1041. In context of environment, the term “dirty dozen” refers to _____?
✅ C. 12 persistent organic pollutants
Author: Aurangzeb – Page 53
1042. Which of the following has the largest wavelength?
✅ C. infrared light
1043. The distance of a place South or North of equator is called_____?
✅ A. Latitude
1044. The speed of sound in air at sea level is approximately_______?
✅ C. 340 meters per second
1045. Montreal Protocol 1987 was_____?
✅ C. Treaty to protect ozone layer
1046. The repetition of property after a certain interval called ______?
✅ C. periodicity of property
1047. Which are the only two elements on the periodic table that are liquid at room temperature?
✅ B. Mercury and Bromine
1048. Current stage of star ‘Sun’ is______?
✅ C. yellow dwarf
1049. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from_______ ?
✅ B. Ionosphere
1050. It is certain that human beings _ latent power of which they are only vaguely aware
✅ A. possess