How many layers of Atmosphere? April 15, 2025 by admin A. 2 B. 3 C. 4 D. 5 Earth’s atmosphere is divided into five main layers:…
Mass of Earth is___________? April 15, 2025 by admin A. 5.972 × 1024 kg. B. 6.972 × 1024 kg C. 7.972 × 1024 kg D. 8.972 × 1024 kg
The Temperature of the surface of Sun is_______? April 15, 2025 by admin A. 5,778 Kelvin B. 6,778 Kelvin C. 7,778 Kelvin D. 9,778 Kelvin
A dolphin perceives its environment by the sense of__________? April 15, 2025 by admin A. Sight B. Sound C. Both of these D. None of these
Which of the following disease is spread by Fleas? April 15, 2025 by admin A. Small pox B. Tetnus C. Typhus D. Yellow fever
According to many, including the Guinness Book of World Record,________is the world’s rarest mineral? April 15, 2025 by admin A. Painite B. Benitoite C. Jadeite D. Taaffeite
Which stone floats on water? April 15, 2025 by admin A. Pumice stone B. Lime stone C. Basalt stone D. Quartzite stone
Echo is a ___________ of sound? April 15, 2025 by admin A. Reflection B. Refraction C. Interference D. None
There is no connection of supernova explosion with___________? April 15, 2025 by admin A. Cosmic rays B. Pulsars C. The formation of heavy elements D. Quasars
According to Einsteins general theory of relativity the universe:________________? April 15, 2025 by admin A. Must be expanding B. Must be contracting C. Must be either expanding or contracting D. Must be neither expanding nor contracting
