Question 12 MarksWhat are the basic causes that has brought criticist about large dam projects? Explain. (any two)Answerસ્વપ્રયત્નView full question & answer→
Question 22 MarksExplain about TWO $R$- Reuse and $R$- Recycles for saving environment.Answerસ્વપ્રયત્નView full question & answer→
Question 52 MarksWhy does a compass needle get deflected when brought near a bar magnet?Answerસ્વપ્રયત્નView full question & answer→
Question 62 MarksWhy is the series arrangement not used for domestic circuit?Answerસ્વપ્રયત્નView full question & answer→
Question 72 MarksWhy is tungsten used almost exclusively for filament of electric bulbs?Answerસ્વપ્રયત્નView full question & answer→
Question 82 MarksGive scientific reason: Mendel chose pea plants for his experiment for heredity.Answerસ્વપ્રયત્નView full question & answer→
Question 92 MarksExplain asexual reproduction occurring in bryophyllum with figure.Answerસ્વપ્રયત્નView full question & answer→
Question 102 MarksGive two points of differences: Mendeleev's periodic table and Modern periodic tableAnswerસ્વપ્રયત્નView full question & answer→
Question 112 MarksState the limitations of Dobereiner's classification.Answerસ્વપ્રયત્નView full question & answer→
Question 122 MarksState two remedies to prevent the corrosion of iron.Answerસ્વપ્રયત્નView full question & answer→
Question 132 MarksWrite two uses of each washing soda and baking soda.Answerસ્વપ્રયત્નView full question & answer→