SST 242: PRINCIPLES OF SEED PRODUCTION Lecture Two Title: Vegetative Propagation Introduction Man has propagated plant material almost as long as he has cultivated the land to produce food. For a long time‚ plant material was propagated mainly by using the seeds of existing plants. Better methods were discovered over time‚ methods that allowed the farmer to retain the desirable qualities of the plant material‚ while eliminating some of the less desirable qualities. Through these methods‚ the
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UNIT I In an observational test one has no control over the independent variable. In an experiment there is an independent and dependent variable‚ and one has control over the independent variable Dependent variable: value depends on that of another‚ what is causing result‚ what you measured. Independent variable: value does NOT depend on that of another Ex: Effect flower color 0n attraction of bees. Ind: flower color‚ Dep: what result is Properties of Life: order‚ evolutionary adaptation‚ response
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ronmentWhat you absolutely need to know for the Regents Exam! The LE Exam consists of approximately 70-75 questions worth a total of 85 points. The exam is broken down into 4 parts: Part A: General knowledge multiple choice questions (30 points) Part B: A mix of multiple choice and short answer‚ dealing with the application of knowledge. So far‚ Part B has always required students to draw a graph. (25 points) Part C: Short answer questions dealing with your ability to apply material learned in
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Syllabus Cambridge O Level Biology Syllabus code 5090 For examination in June and November 2011 Note for Exams Officers: Before making Final Entries‚ please check availability of the codes for the components and options in the E3 booklet (titled “Procedures for the Submission of Entries”) relevant to the exam session. Please note that component and option codes are subject to change. Contents Cambridge O Level Biology Syllabus code 5090 1. Introduction ............................
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[pic] ( - happy with this topic – just need to review ( - not so sure – need to review and revise ( - do not understand - must focus on key issues and seek support |Learning objectives |Understanding | | |( |( |( |Revised
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Major Chemical Properties for Cellular Respiration: We need oxygen at the cellular level for this to be complete. Why do you need oxygen? What is your body trying to do? Your body needs to produce energy‚ which is why you go through these metabolic processes‚ and that’s ultimately why you need oxygen. So we are trying to produce ATP as our energy source. So ultimately your energy cannot be created‚ it only changes form‚ so where does that energy come from in your body? We’re going to convert it into
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Biology Q. 1. Biological organisation starts with: a. Atomic level b. Submicroscopic molecular level c. Cellular level d. Organismic level Sol. Correct choice: (2) Q. 2. About 98 percent of the mass of every living organism is composed of just six elements including carbon‚ hydrogen‚ nitrogen‚ oxygen and: a. calcium and phosphorous b. phosphorus and sulphur c. sulphur and magnesium d. magnesium and sodium Sol. Correct choice: (1) Q. 3. Which one of the following is an example of negative
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Work Sheet Class-VII Subject - Science WORK-SHEET S.A. 1 Chapter - 1 Chapter - 2 Chapter - 3 Chapter - 4 Chapter - 5 Chapter - 6 Chapter - 7 Nutrition is plants Nutrition in animals Fibre to fabric Heat Acids‚ Bases and salts Physical & Chemical Changes Weather‚ Climate and Adaptations of Animals. Prepared by : 1. Jayanti Singh (TGT‚ N.Sc.) GGSS‚ Avantika‚ Sec-1‚ Rohini 19955119 2. Upma Mittal (TGT‚ N.Sc.) GGSSS‚ Samaipur 19890509 Under the guidance of Mrs. Shashi Bala Saini (Principal)
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Viroids are plant pathogens that consist of a short stretch (a few hundred nucleobases) of highly complementary‚ circular‚ single-stranded RNA without the protein coat that is typical for viruses.[1] The smallest discovered is a 220 nucleobase scRNA (small cytoplasmic RNA) associated with the rice yellow mottle sobemovirus (RYMV).[2] In comparison‚ the genome of the smallest known viruses capable of causing an infection by themselves are around 2kilobases in size. The human pathogen hepatitis D is
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Life Processes Mrs.Nerg/Gren Living things have certain life processes in common. There are seven things that they need to do to count as being alive. The phrase MRS GREN is a way to remember them M Movement All living things move‚ even plants R Respiration Getting energy from food S Sensitivity Detecting changes in the surroundings G Growth All living things grow R Reproduction Making more living things of the same type E Excretion Getting rid of waste N Nutrition Taking in and using
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