Question 12 MarksMention the significance of the forests. (Four points)Answerસ્વપ્રયત્નView full question & answer→
Question 22 MarksWhy is substainable natural resources management needed?Answerસ્વપ્રયત્નView full question & answer→
Question 32 MarksHow is ozone layer getting depleted? Explain.Answerસ્વપ્રયત્નView full question & answer→
Question 42 MarksWhat are the problems caused by the non-biodegradable wastes that we generate?Answerસ્વપ્રયત્નView full question & answer→
Question 52 MarksState the characteristics of magnetic field lines.Answerસ્વપ્રયત્નView full question & answer→
Question 62 MarksState two merits of parallel connection of resistors in the circuit.Answerસ્વપ્રયત્નView full question & answer→
Question 72 MarksDefine electric potential and state ItsSI unit.Answerસ્વપ્રયત્નView full question & answer→
Question 82 MarksGive two points of differences: Homologous organs and AnalogousorgansAnswerસ્વપ્રયત્નView full question & answer→
Question 102 MarksWhat is the relation of electronic structure of an atom with its position in the modern periodic table ? Answerસ્વપ્રયત્નView full question & answer→
Question 122 MarksDefine the following terms: $(1)$ Mineral $(2)$ OreAnswerસ્વપ્રયત્નView full question & answer→
Question 132 MarksWrite the balance equation of thereaction of zinc with dilute hydrochloric acid and sodium hydroxide solution.Answerસ્વપ્રયત્નView full question & answer→