Why the needle of iron swims on water surface when it is kept gently ? Options: A. It will remain under the water, when it will displace more water than its weightB. the density of needle is less than that of waterC. due to surface tensionD. due to its shape View Answer C. due to surface tension
A bird sitting on a high tension electric wire does not get electrocuted because: Options: A. Sit has high resistanceB. the body is earthedC. it does not form a closed path for the flow of currentD. its feet are good insulators View Answer C. it does not form a closed path for the flow of current
Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ? Options: A. CT-ScanB. UltrasoundC. MRID. X-Ray View Answer A. CT-Scan
Marble and Slate are which type of rock? Options: A. IgneousB. SedimentaryC. MetamorphicD. Non of These View Answer C. Metamorphic
When a bullet penetrates into a target, the kinetic energy of a bullet is converted into ? Options: A. Potential energyB. Heat energyC. Both B&DD. Mechanical energy View Answer C. Both B&D
Which of the following vitamin is known as Pyridoxine? Options: A. Vitamin B-1B. Vitamin B-2C. Vitamin B-6D. Vitamin B-12 View Answer C. Vitamin B-6
The Distance of Neptune From Sun is ________ astronomical unit. Options: A. 28B. 30C. 32D. None of these View Answer B. 30
Which bird has legs but can Options: A. LoonsB. GrebesC. HummingbirdsD. None of these View Answer C. Hummingbirds
__________ Protect us from diseases? Options: A. VitaminsB. mineralsC. CarbohydratesD. None of these View Answer A. Vitamins