SSC CHSL 2017 PYQs

Question 1

Which of the following is not an Operating System?

Accepted Answer

An operating system manages computer hardware and software resources. Windows Vista, Linux, and Mac OS are operating systems. Microsoft Office is an application suite, not an OS.

Question 2

Which of the following language is used to access data from a database?

Accepted Answer

SQL (Structured Query Language) is specifically designed for managing and querying relational databases. It is the standard language for database interaction.

Question 3

The tag line "Do no Evil" is owned by

Accepted Answer

The tagline "Do no Evil" is famously associated with Google. It was their unofficial corporate motto for many years, reflecting their ethical stance.

Question 4

Arithmometer was invented by

Accepted Answer

The Arithmometer, the first commercially successful mechanical calculator, was invented by Charles Xavier Thomas de Colmar in 1820.

Question 5

Steam Engine was invented by?

Accepted Answer

George Stephenson is widely credited with inventing the steam locomotive, which is a type of steam engine used for railways. This is a direct factual recall question.

Question 6

Telephone exchange was invented by?

Accepted Answer

Tivadar Puskas, a Hungarian inventor, is credited with the invention of the telephone exchange in 1876, which allowed multiple telephone users to connect.

Question 7

Soda water was invented by

Accepted Answer

Joseph Priestley invented soda water in 1767 by infusing water with carbon dioxide. This discovery led to the development of carbonated beverages.

Question 8

Barograph was invented by

Accepted Answer

Lucien Vidi invented the barograph, a recording barometer, in 1844. This device continuously records atmospheric pressure changes over time.

Question 9

Which of these Bollywood actresses has not won the National Film Award?

Accepted Answer

Raveena Tandon, Vidya Balan, and Smita Patil have all won the National Film Award for Best Actress. Madhuri Dixit has not received this specific award.

Question 10

Seismometer was invented by

Accepted Answer

Luigi Palmieri, an Italian physicist, invented the first electromagnetic seismograph in 1855, which could detect and record seismic activity.

Question 11

Venn diagram was invented by

Accepted Answer

John Venn, a British logician and philosopher, is credited with inventing the Venn diagram, a widely used tool in set theory and logic.

Question 12

Electric tram was invented by?

Accepted Answer

Fyodor Pirotsky, a Russian engineer, invented the first electric tram in 1880. This is a direct factual recall question.

Question 13

Electric chair was invented by

Accepted Answer

Alfred P. Southwick, a dentist, invented the electric chair in 1881. It was first used for executions in New York in 1890.

Question 14

Which of the following is induced by Oncogene?

Accepted Answer

Oncogenes are genes that have the potential to cause cancer. They promote uncontrolled cell growth, leading to tumor formation and the development of cancer.

Question 15

Medulla oblongata is a part of which of the following?

Accepted Answer

The medulla oblongata is a crucial part of the brainstem, responsible for regulating vital involuntary functions like breathing and heart rate.

Question 16

Scurvy (bleeding of gums) is caused by the deficiency of  which vitamin?

Accepted Answer

Scurvy is a disease characterized by bleeding gums, weakness, and joint pain. It is directly caused by a prolonged deficiency of Vitamin C (Ascorbic Acid).

Question 17

The outermost layer of skin is

Accepted Answer

The epidermis is the outermost layer of the skin, providing a protective barrier against the environment. It is primarily composed of keratinocytes.

Question 18

Diabetes is caused by

Accepted Answer

Diabetes is primarily caused by the body's inability to produce enough insulin or to use insulin effectively, leading to high blood sugar levels.

Question 19

Which drug is used as an Anti-Histamine?

Accepted Answer

Promethazine is an antihistamine used to treat allergies, nausea, and insomnia. It blocks histamine receptors, reducing allergic reactions and inducing drowsiness.

Question 20

Deficiency of which of the following causes non-clotting  of blood?

Accepted Answer

Vitamin K is essential for the synthesis of clotting factors in the liver. Its deficiency directly impairs the blood clotting process, leading to excessive bleeding.