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A tumbler garden
Grow several kinds of seeds in 'tumbler gardens'. Every pupil might grow a tumbler garden of his own and keep a day by day pictorial record of the progress of the seedlings.
To make a tumbler garden cut a rectangular piece of blotter and fall it inside a drinking glass. Fill the centre of the glass with peat moss, cotton, excelsior, sawdust or some same material. Push a few seeds among the outside of the glass and the blotter. Keep a little water in the bottom of the glass.
Define species according to the biological species concept. What two problems often make this definition impractical?
What are the benefits of high-throughput expression analysis in molecular biological investigations? Ans) These methods permits simultaneous analysis of the expression of a lot
Explain single pan balance and Electronic Digital Balance? Single Pan Balance: This is a very sensitive balance used for weighing quantities less than 10 grams. It accurately w
Explain the Recommended Dietary Allowances - Nutrition? RDA: The RDA is the average daily dietary intake that is sufficient to meet the nutrient requirement of nearly all healt
Aim: To prove that oxygen is evolved during photosynthesis. Apparatus: Beaker, funnel, test tube, water, Hydrilla plants. Procedure: Take a few pieces of Hydrilla plant. Keep a
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how energy enters and then flows through a biologial system?
A biologist examines a series of cells and counts 140 cells in interphase, 10 cells in metaphase, 4 cells in anaphase and 7 cells in telophase. if complete cell cycle requires 24 h
Explain the Mode of Feeding or Nutrition Support? Do you recall studying about the nutrition support methods, namely enteral and perenteral feeding? These two methods form the
Describe the Methods of Assessment The four general principles outlined above, that is, adaptation, brain and behaviour, context, and development serve as the foundation for th
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