General Knowledge MCQ for Competitive Examinations

General Knowledge MCQ for Competitive Examinations

1-Mobile towers releases _______ .

(A) B Rays

(B) R Rays

(C) X Rays and B rays

(D) Electromagnetic Radiation

 

2-Which planet was downgraded to ‘dwarf’ planet status?

(A) Pluto

(B) Mars

(C) Earth

(D) Venus

 

3-Which of the following statements are correct?

(A) Antibiotics also known as antimicrobial drugs.

(B) Alexander Fleming discovered the first antibiotic. 

(C) Penicillin is the first antibiotic in the world.

(D) All of the above

 

4-Which of the following countries is the first one to implement 5G network in the world?

(A) South Korea

(B) Japan

(C) Singapore

(D) Canada

 

5-Which isotope of Uranium has the capacity to sustain the chain reaction?

(A) U-245

(B) U-235

(C) U-225

(D) U-230

 

6-Which of the following factors influence the ocean currents?

(A) Rotation of the Earth

(B) Air pressure and wind

(C) Density of ocean water

(D) All of the above

 

7-Which of the following country comes under torrid zone?

(A) Japan

(B) Malaysia

(C) Nepal

(D) Russia

 

8-Which of the following substances are most commonly used in fluorescent tubes?

(A) Sodium oxide and argon

(B) Sodium vapour and neon

(C) Mercury vapour and argon

(D) Mercuric oxide and neon

 

9-Which one of the following types of waves are used in the night vision apparatus?

(A) Radio waves

(B) Microwaves

(C) Infrared waves

(D) All of the above

 

10-Who invented polio vaccine?

(A) Edward Jenner

(B) Leon

(C) John Enders

(D) Jonal E Salk

 

ANSWERS:

1-(D), 2-(A), 3-(D), 4-(A), 5-(B), 6-(D), 7-(B), 8-(C), 9-(C), 10-(D)