Q1. What is the pH of water?/ पानी का पीएच (pH) मान क्या है?
(a) 7
(b) 5
(c) 3
(d) 1
Sol.The pH of pure water is 7. In general, water with a pH lower than 7 is considered acidic, and with a pH greater than 7 is considered basic. The normal range for pH in surface water systems is 6.5 to 8.5, and the pH range for groundwater systems is between 6 to 8.5.
Q2. Solid carbon dioxide is known as ________./ ठोस कार्बन डाइऑक्साइड को ________ के रूप में भी जाना जाता है।
(a) Hypo/ हाइपो
(b) Borax/ बोरेक्स
(c) Alum
(d) Dry ice/ शुष्क बर्फ
Sol.Dry ice, sometimes referred to as “cardice”, is the solid form of carbon dioxide. It is used primarily as a cooling agent.
Q3. Oil paint was first used for Buddhist paintings by Indian and Chinese painters in western _____ sometime between the fifth and tenth centuries.
/तेल पेंट का इस्तेमाल पहली बार पांचवीं और दसवीं सदी के बीच पश्चिमी _____ में भारतीय और चीनी चित्रकारों द्वारा बौद्ध चित्रों के लिए किया जाता था।
(a) Iraq/इराक
(b) Afghanistan/अफगानिस्तान
(c) Pakistan/पाकिस्तान
(d) India/भारत
Sol.Although oil paint was first used for Buddhist paintings by Indian and Chinese painters in western Afghanistan sometime between the fifth and tenth centuries, it did not gain popularity until the 15th century.
Q4. Flamingo festival is celebrated in which state?/ फ्लेमिंगो त्यौहार किस राज्य में मनाया जाता है?
(a) Karnataka/ कर्नाटक
(b) Kerala/ केरल
(c) Andhra Pradesh/आंध्र प्रदेश
(d) Maharashtra/ महाराष्ट्र
Sol.The three-day annual Flamingo Festival was held at Pulicat lake and Nelapattu Bird Sanctuary in Sullurpet mandal region of Andhra Pradesh.Flamingo Festival is held every year to promote tourism in Pulicat and Nellapattu.
Q5. In economic equilibrium _____/आर्थिक संतुलन में _____
(a) supply is equal to the demand./ आपूर्ति मांग के बराबर होता है।
(b) the surplus is larger than the shortage./ अधिशेष कमी से बड़ा होता है।
(c) elasticity of demand equals elasticity of supply/मांग की लोच आपूर्ति की लोच के बराबर होता है
(d) price elasticity of demand is unity/ मांग के कीमत लोच एकल होता है
Sol.Economic equilibrium is a state where economic forces such as supply and demand are balanced and in the absence of external influences the (equilibrium) values of economic variables will not change.
Q6. Manas Tiger Reserve is in which state?/ मानस टाइगर रिजर्व किस राज्य में है?
(a) Telangana/ तेलंगाना
(b) Madhya Pradesh/ मध्य प्रदेश
(c) Assam/ असम
(d) Kerala /केरल
Sol.Manas National Park or Manas Wildlife Sanctuary is a national park, UNESCO Natural World Heritage site, a Project Tiger reserve, an elephant reserve and a biosphere reserve in Assam.
Sol.On 12 April 1961, Russian cosmonaut Yuri Gagarin became the first human to travel into space when he launched into orbit on the Vostok 3KA-3 spacecraft (Vostok 1).
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