Oswaal Karnataka SSLC Question Bank For Class10 Science (March 2018 Exam)
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A reduce the amount of dissolved oxygen content in water. B increase the temperature of water body. C are made from vegetable oils. D contain heavy metals. 4. The technique used to track aircraft is A Sonar B Scanner C Laser D Radar. 5. An example for polyfunctional compound is A Glycine B Ethanol C Ethanamine D Methanal. 6. A student finds a flower in his school campus and decides that it is the flower of a monocot plant. The reason for his conclusion is A petals are colourful. B petals are in multiples of four or five. C petals are in multiples of three. D generally flowers are unisexual. 7. A diode is connected in a circuit as shown in the figure. The correct statement related to this figure is p
A diode offers high resistance B diode offers low resistance C maximum charges flow in the circuit. D diode offers zero resistance. 8. These diseases can be controlled by eradicating mosquitoes. A Dengue fever, Gonorrhea B Dengue fever, Hepatitis-B C Chikungunya, Syphilis D Chikungunya, Dengue fever.
14 OSWAAL SSLC Karnataka Question Bank SCIENCE X 9. The constituents of alloy which is used in the manufacture of permanent magnets are A Aluminium Copper Magnesium Manganese B Nickel Cobalt Iron Aluminium C Iron Carbon Chromium Nickel D Iron Carbon Nickel. 10. A special property of DNA that ensures the equal distribution of similar genetic material to the offsprings is A mutation B recombination C replication D variation. 11. The devices are given in Column - A and their uses are given in Column - B Match them and write the answer along with its letters