Science and Pedagogy is a Science Part-II Graduation (Senior Teacher) topic in the RAS/RPSC syllabus. This page gathers exam-style Science and Pedagogy multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.
Practice 143 Science and Pedagogy multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.
Reviewed by: Aspirant Academy Editorial Team
Q1. In amphibians, cells that form the neural tube come from the
Explanation
During neurulation, the notochord induces the overlying ectoderm to form the neural plate, which folds into the neural tube. Thus the cells forming the neural tube are ectodermal in origin. Therefore option A is correct.
Q2. Nitrogen product produced by the reaction of sodium nitrite and ammonium chloride in aqueous solution is
Explanation
In aqueous solution, sodium nitrite reacts with ammonium chloride to form nitrogen gas, sodium chloride and water. The balanced reaction is NH4Cl + NaNO2 -> N2 + NaCl + 2H2O. Therefore the nitrogen product is nitrogen gas, so C is correct.
Q3. In Science Olympiad, Vivek scored 80 marks. He applied for second attempt after a week. In second attempt also he scored 80 marks. This characteristic of test is known as -
Explanation
Reliability of a test means that its scores remain consistent across different occasions of testing. Vivek scored 80 marks in the first attempt and again scored 80 marks after one week, so the test shows stable results on repeated administration. Therefore, the correct answer is C.
Q4. The gametophytic, non vascular, seedless plants which lack complex tissue organization having alternation of generation are -
Explanation
Mosses are bryophytes. Bryophytes have a dominant gametophyte, lack true vascular tissue and seeds, and reproduce through spores with alternation between gametophyte and sporophyte phases. Ferns are vascular pteridophytes, so the description fits moss; A is correct.
Q5. Buckminster fullerene contains following numbers of five and six membered rings respectively :
Explanation
Buckminsterfullerene, C60, has a truncated-icosahedron or soccer-ball structure. Its carbon cage contains 12 five-membered rings and 20 six-membered rings. Since the question asks these numbers respectively, option B is correct.
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