A. Proper irrigation B. Adding sodium hydroxide C. Liming D. Application of fertilizers Explanation: Soil acidity can be corrected easily by liming the soil,…
A. Convection B. radiation C. Conduction D. None of these Explanation: In radiation, heat is transferred in the form of electromagnetic…
A. Nicolaus Copernicus B. Johannes Kepler C. Isaac Newton D. Galile Explanation: Kepler's laws of planetary motion are three scientific laws describing orbital motion, each…
A. Lungs B. Blood C. Disorder of the Joints D. Liver Explanation: Arthritis is an inflammation of the joints. It can affect…
A. Job Queue B. PCB queue C. Device Queue D. Ready Queue Explanation: PCB queue does not belong to queues for processes. PCB is a process…
A. Physics in 1956 and 1972 B. Chemistry in 1958 and 1980 C. Physics in 1903 and Chemistry in 1911…
A. 4 B. 8 C. 17 D. 15 Explanation: Ice is the name given to any one of the 15 known…
A. Store Food B. Store Water C. Store Air D. None of these Explanation: The cotyledon encourages leaf growth in a…
A. Fertilization B. Germination C. Vernalization D. None of these Explanation: Germination - the process of growing a new plant from a seed.
A. 90’C B. 97’C C. 100’C D. None of these Explanation: At sea level, pure water boils at 212 °F (100°C).
A. gravity B. winds C. clouds D. rotation of the Earth Explanation: The atmosphere is held around the Earth by gravity. Gravity pulls gas molecules…
A. Poles B. Equator C. Center of earth D. Surface Explanation: The earth is an oblate spheroid, and that means it…
A. Length of an object B. Time C. Space D. Velocity of light Explanation: One of the oddest things about…
A. Voyager 1 B. Pioneer 10 C. Eris D. New Horizon Explanation: The most distant human-made object is the spacecraft Voyager…
A. 7 B. 13 C. 79 D. 82 Explanation: Saturn has 82 moons. Fifty-three moons are confirmed and named and another 29 moons are awaiting confirmation…
A. First B. Second C. Third D. Fourth Explanation: Kamala Harris, in full Kamala Devi Harris, (born October 20, 1964, Oakland, California,…
A. America and Britain B. North Korea and South Korea C. England and France D. North Vietnam and South Vietnam…
A. Ozone B. Carbon dioxide C. Sulfur dioxide D. None of these Explanation: When a photocopier is placed in a poorly ventilated…
A. Printer B. CD Rom C. Monitor D. None of these Explanation: A peripheral device is generally defined as any auxiliary device such as…
A. Slightly increases B. Slightly decreases C. Remains the same D. None of these Explanation: as we go down into…