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    Riccia

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    • 1. Riccia – Structure and Reproduction • Systematic position :Riccia belongs to the family Ricciaceae‚ order Marchantiales‚ class Hepaticopsida and division Bryophyta.The common Indian species are Riccia siliata‚ R. hitra‚ R. discolor‚ R. glauca‚ R. gangetica‚ R.melansspora‚ R. hirta‚ R. crystallina. Habitat or occurrence: The genus Riccia with about 200 species‚ is cosmopolitan in its distribution and commonly grows in moist soils especially during and after rains. Majority of the species are

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    Sump Design

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    THE BASICS OF SUPPLYING NUTRIENTS TO YOUR PLANTED AQUARIUM The environment within the aquarium and condition of the aquatic plant is not constant but changes over time. The aquatic plants will grow beautifully if you carefully select and add liquid fertilizer according to their condition. We will talk about what and when we should add to our planted aquarium in coming weeks. Part 1. Daily Supply Right after setup‚ the aquarium water contains excessive amounts of nitrogen and phosphorus. 2-3

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    20 Pick the odd one out and justify your choice by giving reasons. i) Coelenterates‚ Echinoderms‚ Vertebrates‚ Molluscs 1 mark ii) Chicken‚ Bat‚ Ostrich‚ Penguin 1 mark Q 21 Pick the odd one out and justify your choice by giving reasons. i) Riccia‚ Marsilea‚ Marchantia‚ Funaria 1 mark ii) Crocodile‚ Salamander‚ Sparow‚ Bat 1 mark Q 22 To which major group do the following belong? i) Bat ii) Cycas iii) Plasmodium iv) Mosquito Q 23 To which phyla do the following animals belong?

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    Use and Abuse of Science

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    PART I PHYSICS & CHEMISTRY EXAMPLE FOR DIFFERENT TYPES OF QUESTIONS Instruction: The Question cum answer booklet contains 39 questions including sub question of match the following and main questions. 1. Due to heavy traffic near the school the department of traffic police wants to install automatic traffic lights. This am be done by using the Principle of a) Raman effect b) Radiography c) Holography d) Photoelectric effect 2. Water is to be sterilized for drinking purpose without using any chemicals

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    when x is y

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    Biology 12 3rd Exam Reviewer Exercise 9: The Prokaryotes Prokaryotes are subdivided into archaebacteria and eubacteria. Archaebacteria - no peptidoglycan in cell wall Ex. Halob acterium Eubacteria - has peptidoglycan in cell wall Eubacteria - can be differentiated by Gram staining Gram positive: purple-blue‚ mostly peptidoglycan susceptible to penicillin Gram negative: pink-red‚ less peptidoglycan‚ has lipopolysaccharides‚ susceptible to EDTA Gram negative can be further differentiated into

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    Synopsis – Grade 9 Science Term II Chapter 1: Atoms and Molecules  Law of conservation of mass: Mass can neither be created nor can it be destroyed in a chemical reaction.  Law of constant proportion: A chemical substance always contains the same elements in a fixed proportion by mass‚ irrespective of the source of compound.  Atom: The smallest particle which is the building block of matter.  The symbol of the element is made from one or two letters of the English

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    Diversity in Living Organism

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    Diversity in Living Organisms (Science) |Close X   | |[pic] Classification And Evolution Classification refers to the identification‚ naming‚ and grouping of organisms into a formal system based on similarities in their internal and external structure or evolutionary history. It determines the methods of organizing diversity of life on earth. Therefore‚ classification helps in understanding millions of life forms in detail. Who started the classification of organisms? Let us explore the history of

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    INTRODUCTION                 Bryophytes are non-vascular plants‚ small green‚ simple‚ spore bearing and unique among plants in having relatively large‚ photosynthetic‚ and free living haploid gametophytes‚ and unbranched diploid sporophytes that remain attached to the maternal gametophyte throughout their life span‚ thus‚ it is heteromorphic in their life cycle (Azuelo et al‚ 2012). There  are about 24‚000 bryophyte species worldwide. One division is a Hepatophyta or the liverworts which are tiny

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    My Life

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    CBSE PMT – 2007 SCREENING PHYSICS 7. In the following circuit‚ the output Y for all 1. The primary and secondary coil of a transformer have 50 and 1500 turns respectively. If the magnetic flux φ linked with the primary coil is given by φ = φ0 + 4t‚ where φ is in webers‚ t is time in seconds and φ0 is a constant‚ the output voltage across the secondary coil is (a) 120 volts (b) 220 volts (c) 30 volts (d) 90 volts A beam of electron passes undeflected through mutually perpendicular electric and magnetic

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    Machine Learning Journal (2003) 53:23-69 Theoretical and Empirical Analysis of ReliefF and RReliefF ˇ Marko Robnik-Sikonja (marko.robnik@fri.uni-lj.si) Igor Kononenko (igor.kononenko@fri.uni-lj.si) University of Ljubljana‚ Faculty of Computer and Information Science‚ Trˇ aˇka 25‚ z s 1001 Ljubljana‚ Slovenia tel.: + 386 1 4768386 fax: + 386 1 4264647 Abstract. Relief algorithms are general and successful attribute estimators. They are able to detect conditional dependencies between attributes

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