What kind of weathering takes place on the valley side above the surface of the glacier
(A) Plucking
(B) Abrasion
(C) Chemical weathering
(D) Frost shattering
Which of the statements to about the Troposphere is not true
(A) It contains 85-90% of the atmosphereâs mass
(B) It contains nearly all the water and oxygen of the atmosphere
(C) It is the zone which exhibits changes in condition of weather
(D) It is about 350 km thick
Mercury is also known as_________
(A) Shine Silver
(B) Quick Silver
(C) Slow Silver
(D) Slippery Silver
Which of the following vitamins is synthesized in the body by intestinal bacteria_______
(A) Vitamins B1
(B) Vitamins B12
(C) Vitamins E
(D) Vitamins K
AIDS virus is______________________
(A) Single-stranded RNA
(B) Â Single-stranded DNA
(C) Double-stranded RNA
(D) Double-stranded DNA
The speed of light with the rise in the temperature of the medium____________
(A) Decrease
(B) Increase
(C) Remain the same
(D) First decrease then increase