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Title: Study Notes For all branches of Biology and Computer Science
Description: The Language used in the notes is very simple. All the topics have been covered and the notes are self explanatory
Description: The Language used in the notes is very simple. All the topics have been covered and the notes are self explanatory
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QUICK REVISION BOTANY AND ZOOLOGY PART-1
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National flower of Indian-Lotus (Nelumbium nuckfera = Nelumbo speciosum)
National fruit of Indian - Mango (Mangifera indica)
Smallest Angiosperm - Wolffia arrhiza, rootless free floating plant
Tallest Gymnosperm-Sequoiadendron sempervirens (=Sequoia gigantea) called
Douglosfir or Californian red wood tree)
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Smallest Gymnosperm - Zamia pygmea (25 cm tall)
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Fastest growing tree-Albizia falcata
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Smallest flower - Wolffia microscopica (duckweed) 0
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Largest flower-Rafflesia amoldi (1mt in dia, wt
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Largest flower of India - Sapria (a root Parasite)
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Largest Coteledons - Capsella Brusa pestoris (Shepherd’s purse)
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6 kg)
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0
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Smallest algae - Chlamydomonas (green alga)
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Smallest fungi - Yeast
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Joker of plant kingdom - Mycoplasma (PPLO)
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A gift of old world to Wheat (Triticum)
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Oldest cultivated crop - Barley (Hordeum vulgare)
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Largest and widest cultivated crop - Rice (Oryza sativa)
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Maximum number of chromosomes in Angiosperms – Poa litorosa 2n = 266
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Largest chromosomes - Trillium govanianum (30 mm)
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Bhojpatra - Betula utilis - Bark of this plant was used to write manuscript in ancient
times
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Red Data book - A book containing information of endangered plants and animals
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Green Data book - A book with list of rare plants growing in protected areas like gardens
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Maximum fruits are provioded by family-Ritaceae
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Maximum ovules per locule in the ovary - Solanaceae
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Telome theory in pteridophytes (
tracheophytes) was given by Zimmerman
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True moss - Cord moss (Funaria), Maiden hair moss (Pogonatum, Peat/Bog moss
sphagnum), hair cap/Pigeon moss (Polytrichum)
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True nuts - Oak nut, Cashewnut, Litchi, Pista, Walnut (Juglans), Chestnut (Castaena)
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Cedarwood oil - Used in oil immesion lens, obtained (Immersion oil) from Juniperus
verginiana
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5 which is equal to glass
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Hing-Gum resin obtained from roots of Ferula asafotida
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Peppermint - From aerial shoots of Mentha piperata
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Lemon grass oil - From Cympodium ( a grass)
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Acita bullaria
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Coir fibre - Mesocarp of Coconut fruit (Cocos nucifera)
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Clove
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Triticale - Synthetic wheat made by intergeneric hybridization between bread wheat
(Triticum aestivum) and Rye (Secale cereale)
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Bengal famine of 1943-Due to leaf spot disease of rice caused by a fungus
Helminthosporium oryzae,
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Largest winges seed - Zononia macrocarpa (measuring upto 10cm)
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Smallest Bryophyte - Zoopsis
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Longest Bryophyte-Fontinalis antipyretica
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Smallest Pteridophyte - Azolla ( a water fern)
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Largest male gometes among all living beings - Cycas
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)
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Heavest wood - Guiacum officinale (vitae)
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Largest cell - Ostrich egg (170x135 m
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Smallest cell like structure - Mycoplasma gellisepticum (0
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5u)
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of chromosomes = 1262 in Ophioglossum (fern) 2n = 1266
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Largest chromosomes - Trillium (30u)
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255u)
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Early blight - Caused by Alternaria Solani
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Powdery mildew - Erysiphe and Uncinula
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Damping of seedling - Caused by Pythium
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Club rot disease of cabbage - Plasmo diophora
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Black rust of wheat - Puccinia Graminis
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De Historia Plantarum written by Theophrastus,
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Genera Plantarum written by Bentham and Hooker
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Roxburgh
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Philosophic zoologic written by Lamarck
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Mycoplasma, also called pleuro pneumonia like organisms (PPLO) have smallest cells
(0
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They contain both DNA and RNA
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They cause various disease in plants such as little leaf disease of brinjal,
Aster yellows, Mulberry dwarf, Citrus greening, Sandal spike, grassy shoot of sugarcane
witches broom and buncy banana
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Due to pleomorphism they are called as Jokers
in microbiological park (Joker of plant kingdom)
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Plant viruses contain RNA but bacteriophages (virus attacking bacteria)
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Cyanophages viruses infect
blue green algae
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In India Prof
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N
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Title: Study Notes For all branches of Biology and Computer Science
Description: The Language used in the notes is very simple. All the topics have been covered and the notes are self explanatory
Description: The Language used in the notes is very simple. All the topics have been covered and the notes are self explanatory