Question 11 Mark…………… is considered as a clean fuel for vehicles.$ (CNG. CFC)$Answerસ્વપ્રયત્નView full question & answer→
Question 21 MarkBy a enlarged image of an object can be obtained. (convex, plane, concave)Answerસ્વપ્રયત્નView full question & answer→
Question 31 MarkOvary produces………….. hormone. (estrogên, testosterone) mirror a virtual andAnswerસ્વપ્રયત્નView full question & answer→
Question 41 Mark………………. cells perform the function of opening and closing of the stomatal pores. (Guard, Epidermal, Aerobic)Answerસ્વપ્રયત્નView full question & answer→
Question 51 MarkAccording to modern periodic table, the properties of elements are the periodic functions of their…………….(atomic number, atomic mass numberAnswerસ્વપ્રયત્નView full question & answer→
Question 61 MarkThere are ……….structural isomers of pentane. $(2, 3, 5)$Answerસ્વપ્રયત્નView full question & answer→