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Staff Selection Commission Combined Graduate Level Exam

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Question : HIV often changes its shape due to the presence of an enzyme called

Option 1: Reverse Transcriptase

Option 2: Enterokinase

Option 3: Nucleotidase

Option 4: Nucleoditase

Team Careers360 13th Jan, 2024

Correct Answer: Reverse Transcriptase


Solution : The correct answer is Reverse Transcriptase.

HIV is known as Human Immunodeficiency Virus. It is a single stranded RNA virus. When it enters in the human body through the contact with body fluids, then with the help of Reverse Transcriptase enzyme it is converted

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Question : Comprehension:
Read the following passage and answer the questions given after it.
In the late 18th century the Industrial Revolution began to transform life in Britain. Until then, most people lived in the countryside and made their living from farming. By the mid-19th century, most people in Britain lived in towns and made their living from mining or manufacturing industries. In 1712 a man named Thomas Newcomen (1663-1729) made primitive steam engines for pumping water from mines. In 1769 James Watt (1736-1819) patented a more efficient steam engine. In 1785 his engine was adapted to driving machinery in a cotton factory. The use of steam engines to drive machines slowly transformed the industry. Meanwhile, during the 1700s Britain built up a great overseas empire. The North American colonies were lost after the War of Independence 1776-1783. On the other hand, after the Seven Years' War 1756-1763, Britain captured Canada and India. Britain also took Dominica, Grenada, St. Vincent and Tobago in the West Indies. In 1707 the Act of Union was passed. Scotland was united with England and Wales. England became part of Great Britain. Owning land was the main form of wealth in the 18th century. Political power and influence were in the hands of rich landowners. At the top were the nobility. Below them were a class of nearly rich landowners called the gentry. In the early 18th century there were another class of landowners called yeomen who were small landowners, described as farmers of the middle class. However, during the century this class became less and less numerous. However other middle class people such as merchants and professional men became richer and more numerous, especially in the towns. Below them were the great mass of the population, craftsmen and labourers. In the 18th century, probably half the population lived at subsistence or bare survival levels.
In the early 18th century England suffered from gin drinking. It was cheap and it was sold everywhere as you did not need a license to sell it. Many people ruined their health by drinking gin. Sadly, for many poor people drinking gin was their only comfort. The situation improved after 1751 when a tax was imposed on gin. At the end of the 17th century, it was estimated the population of England and Wales was about 5 1/2 million. The population of Scotland was about 1 million. The population of London was about 600,000. In the mid-18th century, the population of Britain was about 6 1/2 million. In the late 18th century it grew rapidly and by 1801 it was over 9 million. The population of London was almost 1 million. During the 18th century, towns in Britain grew larger. Nevertheless, most towns still had populations of less than 10,000. However, in the late 18th century new industrial towns in the Midland and the North of England mushroomed. Meanwhile, the population of London grew to nearly 1 million by the end of the century. Other towns were much smaller. The population of Liverpool was about 77,000 in 1800. Birmingham had about 73,000 people and Manchester had about 70,000. Bristol had a population of about 68,000. Sheffield was smaller with 31,000 people and Leeds had about 30,000 people.
Question:
In the early 18th century, people in England drank a lot of gin because of which of the following reasons?
a. It was cheap.
b. It was easily available.
c. For many poor people drinking gin was their only comfort.

Option 1: Only a and b are correct.

Option 2: Only b and c are correct.

Option 3: Only a and c are correct.

Option 4: a, b and c all are correct.

Team Careers360 16th Jan, 2024

Correct Answer: a, b and c all are correct.


Solution : The right choice is the fourth option.

In early 18th-century England, gin was popular because:

  • It was cheap. Gin's affordability made it accessible to many, including the poor.
  • It was easily available. No licence was needed to sell
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Question : Directions: Prem starts to walk to school from his house and walks 400 metres to the north turns left and walks 100 metres; turns left and walks 200 metres and then turns left and walks 100 metres. How far is he away from his house?

Option 1: 100 metres

Option 2: 300 metres

Option 3: 200 metres

Option 4: 250 metres

Team Careers360 21st Jan, 2024

Correct Answer: 200 metres


Solution : Firstly, we will draw the diagram as per the given instructions –

Now, we have to find the distance between the house and the endpoint.


In the above figure, O is the starting point and D is the finishing point. So, OD is the

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Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.

The soldiers would not have surrendered if they not ran out of ammunition.

Option 1: did not ran out

Option 2: had not run out

Option 3: do not run out

Option 4: no improvement required

Team Careers360 14th Jan, 2024

Correct Answer: had not run out


Solution : The correct choice is the second option.

The sentence is in the past perfect tense (would not have surrendered), so the relative clause referring to running out of ammunition should also be in the past perfect tense. Thus, the phrase had

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Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary.
1. Submerse
2. Sublimity
3. Submerge
4. Submit
5. Submarine

Option 1: 5, 3, 2, 4, 1

Option 2: 2, 5, 4, 1, 3

Option 3: 2, 3, 5, 1, 4

Option 4: 2, 5, 3, 1, 4

Team Careers360 16th Jan, 2024

Correct Answer: 2, 5, 3, 1, 4


Solution : Given:
1. Submerse 2. Sublimity 3. Submerge 4. Submit 5. Submarine

Step 1: Compare the first letter of all the words. Since all the words start with the same letter S, then move on to the next letter.
Step 2:

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Question : The three medals that Indians won in the Beijing Olympic were in

Option 1: Shooting , Boxing and Wrestling

Option 2: Shooting  , Boxing and Archery

Option 3: Shooting , Wrestling and Tennis 

Option 4: Shooting , Boxing and Hockey 

Team Careers360 16th Jan, 2024

Correct Answer: Shooting , Boxing and Wrestling


Solution : The correct option is - Shooting , Boxing and Wrestling.

India won medals in the sports of boxing, shooting, and wrestling at the 2008 Summer Olympics in Beijing. Abhinav Bindra won the gold medal in the men's 10 m air rifle

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Question : A four-digit number abba is divisible by 4 and a < b. How many such numbers are there?

Option 1: 10

Option 2: 8

Option 3: 12

Option 4: 6

Team Careers360 15th Jan, 2024

Correct Answer: 8


Solution : A four-digit number abba
Divisibility Rule of 4: A number will be divisible by 4 if the last two digits of the number are divisible by 4
Here, ba should be divisible by 4 with a < b.
⇒ Possibilities: 32, 52, 72, 92, 64,

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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."

My lawn (1) / which is overgrown (2) / needs wedding. (3) / No Error (4)

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Team Careers360 11th Jan, 2024

Correct Answer: (3)


Solution : In the third part, "wedding" is incorrect. It should be "weeding" which means removal of weeds from the lawn.

"Wedding" is a completely different word which means ceremonial celebration of a marriage and doesn't fit in the context of the sentence.

The correct sentence

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Question : Work done by 8 men is completed in 10 days. The same work can be completed in 12 days when done by 10 women. How many days will they take to complete when 4 men and 4 women are employed to perform the same job?

Option 1: 12

Option 2: 6

Option 3: 10

Option 4: 8

Team Careers360 18th Jan, 2024

Correct Answer: 12


Solution : 8 men complete a work in 10 days.
The work rate of one man = $\frac{1}{8\times 10}= \frac{1}{80}$
10 women complete a work in 12 days.
The work rate of one woman = $\frac{1}{10\times 12}= \frac{1}{120}$
4 men's work rate + 4 women's work rate

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