81. Tropical storm in Chinese Sea is known as – A. Wave B. Tornado C. Typhoon D. Cyclone ✅ The correct answer is option C.
82. Molten rock below the surface of the earth is called – A. Basalt B. Laccolith C. Lava D. Magma ✅ The correct answer is option D.
83. The minimum short-term natural hazard is – A. blizzard B. earthquake C. volcanic eruption D. bolt of lightning ✅ The correct answer is option D.
84. Which is the coldest among the following? A. Mars B. Earth C. Pluto D. Mercury ✅ The correct answer is option C.
85. ‘Super nova’ is – A. a comet B. an asteroid C. an exploding Star D. a black hole ✅ The correct answer is option C.
86. The planet that takes 88 days to make one revolution of the sun is – A. Mercury B. Saturn C. Jupiter D. Mars ✅ The correct answer is option A.
87. Most of the devastating earth-quakes are usually caused by – A. Eustatic movement B. Isostatic adjustment C. Collision of earth plates D. Volcanic eruption ✅ The correct answer is option C.
88. On which date is India likely to experience the shortest day? A. December 22 B. March 21 C. June 22 D. September 23 ✅ The correct answer is option A.
89. What is the position of the Earth when it is at the greatest distance from the sun? A. Aphelion B. Antipode C. Perihelion D. Aldiate ✅ The correct answer is option A.
90. The outermost layer of sun is called – A. Lithosphere B. Chromosphere C. Photosphere D. Corona ✅ The correct answer is option D.