Pharmacy Freak Editorial Team

Principle of centrifugation MCQs With Answer — For B. Pharm students, understanding the principle of centrifugation is essential for pharmaceutical separation, particle characterization, and quality control. This introduction covers centrifugal force, sedimentation, relative centrifugal force (RCF), rotor types, rpm‑to‑g conversion, and factors affecting separation such as particle size, density, viscosity, and temperature. Mastery of centrifugation … Read more

Objectives of centrifugation MCQs With Answer for B. Pharm students: Centrifugation is a core laboratory technique used to separate, concentrate, and purify particles, organelles, and macromolecules based on size, shape, and density. This targeted collection of MCQs focuses on the key objectives of centrifugation—pelleting, clarification, fractionation, and density-gradient separations—while covering rotor types, RCF calculations, operational … Read more

Seidtz filter is an important depth/membrane filtration device widely studied in pharmaceutics for sterilizing and clarifying heat-sensitive liquids. This introduction explains the Seidtz filter principle, construction, working mechanism, practical uses, merits and demerits, and typical operating parameters relevant to B. Pharm students. You will learn about pore structure, flow dynamics, filter aids, pressure and vacuum … Read more

Introduction Membrane filters are essential in pharmaceutical filtration — covering principle, construction, working, uses, merits and demerits — for B.Pharm students preparing for lab work and exams. These thin, porous polymeric or inorganic membranes (PVDF, nylon, PTFE, cellulose acetate, nitrocellulose) operate mainly by size-exclusion and adsorptive mechanisms; common pore sizes are 0.22 µm and 0.45 … Read more

Cartridge filter – principle, construction, working, uses, merits, demerits MCQs With Answer Cartridge filters are essential in pharmaceutical processing for particle removal, sterile filtration and sample clarification. This introduction explains the principle (surface vs depth filtration), construction (housing, end caps, media types like membrane, pleated and depth), working parameters (pore size, flow, differential pressure, integrity … Read more

Meta filter — principle, construction, working, uses, merits, demerits are essential topics for B. Pharm students learning pharmaceutical filtration. This concise introduction explains how meta filters (metallic filters such as woven mesh and sintered metal) function by mechanical sieving and depth retention, describes common construction elements and materials, and outlines typical working conditions. It also … Read more

Rotary drum filter – principle, construction, working, uses, merits, demerits MCQs With Answer The rotary drum filter is a continuous, vacuum-operated solid-liquid separation device widely used in pharmaceutical processing for filtration, cake washing and solvent recovery. This introduction covers the principle of vacuum-driven filtration, drum construction (perforated shell, filter medium, trough, drive), key operating parameters … Read more

Filter leaf systems are vital in pharmaceutical solid–liquid separation, combining principles of cake filtration and mechanical design to yield efficient clarity and product recovery. This concise guide covers the filter leaf principle, construction, working, uses, merits and demerits with focused terminology for B. Pharm students. You will learn about leaf elements, filter cloth, frame, inlet/outlet … Read more

Introduction The plate and frame filter is a widely used piece of filtration equipment in pharmaceutical processing, combining simple construction with effective solid-liquid separation. This guide explains the principle, construction, working, uses, merits and demerits of plate and frame filters, focusing on key concepts such as filter media, cake formation, filtrate flow and filter aids. … Read more

Filter media MCQs With Answer is an essential resource for B. Pharm students preparing for exams and practicals in pharmaceutical filtration. This guide covers filter types (membrane, depth, HEPA, pleated), key properties (pore size, porosity, tortuosity, flux), filtration mechanisms (straining, adsorption, diffusion, cake formation), validation methods (bubble point, pressure-hold, bacterial challenge) and practical considerations (chemical … Read more