Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams such as PPSC, FPSC, CSS, NTS, PMS and UPSC. Read all these questions and answer for your knowledge.
Which natural element has the highest melting point?
A. Iron
B. Tungsten
C. Copper
D. Silver
Which is the hardest substance in the human body?
A. Tooth enamel
B. Skull
C. Knee cap
D. Rib
Which of the following is not a mammal?
A. Fish
B. Cow
C. Goat
D. Whale
Which Organ is affected by trachoma
A. Liver
B. Lungs
C. Eyes
D. Brain
Which vitamin is available to the human body through sunbathing?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin B12
Who first measured the velocity of light?
A. Einstein
B. Newton
C. Ole Roemer
D. Galileo
In which part of the Plant does photosynthesis take place?
A. Flowers
B. Roots
C. Stem
D. Leaves
Which of the following is affected by rickets in the human body?
A. Bones
B. Tissues
C. Muscles
D. Blood
What is the common name for the drug acetyl salicylic acid?
A. Paracetamol
B. Analgin
C. Aspirin
D. Penicillin
The sounds of which frequency are human beings most sensitive?
A. 400 hertz
B. 20 hertz
C. 20000 hertz
D. 5000 hertz
On which disease did Robert Koch work?
A. Tuberculosis
B. Cholera
C. Malaria
D. Diabetes
Which of the following gases do plants and trees give out during photosynthesis?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon dioxide
Which of the following is not a waterborne disease?
A. Cholera
B. Amoebiasis
C. Typhoid
D. Influenza
Name the branch of science which deals with the study of sound and sound waves?
A. Aeronautics
B. Acoustics
C. Aerostatics
D. Aetiology
Which metal is added to steel to make it stainless steel?
A. Chromium
B. Aluminium
C. Carbon
D. Copper
The average kinetic energy of the molecules of a body determines?
A. heat
B. temperature
C. internal energy
D. none
Which vitamin is available to the human body through sunbathing?, The average kinetic energy of the molecules of a body determines?, Which metal is added to steel to make it stainless steel?, On which disease did Robert Koch work?
