How much solar flux absorb by earth’s  surface is used to drive hydrologic cycle: 

A. 1/2sec
B. 1/3rd
C. 1/4th
D. 1/5th

Polyamides are synthetic polymers commonly known as___________?

A. Synthetic
B. Protein
C. Cellulose
D. Nylon

The rate of formation of ozone depends on the flux of:

A. Visible radiation
B. Ultra violet radiation
C. Infrared radiation
D. Gamma rays

The human eye forms the image of an object at its________?

A. Cornea
B. Pupil
C. Iris
D. Retina

What is the average distance of the moon from earth?

A. 384,400 km
B. 350,000 km
C. 380,200 km
D. 384,500 km

B12 deficiency can produce__________?

A. Insomnia
B. Microcytic anemia
C. Pernicious anemia
D. None of these

Which is the biggest star in the Universe?

A. Uy scuti
B. Rigel
C. Canopus
D. Arcturus

which is the second brightest star in the Universe?

A. Betelgeuse
B. Vega
C. Canopus
D. None of these

Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use:__________?

A. Hydrogen tank
B. Nitrogen tank
C. Oxygen tank
D. None of these

The earth absorb radiation in Visible range but emit radiation at the same rate in the:

A. Ultra voilet
B. Gamma rays
C. Infrared
D. All of these