A moderator is used in nuclear reactor in order to ? April 15, 2025 by admin A. Accelerate the neutrons B. Slow down the speed of the neutrons C. Increase the number of elections D. Decrease the number of electrons E. None of theseThe…
Sedimentary rocks are__________? April 15, 2025 by admin A. Porous B. Hard C. Rough D. Brittle E. VolcanicThe correct answer to the question: "Sedimentary…
Which one of the following is a non-metallic mineral? April 15, 2025 by admin A. Manganese B. Magnesium C. Gypsum D. Bauxite E. None of theseThe correct answer to the…
Ozone layer prevents ______________ radiation from entering the atmosphere? April 15, 2025 by admin A. Infra-red B. Ultraviolet C. X-rays D. Gamma rays E. None of theseThe correct answer to…
The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ? April 15, 2025 by admin A. Ionosphere B. Troposphere C. Mesosphere D. Stratosphere E. None of theseThe correct answer to the…
Yeast is used in making bread because it produces____________? April 15, 2025 by admin A. Carbon dioxide B. Sugar C. Bacteria D. Oxygen E. None of theseThe correct answer to the…
Oasis is associated with___________? April 15, 2025 by admin A. Glaciers B. Desert C. Islands D. Volcanoes E. Fertile landThe correct answer to the question:…
Quartz crystal in quartz watches work on the principle called? April 15, 2025 by admin A. Photoelectric effect B. Stark effect C. Thermionic effect D. Piezo-electric effect E. None of theseThe correct answer to…
The fruits without seed, like banana, are called_____________? April 15, 2025 by admin A. Seedless fruits B. Parthenogenesis fruits C. Parthenocarpic fruits D. placental fruits E. Organic fruitsThe correct answer to the…
Animal which captures and readily kills living animals for its food is called___________? April 15, 2025 by admin A. Parasite B. Scavenger C. Predator D. Mammal E. None of theseThe correct answer to the…
