Biology Practical Archives

TO PREPARE TEMPORARY SLIDE OF ONION CELL FROM EPIDERMAL PEEL OF ONION BULB

OBJECTIVES MATERIALS REQUIRED Fresh onion bulb, Safranin, Dropper, Glycerol, No. 0 painting round tip brush, forceps, needle, blade, scissor, wash bottle, petri dish, watch glass, cover glass, slide, compound microscope . THEORY Onion cells are commonly used for microscopic studies because they have large and easily observable cells. The onion cell has a rectangular shape […]

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TO PREPARE TEMPORARY SLIDE OF STOMATA FROM VENTRAL PEEL OF DICOT LEAF

OBJECTIVES MATERIALS REQUIRED Fresh leaf of Senna tora (or Bidens pilosa /Tradescantia /Celosia cristata/ Dioscorea bulbifera) or other soft dicot leaf, Safranin, Dropper, Glycerol, No. 0 painting round tip brush, forceps, needle, blade, scissor, wash bottle, petri dish, watch glass, cover glass, slide, compound microscope . THEORY Stomata are specialized structures found on the ventral

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Science Practical Work, Project Work and Report Writing Guidelines for Student

Leave a Comment / Biology Practical, Chemistry Practical, Physics Practical, SCIENCE PRACTICAL / Sugam

What are the relation Between Practical Work, Project Work and Report Writing in Scientific Learning? Characteristic Practical Work Project Work Report Writing Goals To learn the skills and procedures of science To develop inquiry and problem-solving skills To communicate the results of an investigation Structure More structured and teacher-directed More open-ended and student-directed More structured

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TO DEMONSTRATE THAT GREEN LEAF CONTAIN STARCH

Leave a Comment / Biology Practical, SCIENCE PRACTICAL / Sugam

MATERIAL REQUIRED Iodine Solution (Potassium Iodide), Ethanol, Beaker, Green Leaf of Sunny Place, Bunsen burner, Tripod stand with wire gauze. THEORY The process of preparation of food(Glucose/Starch) by green plant by using water and carbon dioxide in presence of sunlight absorbed by chlorophyll is called photosynthesis. The leaf is the chief parts of plant which

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TO DEMONSTRATE THAT OXYGEN IS EVOLVED DURING PHOTOSYNTHESIS.

Leave a Comment / Biology Practical, SCIENCE PRACTICAL / Sugam

MATERIAL REQUIRED Beaker, short stem funnel, test tube, spirogyra or hydrilla plant, sodium bicarbonate. THEORY The process in which green plant prepare their food in their body by using carbon dioxide and water in presence of sunlight absorbed by chlorophyll called photosynthesis. Water + Carbondioxide ➡ Glucose + Oxygen 6H2O + 6CO2 ➡ C6H12O6 +6O2↑

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