621. Snow is formed by the process of A. condensation B. evaporation C. sublimation D. evaporation and condensation ✅ The correct answer is option C.
622. For the formation of rainfall which of the following is not essential? A. dust particles in the atmosphere B. evaporation C. condensation D. wind ✅ The correct answer is option D.
623. The capacity of the Atmosphere to hold water vapour A. increases as the temperature increases B. decreases as the temperature increases C. increases as the temperature decreases D. decreases as the temperature decreases ✅ The correct answer is option A.
624. The world’s largest river is A. Amazon B. Nile C. Mississippi D. Brahmaputra ✅ The correct answer is option A.
625. The Radcliff Line demarcates the boundary between A. India and China B. India and Pakistan C. Pakistan and Afghanistan D. India and Afghanistan ✅ The correct answer is option B.
626. Which of the following lies on the Nile Rivers? A. Nairobi B. Addis Ababa C. Khartoum D. Kinhasa ✅ The correct answer is option C.
627. Limestone is an example of A. igneous rocks B. sedimentary rocks C. metamorphic rocks D. crystalline rocks ✅ The correct answer is option B.
628. The urban population of the world is growing faster than Its rural population. This is mainly because of A. high birth rate in towns B. rural-urban migration C. high death rate in rural areas D. low death rate in towns ✅ The correct answer is option B.
629. Ocean currents rotate A. clockwise in the northern hemisphere and anti-clockwise in the southern hemisphere B. anti-clockwise in the northern hemisphere and clockwise in the southern hemisphere C. clockwise in both the hemispheres D. anti-clockwise in both the hemispheres ✅ The correct answer is option A.
630. What does the 17th parallel separate? A. South and North America B. North and South Korea C. South and North Vietnam D. South and North Yemen ✅ The correct answer is option C.