Twinkling of stars is caused by ?
Twinkling of stars is caused by ?
A. Reflection of light
B. Polarization of light
C. refraction of light
D. Interference of light
E. None of these
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The over-cooking of food should be avoided because____________?
The over-cooking of food should be avoided because____________?A. Make the food difficult to digest
B. Reduce the nutrition value of food
C. Make food Poison
D. NoneAs it turns out, heat speeds up chemical reactions and this affects the food both in good and bad ways. Overcooking can affect the quality of food – firstly it makes food harder to digest and metabolize, and secondly, charred and burnt foods contain carcinogenic substances.
Arthritis is a disease of ?
Arthritis is a disease of ?A. Lungs
B. Blood
C. Disorder of the Joints
D. LiverThe gas, commonly known as “laughing gas”, is
The gas, commonly known as “laughing gas”, isA. Carbon Dioxide
B. Sulfur Dioxide
C. Nitrous Oxide
D. Sodium OxideWhich of the following are not deflected by electric and magnetic fields ?
Which of the following are not deflected by electric and magnetic fields ?A. Alpha rays
B. Beta rays
C. Gamma rays
D. None of theseThe human eye forms the image of an object at its________?
The human eye forms the image of an object at its________?A. Cornea
B. Pupil
C. Iris
D. RetinaThe inner most part of the earth is__________?
The inner most part of the earth is__________?
A. Crust
B. Mental
C. Core
D. None of these