Which natural element has the highest melting point?

A. Iron
B. Tungsten
C. Copper
D. Silver

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 sun bathing?

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