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Vorticella can first be seen by the naked eye, b.ut to study it place a prepared slide under the microscope. Focus it under low power, and observe it. You can see a large number of specimens attached to aquatic plants or some object by thread-like contractile stalks. Tliey appear like tiny balloons attached by strings. Now focus tlie slide under tlie high power of the microscope, and study tlie following cliaraclers carefully:
i) Vorticella has bell-shaped body with a long slender and conitractile stalk for attachment.
ii) Tlie free broad end of tlie body is the oral end, while the opposite narrow end is the aboral end.
iii) Tlie entire body is covered by a thin pellicle and the protoplasm is clearly distinguisliable into an outer ectoplasm and an inner'endoplasm.
iv) The bell margin is fringed with a circle of cilia, while tlie central Inass forms the peristomial disc, wliicli is separated from tlie margin by a sliallow circular depression called oral groove or peristome.
v) On one side of tlie groove the peristomial groove is extended into tlie interior of tlle bell forming a vestibule or tlie buccal cavity. At tlie inner end, the vestibule opens through the cytostome into the cytopharynx.
Tony Allan Inc is a small manufacturer of metal products in Toronto. The company rents its factory building. It uses a job order costing system because it has a wide variety of p
MARGINAL COSTING As per the Chartered Institute of Management Accountants, London, the phrase 'Marginal cost' means - 'the amount at every given volume of output through which
what is the classification of cost & how it is done?
Direct Material Cost Variances (DMCV) This variance is a general difference in the standard direct material cost and the actual direct material cost. This variance may be prese
Find Out the Memorandum Reconciliation Account The givens are the final accounts of a company for the year ending on date 31st December 1999. Manufacturing Trading Loss and Pr
Opportunity Costs Are Relevant Costs Opportunity cost introduces an additional concept that is not available like part of normal cost analysis in the accounting record system.
Reef Office Supplies is interested in estimating the cost involved in hiring new employees. The following information is available regarding the costs of operating the Human Resour
1. A country has the per-worker production function y t = 6 k t 0.5 where y t is output per worker and k t is the capital-labor ratio. The depreciation rate is 0.1 and t
It may be dispute that in a total quality environment, variance analysis from a standard costing system is redundant.í Talk about the validity of this statement.
Asian Ltd makes three types of gold watch - the Diva (D), the Classic (C) and the Poser (P). A traditional product costing system is used at present; although an activity based cos
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