Q.1 The hardness of water is due to the presence of salts of which of the following?Ans A. Calcium and MagnesiumB. Potassium and SulphurC. Magnesium and PotassiumD. Potassium and CalciumCorrect Ans Provided: A

Q.10 Which of the following statements is incorrect?Ans A. Multi-grade teaching is seen in the developed as well as in the underdeveloped countries.B. Multi-grade Teaching is a situation where multiple teachers teache several classes at a time.C. Multi-grade ...

Q.2 Increased carbon dioxide level in earth’s atmosphere leads to the phenomenon of _______.Ans A. Ozone holeB. Greenhouse EffectC. Photochemical smogD. Acid RainCorrect Ans Provided: B

Q.6 निम्नलिखित में से कौन मृदा प्रदूषण का घरेलू स्रोत नहीं है?Ans A. प्लास्टिक बैगB. रसोई अपशिष्टC. कांच की बोतलेंD. उर्वरकCorrect Ans Provided: D

Q.7 The Soda Lime process to convert hard water into soft water is also known as?Ans A. Bohr’s MethodB. Maxwell’s MethodC. Weiner’s MethodD. Clark’s MethodCorrect Ans Provided: D

Q.3 Which of the following is a micro-nutrient present in the soil essential for plant growth?Ans A. MagnesiumB. CalciumC. IronD. SulphurCorrect Ans Provided: C

Q.9 निम्नलिखित में से किसे ‘मसौदा जानवर’ कहा जाता है?Ans A. खेत में काम करने वाले पशुB. अंडा पैदा करने वाले जानवरC. दूध पैदा करने वाली मादा जानवरD. कुक्कुट पशुCorrect Ans Provided: A

Q.4 Which of the following is an example of weed?Ans A. Spring OnionB. Lemon GrassC. Basil PlantD. Carrot GrassCorrect Ans Provided: D

Q.20 An increase in blood flow to the atria of the heart can cause the release of ANF. What is the full form of ANF?Ans A. Angiotensin Natriuretic FactorB. Antidiuretic Nephrotic FactorC. Ariel Nephrotic FactorD. Atrial Natriuretic FactorCorrect ...

Q.2 Which of the following can be a source and form of gender discrimination?1. Government policies2. Family and parentsChoose the correct code.Ans A. Only 2B. Both 1 and 2C. Neither 1 nor 2D. Only 1Correct ...