World Geography The periodic rise and fall of the sea level on the earth, gives rise to tides. This is related to None of these the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun infrared rays from the sun ultraviolet rays from the sun None of these the position of the moon with reference to the earth and the gravitational pull exerted mainly by the moon and partly by the sun infrared rays from the sun ultraviolet rays from the sun ANSWER DOWNLOAD EXAMIANS APP
World Geography Which Era among the following means “ancient life”? Paleozoic Era Mesozoic era Neoproterozoic Era Cenozoic Era Paleozoic Era Mesozoic era Neoproterozoic Era Cenozoic Era ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The Paleozoic Era begins 544 million years ago up to 248 million years ago. It refers to ancient life. It is also known as the Age of Fishes
World Geography What is the average density of the ‘core’ of the Earth? 2 gm/cm3 12 gm/cm3 5 gm/cm3 2.9 gm/cm3 2 gm/cm3 12 gm/cm3 5 gm/cm3 2.9 gm/cm3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core (Nife) is the innermost layer of the earth. It is made up of dense heavy metals. The average density of the core is 12 gm/cm3
World Geography The tide produced when the moon and the sun are at right angles to the earth, thus pulling in opposite directions, is called ebb tide diurnal tide neap tide spring tide ebb tide diurnal tide neap tide spring tide ANSWER DOWNLOAD EXAMIANS APP
World Geography The hazards of radiation belts include adverse effect on living organisms deterioration of electronic circuits damage of solar cells of spacecraft All of these adverse effect on living organisms deterioration of electronic circuits damage of solar cells of spacecraft All of these ANSWER DOWNLOAD EXAMIANS APP
World Geography Zebrafish, which has been genetically modified in Glofish to be sold as a pet is native to which among the following countries? Australia & New Zealand India and Sri Lanka India and Pakistan Japan Australia & New Zealand India and Sri Lanka India and Pakistan Japan ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The zebrafish is a freshwater fish belonging to the minnow family. It is native to South Asia, it is a popular aquarium fish, frequently sold under the trade name zebra danio. It belongs to India and Sri Lanka.