{"id":20783,"date":"2018-01-23T17:10:09","date_gmt":"2018-01-23T11:40:09","guid":{"rendered":"https:\/\/www.cbselabs.com\/?p=20783"},"modified":"2021-09-18T15:22:56","modified_gmt":"2021-09-18T09:52:56","slug":"cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4","status":"publish","type":"post","link":"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4\/","title":{"rendered":"CBSE Sample Papers for Class 9 SA2 Science Solved 2016 Set 4"},"content":{"rendered":"<h2><span style=\"color: #00bdeb;\"><strong>CBSE Sample Papers for Class 9 SA2 Science Solved 2016 Set 4<\/strong><\/span><\/h2>\n<p><strong>More Solved Sample papers For Class 9 Science<\/strong><\/p>\n<div class=\"one-half first\">\n<ul>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers\/\" target=\"_blank\" rel=\"noopener\">CBSE Sample Papers Home Page<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-1\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 1<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-2\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 2<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-3\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 3<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 4<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-5\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 5<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-6\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 6<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"one-half\">\n<ul>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-7\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 7<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-8\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 8<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-9\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 9<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-10\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 10<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-11\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 11<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-12\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 12<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-13\/\" target=\"_blank\" rel=\"noopener\">CBSE Class 9 SA2 Science Set 13<\/a><\/li>\n<\/ul>\n<\/div>\n<h3><span style=\"color: #0000ff;\"><strong>Section A<\/strong><\/span><\/h3>\n<p>Q.1. How much work is done on a body of mass 1 kg whirling on a circular path of radius 5 m?<br \/>\nQ.2. Which will be chemically more reactive : element A with atomic number 17 or element B with atomic number 16?<br \/>\nQ.3. Name any two diseases against which you are vaccinated ?<br \/>\nQ.4. Do 5 moles of CO2 and 5 moles of H<sub>2<\/sub>0 have same mass ?<br \/>\nQ.5. Why does a sharp needle pierce the skin easily than the blunt needle although the force applied on both the needles is same?<br \/>\nQ.6. Give one characteristics feature of the following :<br \/>\n(a)Arthropoda (b) Annelida (c) Mollusca.<br \/>\nQ.7. A girl having mass of 35 kg sits on a trolley of mass 5 kg. The trolley is given an initial velocity of\u00a04 ms<sup>-1<\/sup> by applying a force. The trolley comes to rest after travelling a distance of 16 m.<br \/>\n(a) How much work is done on trolley?<br \/>\n(b) How much work is done by the girl?<br \/>\nQ.8.(a) On a rainy day, flash of light and thunder are produced at the same time. Why is flash of light\u00a0seen a few seconds earlier than hearing the thunder?<br \/>\n(b)Why does sound travels faster in summer season than in winter?<br \/>\n(c) A boy strikes one end of a long iron pipe with a rod. Another boy who keeps his ear close to the other end of the pipe hear two sounds in a short interval of time. Explain, why.<br \/>\nQ.9. (a) Why do parent&#8217;s immunise the new born baby?<br \/>\n(b) What are the ways to prevent mosquitoes from breeding?<br \/>\nQ.10. How does chemicals released by factories in water effect aquatic life?<br \/>\nQ.11. What is the audible range? What are infrasonic waves? What are ultrasonic waves ? What type of waves are produced by bats?<br \/>\nQ.12. (a) What do you think is the need of classification?<br \/>\n(b)What are the special features of ferns showing it is a pteridophyte?<br \/>\nQ.13. Give the chemical formula for the following combination and compute the ratio of mass of the constituent elements in each one of them :<br \/>\n(a)Water \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(b) Hydrogen chloride.<br \/>\n(c)Carbon monoxide (d) Aluminium fluoride<br \/>\n(e) Magnesium sulphate \u00a0 (f) Nitrogen dioxide<br \/>\n14.Complete the table :<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/i1.wp.com\/farm2.staticflickr.com\/1693\/23562217943_576a53cd78_o.jpg?resize=667%2C101&#038;ssl=1\" alt=\"cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4-14jpg_Page1\" width=\"667\" height=\"101\" data-recalc-dims=\"1\" \/>Q.15. Calculate the number of moles of magnesium present in the magnesium ribbon weighting 12 g.\u00a0Molar atomic mass of magnesium is 24 g mol<sup>-1<\/sup> ?<br \/>\nQ.16. What are the observations and drawbacks of Rutherford&#8217;s model of atom?<br \/>\nQ.17. (a) State Pascal&#8217;s law?<br \/>\n(b) Define upthrust or buoyant force. Describe an activity to show that a body loses its weight when immersed in a liquid?<br \/>\nQ.18. Karuna is suffering from cholera. It is likely that the children sitting around her will be exposed to the infection.<br \/>\n(a)Do all the students get infected and suffer from disease?<br \/>\n(b)List two major symptoms of cholera .<br \/>\n(c) What are the different ways of spread of this disease?<br \/>\nQ.19. Enlist the important applications of radio isotopes.<br \/>\nQ.20. Define energy. Give and define S! unit of energy. List its different forms. A moving body of mass 20 kg has 40 joules of kinetic energy. Calculate the speed.<br \/>\nQ.21. Tabulate the differences between five classes of vertebrata.<\/p>\n<h3><span style=\"color: #0000ff;\"><strong>SECTION &#8211; B<\/strong><\/span><\/h3>\n<p>Q.22. &#8211; Q.24. OTBA Questions of 10 marks.<\/p>\n<h3><span style=\"color: #0000ff;\"><strong>SECTION &#8211; C<\/strong><\/span><\/h3>\n<p>Q.25.. In an experiment a piece of stone surrounded by ice on all sides is floating in a beaker containing <sup>1<\/sup> water up to a certain level. When the ice melts, the water level in the breaker wi<br \/>\n(a) first decrease and then increase\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b) remain same<br \/>\n(c) decrease\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (d) increase<br \/>\nQ.26. In an experiment two balls, one of iron and other aluminium experience same upthrust when dipped in water.<br \/>\n(a)both have equal density \u00a0 \u00a0(b) \u00a0nothing definite can be said<br \/>\n(c)both have equal weight in air (d)\u00a0\u00a0\u00a0 both have equal volume<br \/>\nQ.27. In an experiment the floating body displaces its own :<br \/>\n(a)volume of liquid (b)\u00a0\u00a0\u00a0\u00a0 mass of liquid<br \/>\n(c)\u00a0\u00a0\u00a0 weight of liquid (f)\u00a0\u00a0\u00a0\u00a0 none of these<br \/>\nQ.28. In an experiment two impulses in a stretched string whose centres are initially 8 cm apart are moving towards each other as shown. The speed of each impulse is 2 cm s~<sup>1<\/sup>. After 2 seconds, the total energy of the pulse will be :<br \/>\n(a)partially kinetic and partially potential<br \/>\n(b)purely potential<br \/>\n(c)purely kinetic<br \/>\n(d) zero<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/i2.wp.com\/farm2.staticflickr.com\/1447\/24162909686_ccca961709_o.jpg?resize=406%2C137&#038;ssl=1\" alt=\"cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4-28jpg_Page1jpg_Page1\" width=\"406\" height=\"137\" data-recalc-dims=\"1\" \/>Q.29.In an experiment rectangular iron block is kept over a table with different faces touching the table. In different cases, block exerts:<br \/>\n(a)different thrust and different pressure<br \/>\n(b)different thrust and same pressure<br \/>\n(c)same thrust and different pressure<br \/>\n(d) same thrust and same pressure<br \/>\n<img loading=\"lazy\" class=\"aligncenter\" src=\"https:\/\/i2.wp.com\/farm2.staticflickr.com\/1526\/23821204419_b9235f5fb4_o.jpg?resize=667%2C204&#038;ssl=1\" alt=\"cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4-30jpg_Page1\" width=\"667\" height=\"204\" data-recalc-dims=\"1\" \/>Q.31.The mass of a solid iron cube of side 4 cm is to be determined. Of the 4 spring balances available, the one best suited for this purpose would be having :<br \/>\n(a)range =\u00a0 0\u00a0 to\u00a0 100g, least count =\u00a0 1\u00a0 g<br \/>\n(b)range =\u00a0 0\u00a0 to\u00a0 100 g, least count\u00a0\u00a0\u00a0 = 5 g<br \/>\n(c)range =\u00a0 0\u00a0 to\u00a0 1000 g, least count\u00a0 =\u00a0 10 g<br \/>\n(d) range = 0\u00a0 to\u00a0 1000 g, least count \u00a0 = \u00a025 g<br \/>\nQ.32. Foot, seta and capsule are part of:<br \/>\n(a) Funaria\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b)\u00a0\u00a0\u00a0 Riccia<br \/>\n(c) Agaricus\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (d)\u00a0\u00a0\u00a0\u00a0 Moss<br \/>\nQ.33. Ferns are said to be ornamental plants due to :<br \/>\n(a) roots\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (b)\u00a0\u00a0\u00a0\u00a0 stems<br \/>\n(c) leaves\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (d)\u00a0\u00a0\u00a0 all of these<br \/>\nQ.34. Name the group of plants having naked seeds. Write any other salient feature.<br \/>\nQ.35. Find the ratio by mass of elements present in molecule of ammonia (NF1<sub>3<\/sub>). Given atomic mass of N = 14 u, H = 1 u.<br \/>\nQ.36. Write any two desirable features of a spring balance.<\/p>\n<p><strong>(Download Questions PDF)<\/strong><br \/>\n[gview file=&#8221;https:\/\/resultscareer.files.wordpress.com\/2016\/01\/cbse-sample-papers-for-class-9-sa2-science-solved-2016-set-4-questions.pdf&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CBSE Sample Papers for Class 9 SA2 Science Solved 2016 Set 4 More Solved Sample papers For Class 9 Science CBSE Sample Papers Home Page CBSE Class 9 SA2 Science Set 1 CBSE Class 9 SA2 Science Set 2 CBSE Class 9 SA2 Science Set 3 CBSE Class 9 SA2 Science Set 4 CBSE Class &hellip;<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.2 (Yoast SEO v17.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CBSE Sample Papers for Class 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