After being dipped in copper sulfate solution, iron nails turn brownish because the reaction creates iron compounds like iron(III) oxide (rust). Copper ions can be released into the solution and iron compounds can be formed as a result of the
Question : Which among the following are called the amphibians of the plant kingdom?
Option 1: Gymnosperms
Option 2: Pteridophytes
Option 3: Bryophytes
Option 4: Liverworts
Correct Answer: Bryophytes
Solution : The correct answer is Bryophytes.
In the realm of plants, bryophytes are referred to as amphibians. Because bryophytes are plants that can survive in soil but require water for sexual reproduction, they are also known as amphibians in the plant kingdom. They typically appear in
Question : Tulsiram's salary is 20% more than that of Kashyap. If Tulsiram saves Rs. 720 which is 4% of his salary, then Kashyap's salary is:
Option 1: Rs. 15000
Option 2: Rs. 12000
Option 3: Rs. 10000
Option 4: Rs. 22000
Correct Answer: Rs. 15000
Solution : Given: Tulsiram's salary is 20% more than that of Kashyap and Tulsiram saves Rs. 720, which is 4% of his salary. Let's assume Kashyap's salary = 100 units So, Tulsiram's salary = 120 units Tulsiram's savings = 120 × 0.04 = 4.8 units Here,
Question : Identify the segment in the sentence which contains a grammatical error. He is over eighty and dare not read without glasses.
Option 1: over eighty and
Option 2: dare not read
Option 3: He is
Option 4: without glasses
Correct Answer: dare not read
Solution : The correct choice is the second option.
Explanation: The error lies in the subject-verb agreement. The subject "he" requires the third-person singular form of the verb, which is "dares" in this case. The original sentence uses the plural form "dare", which is
Question : In the world, India tops in the production of:
Option 1: Nickel
Option 2: Uranium
Option 3: Mica
Option 4: Manganese
Correct Answer: Mica
Solution : The correct answer is Mica.
India is the largest producer of Mica in the world. Mica is a silicate mineral used to colour and shine epoxy resin, soap, candles, cosmetics, etc. It is used as a polish and varnish for furniture. Mica deposits are
Question : Directions: Which answer figure will complete the pattern in the question figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the first option is correct.
Question : Find the value of $\cos \left(-\frac{7 \pi}{2}\right)$.
Option 1: $\frac{1}{2}$
Option 2: $1$
Option 3: $-1$
Option 4: $0$
Correct Answer: $0$
Solution : $\cos \left(-\frac{7 \pi}{2}\right)=\cos \left(\frac{7 \pi}{2}\right)=\cos \left(4\pi-\frac{ \pi}{2}\right)=\cos \left(\frac{ \pi}{2}\right)=0$ Hence, the correct answer is $0$.
Question : The Government of India added the prefix 'MG' to the National Rural Employment Guarantee Act in the year__________.
Option 1: 2012
Option 2: 2008
Option 3: 2009
Option 4: 2007
Correct Answer: 2009
Solution : The correct option is 2009.
The Government of India added the prefix 'MG' to the National Rural Employment Guarantee Act in 2009. This change reflected the expansion of the program, now known as the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA), emphasizing its commitment
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