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Wednesday, June 27, 2012

PowerPoint Presentation On INDIAN SPACE RESEARCH ORGANIZATION

PPT On ISRO

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Presentation Transcript:
1. INDIAN SPACE RESEARCH ORGANISATION

2. ACTIVITIES
MANUFACTURED AND LAUNCH SATALITES BROADCASTING AND TAKE PICTURES FROM SPACE

3. HEADQUATERS
 KOTA
TRIVENDRAM
BANGLOR
AHEMDABAD
CHANNAI
NAGPUR
NEW DELHI
RURKI
BHOPAL
PUNE
DEHRADUN
UDAIPUR
JODHPUR
LAKHNOW
KANPUR
MUMBAI

4. SHRI HARI KOTA
INTRODUCE BY VIKRAM SARABHAI IN 1962 LAUNCHING CENTER ARYABHATT IS FIRST SATALITE LAUNCHED IN 19 APRIL 1975

5. BANGLOR
DESIGN TESTING LAUNCHING

 6. JODHPUR
REASONAL REMOTE SENSING SERVICE CENTRE INTRODUC ON 28 DEC 1995 APPLICATIONS (FORESTY,AGRECULTURE,LAND USE AND SOIL,GEOLOGY,WATER RESOURCES,ENVOIRENMENT)

 7. DEMOSTRATED APPLICATION
CROP AREA ESTIMATION MULTIPLE CROP IDENTIFICATION FOREST COVER MAPPING SHIFTING CULTIVATION PLANTATION FLOODS ROAD NETWORK MAPPING

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PowerPoint Presentation On Light Microscopy

PPT On Light Microscopy

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Presentation Transcript:
1. Light Microscopy

2. Advantage
Simplicity of setup Allows viewing of live cells Dark or highly colored

3. Specific Use
Suited for utilization Viewing stained or naturally pigmented specimen Useless for some living specimens

 4. Parts of Bright Field Microscope Base – supports the structure Objective lenses- magnify the image. Ocular - magnify the image from the objective lens.

5. Adjustment Knob – course and fine adjustment Arm – support structure Iris Diaphragm Lever- controls the amount of light entering the condenser and to specimen Nosepiece – which are found the objectives. Each objectives can be rotated into place by simply rotating the nosepiece

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PowerPoint Presentation On MICROBIAL EVOLUTION, SYSTEMATIC AND TAXONOMY

PPT On MICROBIAL EVOLUTION, SYSTEMATIC AND TAXONOMY
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Presentation Transcript:
1. MICROBIAL EVOLUTION, SYSTEMATICS AND TAXONOMY

 2. The Origin and Evolution of Life Life originated more than 3.8 billion years ago All of the compounds necessary for life could have formed spontaneously under conditions that existed on the early Earth The history of life spans five intervals of geologic time

3. Conditions on the Early Earth
4.5 billion years ago “Cloud” began to condense 4 billion years ago Crust and mantle formed Primitive atmosphere H2, N2, CO, CO2 , probably no O2 Hot temperatures

 4. STROMOLITES
Stromatolites (3.5 bill. Yr) Rocks with distinctive layer structure Look identical to living mats of microbes Layers of microbes and sediment Top layer uses photosynthesis Lower layers use top layer’s byproducts

5. Early Evolution and Rise of O2
First organisms had simple metabolism Atmosphere was O2 free, must have been anaerobic Probably chemoheterotrophs Obtained nutrients from organic material Obtained nutrients from inorganic material Modern archaea appear to be close to the root of the tree of life Obtaining energy from chemical reactions involving hydrogen, sulfur and iron compounds (all abundant on early Earth)

 6. Early Evolution
Natural selection probably resulted in rapid diversification Modern DNA has enzymes that reduce the rate of mutations RNA is not so lucky, more likely to have copying errors Higher mutation rate in early evolution than now

 7. Photosynthesis
Most important new metabolic process evolved gradually Organisms that lived close to ocean surface probably developed means of absorbing sunlight (UV in particular) Once absorbed, developed method of turning it into energy Modern organisms of purple sulfur bacteria and green sulfur bacteria much like early photosynthetic microbes, use H2S instead of H2O for photosynthesis

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