क्लोरोअॅम्फीनीकॉल हे __________ आहे. (a) संकीर्ण श्रेणीचे (Narrow spectrum) प्रतिजीवक (b) विस्तृत श्रेणीचे (Broad spectrum) प्रतिजीवक (c) मर्यादित श्रेणीचे (Limited spectrum) प्रतिजीवक (d) जंतुनाशक औषध

Think of MPSC Science as a six-quadrant map: (1) Cell biology and biomolecules (DNA, RNA, proteins, cell division); (2) Human physiology and diseases; (3) Plant biology and classification; (4) Physics numericals (motion, electricity, sound, light); (5) Chemistry facts (elements, compounds, everyday products); (6) Applied science and current science affairs. Aspirants who allocate roughly equal attention to each quadrant score more consistently than those who over-invest in one area.

For physics numericals, three formulas do most of the heavy lifting: v = u + at (kinematics), V = IR (Ohm's law), and W = Fs cos θ (work). MPSC rarely pushes beyond one-step substitutions, so identifying which formula applies is more than half the battle. The trap is usually in the units — write the SI unit next to every variable before you compute.

For biology classification, the two mnemonics that carry the most weight are the five-kingdom system (Monera, Protista, Fungi, Plantae, Animalia) and, within Animalia, the nine phyla in evolutionary order (Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Chordata). Being able to place any organism in the correct kingdom-and-phylum eliminates two options instantly.