The main cause of air pollution is __________? September 17, 2025 by Admin A. Burning Of Fuels B. Forests C. Fertilizers D. None of these ✅ The correct answer is option A.
Who invented Logarithm Tables? September 17, 2025 by Admin A. John Napier B. John Doe C. John Harrison D. John Douglas ✅ The correct answer is option A.
Animal without red blood cells is_________ ? September 17, 2025 by Admin A. Frog B. Earthworm C. Snake D. Crocodile ✅ The correct answer is option B.
Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body? September 17, 2025 by Admin A. Brass B. Pectora C. Interstitium D. Otic ✅ The correct answer is option C.
A disease always has a______? September 17, 2025 by Admin A. Cure B. Germs C. Cause D. Patient ✅ The correct answer is option C.
Plant have ________ while animals lack it. September 17, 2025 by Admin A. starch B. cellulose C. protein D. fat ✅ The correct answer is option B.
‘Christian Friedrich Schönbein’ discovery is___________? September 17, 2025 by Admin A. Ozone B. Radium C. Cholorine D. Neutron ✅ The correct answer is option A.
Hydrogen bomb is based on the principle of ________ ? September 17, 2025 by Admin A. Nuclear fusion B. Artificial radioactivity C. Natural radioactivity D. Nuclear fission ✅ The correct answer is option A.
What is the name of the central part of the earth? September 17, 2025 by Admin A. Mantle B. Core C. Crust D. None of the above ✅ The correct answer is option B.
It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______? September 17, 2025 by Admin A. pitch B. Frequency C. Time period D. Quality ✅ The correct answer is option A.