The study of cancer is called_____________?

A. Zoology
B. Ecology
C. Genomic
D. Oncology

Sunlight is a Great Source of ____________?

A. Vitamin c
B. Vitamin d
C. Vitamin e
D. Vitamin k

How many teeth are there in human mouth?

A. 30
B. 33
C. 32
D. 31

Which one is the brightest star in the night sky?

A. Betelgeuse
B. Sirius
C. Rigel
D. Polaris

All of the following statements are incorrect except:

A. Precision and accuracy should go side by side in a scientific work
B. Scientific work must be precise, accuracy is not essential
C. Scientific work must be accurate, precision is not essential
D. Calculations must be made before any experiment

Radioactive isotope of Uranium used in Nuclear Bomb is ?

A. 92 u 235
B. 92 u 234
C. 92 u 233
D. 92 u 238

Evaporation from ice and snow is known as___________?

A. Evaporation
B. Sublimation
C. Hydrogenation
D. Insolation

Pedosphere is sum of_____________?

A. Organisms
B. Soil and water
C. Air
D. All of above

Sum of all ecosystems is classified as___________?

A. Aero sphere
B. Ionosphere
C. Biosphere
D. Ozonosphere

Average salinity or ratio of salt as per kilogram of water of ocean is__________?

A. 35 grams
B. 55 grams
C. 32 grams
D. 42 grams