Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which cell analysis technique is used to rapidly analyse single cells or particles as they flow through single or multiple lasers while suspended in a buffered salt-based solution?
Option 1: Mass spectroscopy
Option 2: Flow cytometry
Option 3: Electrochemical analysis
Option 4: Multiple displacement amplification
Correct Answer: Flow cytometry
Solution : The correct option is Flow cytometry.
The cell analysis technique described is known as flow cytometry. It is a powerful analytical technique used in biology and medicine to rapidly analyze individual cells or particles. In flow cytometry, cells are passed in a fluid
Question : Harsha's expenditure is 45% of her income. If the income from the next month is increased by 15% and the amount she saved each month remains the same, then find the percentage increase in her expenditure (rounded off to 2 decimal places).
Option 1: 33.33%
Option 2: 15.00%
Option 3: 45.00%
Option 4: 27.50%
Correct Answer: 33.33%
Solution : Let the income of Harsha be Rs. 100 Expenditure of Harsha = $100\times{\frac{45}{100}}$ = Rs. 45 Income = Expenditure + Savings Savings of Harsha = $100-45$ = Rs. 55 New income of Harsha = $100\times{\frac{115}{100}}$ = Rs. 115 If saving amount same, then new expenditure
Question : What price should a tradesman mark on an article that costs him INR 153 to gain 20% after allowing a discount of 15%?
Option 1: INR 416
Option 2: INR 116
Option 3: INR 216
Option 4: INR 316
Correct Answer: INR 216
Solution : Here the cost price is denoted by CP, the selling price is denoted by SP, and the marked price is denoted by MP. Given: CP = INR 153 To gain 20% profit, SP = 153 × $\frac{120}{100}$ = 183.6 Since the discount is 15%,
Question : Select the most appropriate homophone to fill in the blank. Developers_________ the old buildings on the site to make way for new construction.
Option 1: raze
Option 2: rays
Option 3: raise
Option 4: rase
Correct Answer: raze
Solution : The correct choice is the first option.
Explanation:
Raze means to completely demolish or destroy something, especially a building. In the context of the sentence, it fits perfectly, indicating the action of demolishing the old buildings to make room for new construction.
The meanings
Question : Choose the sentence with no spelling error.
Option 1: These componants can work independently.
Option 2: These components can work indepedently.
Option 3: These components can work independently.
Option 4: These components can wrok independently.
Correct Answer: These components can work independently.
Solution : The correct choice is the third option.
The sentence with no spelling errors is: These components can work independently.
The first option contains the incorrect spelling "componants" whereas the correct spelling is components.
The second option contains the
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Cristiano Ronaldo dos Santos Aveiro, born on February 5th, 1985, and commonly known 1._________ Cristiano Ronaldo, is a Portuguese footballer who 2.__________ as a forward for Spanish club Real Madrid and serves as captain 3.____________ the Portuguese national team. Ronaldo currently holds the distinction of being the most expensive player in football history after 4.___________ transferred to Real Madrid from Manchester United in a deal worth £80 million (€94m, US$132m). His contract with Real Madrid is believed to have made him the highest-paid 5._________ player in the world.
Question: Select the most appropriate option to fill in the blank No. 1.
Option 1: at
Option 2: for
Option 3: in
Option 4: as
Correct Answer: as
Solution : The correct choice is the fourth option.
In this context, the preposition, as is used to introduce Cristiano Ronaldo's commonly known name after mentioning his full name. The use of as is grammatically correct and common when introducing someone with their familiar or commonly
Question : Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence. A. dictators may rise to power and inaugurate B. a new regime with dramatic suddenness C. and success under suitable conditions D. democracy is always a slow growth
Option 1: DCAB
Option 2: ACBD
Option 3: DABC
Option 4: ABCD
Correct Answer: DABC
Solution : The correct order is the third option: DABC.
Question : Select the option that expresses the following sentence in passive voice.
Do you obey your elders?
Option 1: Are your elders obeyed by you?
Option 2: Are you obeying by your elders?
Option 3: Have your elders obeyed by you?
Option 4: Do your elders obeyed by you?
Correct Answer: Are your elders obeyed by you?
Solution : The first option is correct.
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active sentence becomes the subject in the passive voice.
The
Question : Directions: Arrange the given words in the sequence in which they occur in the dictionary. 1. Instant 2. Inertia 3. Invincible 4. Invisible
Option 1: 1, 2, 3, 4
Option 2: 2, 1, 3, 4
Option 3: 3, 2, 4, 1
Option 4: 3, 4, 2, 1
Correct Answer: 2, 1, 3, 4
Solution : Given: 1. Instant 2. Inertia 3. Invincible 4. Invisible
Step 1: Compare the first and second letters of each word. Since all the words start with the same letter I and are followed by n, then move on to the next
Question : Directions: Select the related letter cluster from the given alternatives in the given question. COUNTRY : FRXQWUB :: EXAMINE : ?
Option 1: HAPDLQH
Option 2: HADPLQH
Option 3: HAHPLDQ
Option 4: GBQDVWB
Correct Answer: HADPLQH
Solution : Given: COUNTRY : FRXQWUB :: EXAMINE : ?
Add 3 to the place value of each letter of COUNTRY to obtain the related letter cluster – C + 3 = F; O + 3 = R; U + 3 = X; N + 3 =
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