General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .

The first thing to be affected by alcohol is

Senses

Brain center

Judgement

None of the above

Correct Answer : Judgement

The first thing to be affected by alcohol is Judgement followed by brain center and senses like smell, taste, vision, etc...

Published On : June 12, 2021

2 .

Name the elements that determine the weather of a place.

Humidity

Rainfall

Temperature

All of the above

Correct Answer : All of the above

The elements that determine the weather of a place are temperature, humidity, rainfall and wind.

Published On : June 12, 2021

3 .

Which of the following radio isotope is used in the treatment of cancer

U-235

P-30

I-131

Co-60

Correct Answer : I-131

Yttrium-90 is used for treatment of cancer, particularly non-Hodgkin's lymphoma and liver cancer, and it is being used more widely, including for arthritis treatment. Lu-177 and Y-90 are becoming the main RNT agents. Iodine-131, samarium-153, and phosphorus-32 are also used for therapy.

Published On : June 12, 2021

4 .

The bright colour of fire crackers is due to

Redox reaction

Explosion of metal

Reduction of Magnesium

Oxidation of Magnesium

Correct Answer : Oxidation of Magnesium

Published On : June 12, 2021

5 .

Which type of chemical process is tarnishing of silver ?

Corrosion

Oxidation

Cleaning

Neutralization

Correct Answer : Corrosion

Published On : June 12, 2021

6 .

The Hydraulic press used to lift a car is based on the following principle

Pascal's Principle

Magnus Effect

Bernoulli's Principle

Archimedes Principle

Correct Answer : Pascal's Principle

However, because A₁ has 10 times the area of A₁, it will produce a force (F₂) that is 10 times greater than the original force (F₁). Through Pascal's principle, a relatively small force exerted on a hydraulic press can be magnified to the point where it will lift a car.

Published On : June 12, 2021

7 .

What is the name of the instrument used to record and measure ionizing radiation in human beings

Radiometer

Dosimeter

Geiger Counter

Ionization Chamber

Correct Answer : Dosimeter

A Geiger counter is an instrument used for detecting and measuring ionizing radiation. Also known as a Geiger–Müller counter (or Geiger–Muller counter), it is widely used in applications such as radiation dosimetry, radiological protection, experimental physics, and the nuclear industry.

Published On : June 12, 2021

8 .

Eclipses occur due to which optical phenomena

Diffraction

Refraction

Reflection

Rectilinear propagation

Correct Answer : Rectilinear propagation

Published On : June 12, 2021

9 .

At what temperature (in Fahrenheit) pure water freezes

Correct Answer : 32

At temperatures below 32°F (0°C), liquid water freezes; 32°F (0°C) is the freezing point of water. At temperatures above 32°F (0°C), pure water ice melts and changes state from a solid to a liquid (water); 32°F (0°C) is the melting point.

Published On : June 12, 2021

10 .

X-ray was discovered by

William Crookes

Wilhelm Roentgen

Philipp Lenard

Max von Laue

Correct Answer : Wilhelm Roentgen

Wilhelm Roentgen, Professor of Physics in Wurzburg, Bavaria, discovered X-rays in 1895—accidentally—while testing whether cathode rays could pass through glass.

Published On : June 12, 2021