1. It is the amount of solute in a given mass of solvent expressed as gram solute per 100 grams of solution. * Percent by volume Percent by kilograms Percent by mass Percent by liter 2. A jewelry has a mass of 5.5 grams. How many grams of silver are in a jewelry containing 75% silver by mass? * 4.28 grams 5.28 grams 5.13 grams 4.13 grams 3. Concentration of solution depends on the amount of solute present in a given ____. * solvent solution percentage volume 4. It is a solution that contains a small amount of solute relative to solvent. * Diluted Concentrated Mixed Volume 5. Adding more solute to the solution will make it more ____. * Diluted Concentrated Mixed Volume 6. How do you call an optical instrument that is used to enlarge microscopic specimen such as microorganisms and cells? * binocular magnifying lens microscope telescope 7. Which of the following refers to the ability of the microscope to distinguish the distance between the two points of the specimen? * resolution magnification par focal revolution 8. Which of the following refers to the lowest level of biological organization and the basic unit of life? * cell tissue organ organ system 9. Asexual reproduction requires ___. * only one parent to produce offspring a combination of parents to produce offspring two parents to produce offspring two clones to produce offspring 10. Biotic factors are the ___. * non-living parts of an ecosystem. weather and climate. living organisms in an ecosystem. both a and b 11. You and your barkada travelled 60km to Tagaytay. If the travel to Tagaytay are travel. If the travel time was 2.5 hours. What was the average speed of your vehicle during the trip ? * 24 km /h 28 km/h 30 km/ h 32 km/ h 12. A sound wave is a _______. * longitudinal wave transverse wave standing wave shock wave 13. What is the speed of a sound wave with a distance of .78 meter between successive compression And a frequency of 440 Hz.? * 43 m/s 143 m/s 343 m/s 543 m /s 14. What type of rays would you expect to be used frequently at the hospital for medical diagnose * gamma rays microwaves ultraviolet rays X - rays 15. When a frying fan is touching a stove that is on, what heat transfer is happening? * conduction convection radiation insulation 16. These refers to the things, substance or object in the environment required by an organism for normal growth, maintenance, and reproduction. * Energy Ecosystem Resources Progression 17. Which among the following is an example of renewable resources? * Gold Coal Fuel Flora 18. Why Philippines is considered an archipelago? * It is an island chain surrounded by bodies of water Due to colonization in 16th century It is formed by three big islands Due to its plenty of rice plantations 19. In the Philippines Northeast monsoon comes mostly in October to February. It is also known as _____________. * Amihan Habagat Typhoon El Niño 20. This imaginary line is an angle that ranges from 0° at the Equator to 90° (North or South). * Longitude Latitude Meridian International Date Line
