Staff Selection Commission Sub Inspector Exam
Question : The hydrophilic nature of DNA is due to the presence of:
Option 1: thymine base
Option 2: many hydrogen bonds
Option 3: phosphate group
Option 4: deoxyribose sugar
Correct Answer: phosphate group
Solution : The correct option is the phosphate group.
Being hydrophilic refers to having an affinity for water or having the ability to interact with it by forming hydrogen bonds. Due to the presence of phosphate groups, which have a negative charge from extra electrons, and
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. Because she didn’t love him, she had to marry him
Option 1: Despite
Option 2: No substitution required
Option 3: Since
Option 4: Although
Correct Answer: Although
Solution : The fourth option is the correct answer.
The sentence currently presents a causal relationship, indicating that the reason for her marrying him is because she didn't love him. "Although" introduces a contrast or concession, indicating that despite the fact that she didn't love him, she
Question : The number 1563241234351 is:
Option 1: divisible by 11 but not by 3
Option 2: neither divisible by 3 nor by 11
Option 3: divisible by both 3 and 11
Option 4: divisible by 3 but not by 11
Correct Answer: neither divisible by 3 nor by 11
Solution : The sum of the digits of the number 1563241234351 $=1\ +\ 5\ +\ 6\ +\ 3\ +\ 2\ +\ 4\ +\ 1\ +\ 2\ +\ 3\ +\ 4\ +\ 3\ +\ 5\ +\ 1$ $= 40$ As we know,
Question : Directions: In the following question, select the one different from the other three alternatives.
Option 1: BADC
Option 2: JILK
Option 3: NMPO
Option 4: VUWX
Correct Answer: VUWX
Solution : Let's check each option –
First option: BADC; B – A = 1 and D – C = 1; The difference between the letters is equal. Second option: JILK; J – I = 1 and L – K = 1; The difference between the letters
Question : In how many ways can Indian citizenship be lost?
Option 1: One
Option 2: Two
Option 3: Three
Option 4: Four
Correct Answer: Three
Solution : The correct answer is Three.
Under the Indian Constitution, the termination of citizenship can occur through various means, including termination, deprivation, or voluntary renunciation, as outlined by the Citizenship Act of 1995. This legislation is responsible for bestowing or revoking the status of Indian
Question : Select the grammatically correct sentence.
Option 1: The simple mistake which was committed by the boy haunted him for years.
Option 2: An simple mistake which was committed by the boy haunted him for years.
Option 3: A simple mistake which was committed by an boy haunted her for years.
Option 4: The simple mistake which was committed by an boy haunted her for years.
Correct Answer: The simple mistake which was committed by the boy haunted him for years.
Solution : The first option is correct.
Explanation:
Question : If the base radius and the height of a right circular cone are increased by 10%, then the percentage increase in the volume is:
Option 1: 30.2%
Option 2: 22.1%
Option 3: 33.1%
Option 4: 20.2%
Correct Answer: 33.1%
Solution : Given, The base radius and the height of a right circular cone are increased by 10% We know the volume of the cone = $\frac13\pi r^2h$, where r is the radius and h is the height. Volume $\propto$ $r^2$ Volume $\propto$ $h$ Let the original
Question : Which Article of the Indian Constitution lays the condition that the President, once elected, shall not be a member of the either House of Parliament or state legislature?
Option 1: Article 62
Option 2: Article 59
Option 3: Article 80
Option 4: Article 79
Correct Answer: Article 59
Solution : The correct answer is Article 59.
Article 59 of the Constitution lays down the following conditions for the President's office:
Question : Who was the President of India when Rajiv Gandhi was sworn in as Prime Minister?
Option 1: Giani Zail Singh
Option 2: R Venkataraman
Option 3: Shankar Dayal Sharma
Option 4: N Sanjiva Reddy
Correct Answer: Giani Zail Singh
Solution : The correct option is Giani Zail Singh
When Rajiv Gandhi was sworn in as Prime Minister of India in 1984, Giani Zail Singh was the President. Giani Zail Singh served as the seventh President of India from 1982 to 1987, and he administered
Question : The monthly salary of a person was INR 75,000. He used to spend on Family Expenses (E), Taxes (T), and Charity (C), and the rest was his savings. E was 60% of the income, T was 20% of E and C was 15% of T. When his salary was raised by 40%, he maintained the percentage level of E, but T became 30% of E and C became 20% of T. The ratio of the savings of his earlier salary to that of his present salary is:
Option 1: 655 : 644
Option 2: 325 : 337
Option 3: 644 : 655
Option 4: 337 : 325
Correct Answer: 655 : 644
Solution : Savings = Income − (E + T + C) E = 0.60 × 75000 = 45000 T = 0.20 × 45000 = 9000 C = 0.15 × 9000 = 1350 Now, savings = 75000 − (45000 + 9000 + 1350) = 19650 When
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