NEET Biology Biotechnology And Its Applications Question Bank

done Genetic Conservation Total Questions - 42

• question_answer1)
  Post-Vavilov mega diversity centre is
  A)
  Australia done clear
  B)
  Siberia done clear
  C)
  Andamans done clear
  D)
  Tibet done clear
  View Solution play_arrow

• question_answer2)
  The number of centres of origin of crop plants recognised by Vavilov is
  A)
  8 done clear
  B)
  11 done clear
  C)
  7 done clear
  D)
  21 done clear
  View Solution play_arrow

• question_answer3)
  Potato famine of Ireland was caused by the attack of fungus
  A)
  Phytophthora palmivora done clear
  B)
  Plasmopara viticola done clear
  C)
  Puccinia graminis done clear
  D)
  Phytophthora infestans done clear
  View Solution play_arrow

• question_answer4)
  Natural resistance to late blight of Potato is present in
  A)
  Solanum tuberosum done clear
  B)
  Solanum acaule done clear
  C)
  S. demissum done clear
  D)
  S. stoloniferum done clear
  View Solution play_arrow

• question_answer5)
  In situ conservation is carried out through
  A)
  National parks done clear
  B)
  Wild life sanctuaries done clear
  C)
  Biosphere reserves done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer6)
  Ex situ conservation is carried out through
  A)
  Funneling the threatened species into trade done clear
  B)
  Offsite collections done clear
  C)
  Gene banks done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer7)
  Gene banks comprise
  A)
  Seed banks, orchards, tissue culture and cryopreservation done clear
  B)
  Seed banks, tissue culture and cryopreservation done clear
  C)
  Seed banks and cryopreservation done clear
  D)
  Tissue culture and cryopreservation done clear
  View Solution play_arrow

• question_answer8)
  Orthodox seeds can be preserved for long periods at a temperature of
  A)
  \[{{196}^{o}}C\] done clear
  B)
  \[{{10}^{o}}\] to \[{{20}^{o}}C\] done clear
  C)
  \[{{0}^{o}}\] \[\text{ }{{4}^{o}}C\] done clear
  D)
  \[{{10}^{o}}\] to \[{{15}^{o}}C\] done clear
  View Solution play_arrow

• question_answer9)
  Dwarfing gene of wheat is
  A)
  Pal-1 done clear
  B)
  Atomita-1 done clear
  C)
  Norin-10 done clear
  D)
  Pelita-2 done clear
  View Solution play_arrow

• question_answer10)
  The three topmost major crops of the world in the order of total production are
  A)
  Wheat > Rice > Maize done clear
  B)
  Rice > Wheat > Maize done clear
  C)
  Wheat > Maize > Rice done clear
  D)
  Rice > Maize >Wheat done clear
  View Solution play_arrow

• question_answer11)
  Maximum genetic diversity of crop plants occurs where agriculture is
  A)
  Run on commercial lines done clear
  B)
  Advanced done clear
  C)
  Rainfed done clear
  D)
  Primitive done clear
  View Solution play_arrow

• question_answer12)
  Which one will be searched for obtaining maximum genetic diversity
  A)
  Recent varieties done clear
  B)
  Old varieties done clear
  C)
  Wild relatives done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer13)
  Cryopreservation is carried out at
  A)
  \[{{10}^{o}}\] to \[{{20}^{o}}C\] done clear
  B)
  \[{{50}^{o}}\] to \[{{60}^{o}}C\] done clear
  C)
  \[{{196}^{o}}C\] done clear
  D)
  \[{{100}^{o}}C\] done clear
  View Solution play_arrow

• question_answer14)
  Co-varieties of sugarcane obtained red rot resistance from
  A)
  Saccharum munja done clear
  B)
  S. spontaneum done clear
  C)
  S. arundinaceum done clear
  D)
  S. edula done clear
  View Solution play_arrow

• question_answer15)
  A gift from New World to Old World is [DPMT 1980]
  A)
  Barley done clear
  B)
  Rice done clear
  C)
  Wheat done clear
  D)
  Maize done clear
  View Solution play_arrow

• question_answer16)
  Which plant was introduced from Old World to New World [DPMT 1983]
  A)
  Potato done clear
  B)
  Rice done clear
  C)
  Corn done clear
  D)
  Sweet Potato done clear
  View Solution play_arrow

• question_answer17)
  Dwarf Wheat varieties brought into India from Mexico were [DPMT 1986]
  A)
  Sonora-64 and Sonalika done clear
  B)
  Sharbati Sonora and Pusa Lerma done clear
  C)
  Sonalika and Sharbati Sonora done clear
  D)
  Sonora-64 and Lerma Rojo-64 done clear
  View Solution play_arrow

• question_answer18)
  Wheat varieties collected by Vavilov were [MP PMT 1986]
  A)
  26000 done clear
  B)
  2600 done clear
  C)
  4600 done clear
  D)
  260 done clear
  View Solution play_arrow

• question_answer19)
  Germplasm is contained in [MP PMT 1986]
  A)
  Somatic cells done clear
  B)
  Growing points done clear
  C)
  Reproductive cells done clear
  D)
  Both a and c done clear
  View Solution play_arrow

• question_answer20)
  Which one will be best for germplasm collection [APMEE 1987]
  A)
  Britain done clear
  B)
  France done clear
  C)
  Portugal done clear
  D)
  Peru done clear
  View Solution play_arrow

• question_answer21)
  Dwarf Wheats were evolved by [RPMT 1987]
  A)
  Swaminathan done clear
  B)
  Vavilov done clear
  C)
  Khush done clear
  D)
  Borlaug done clear
  View Solution play_arrow

• question_answer22)
  In a gene bank, genetic material is stored as [DPMT 1986]
  A)
  Genes done clear
  B)
  Seeds done clear
  C)
  Vegetative material/tissue culture done clear
  D)
  Both b and c done clear
  View Solution play_arrow

• question_answer23)
  Genetic erosion is due to [CBSE PMT 1989]
  A)
  Deforestation done clear
  B)
  Shifting cultivation done clear
  C)
  Adoption of genetically uniform varieties done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer24)
  Virus free clones are obtained from [RPMT 1988; CPMT 1995; BHU 1996; DPMT 1997]
  A)
  Callus done clear
  B)
  Embryoids done clear
  C)
  Haploid culture done clear
  D)
  Shoot tip culture done clear
  View Solution play_arrow

• question_answer25)
  Ginkgo biloba is not now an endangered species because of its [MP PMT 1989; CET Chd. 1994]
  A)
  Ex-situ conservation done clear
  B)
  Offsite conservation done clear
  C)
  In situ conservation done clear
  D)
  Cryopreservation done clear
  View Solution play_arrow

• question_answer26)
  An orthodox seed is one which can [APMEE 1988]
  A)
  Tolerate dehydration and low temperature done clear
  B)
  Tolerate low temperature but not dehydration done clear
  C)
  Tolerate dehydration but not low temperature done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer27)
  A plant introduced from New World to Old World is [NCERT 1983; RPMT 1988; CBSE PMT 1993]
  A)
  Rice done clear
  B)
  Sugarcane done clear
  C)
  Potato done clear
  D)
  Wheat done clear
  View Solution play_arrow

• question_answer28)
  Preserving germplasm in frozen state is [MP PMT 1994; AMU 1998]
  A)
  Cryopreservation done clear
  B)
  Cold storage done clear
  C)
  In situ preservation done clear
  D)
  Vernalisation done clear
  View Solution play_arrow

• question_answer29)
  Producing new plants by cells instead of seeds is [MP PMT 1994]
  A)
  Tissue culture done clear
  B)
  Biofertilizer done clear
  C)
  Amphimixis done clear
  D)
  meromixis done clear
  View Solution play_arrow

• question_answer30)
  In India, the largest herbarium is located at [RPMT 1995,96]
  A)
  Dehradun done clear
  B)
  Delhi done clear
  C)
  Lucknow done clear
  D)
  Calcutta done clear
  View Solution play_arrow

• question_answer31)
  Which of the following countries is the centre of origin of Rice [MP PMT 1995]
  A)
  India done clear
  B)
  Japan done clear
  C)
  Indo-Malayan region done clear
  D)
  Russia done clear
  View Solution play_arrow

• question_answer32)
  Central Sugarcane Breeding Research Institute is situated at [MP PMT 1995]
  A)
  Coimbatore done clear
  B)
  Lucknow done clear
  C)
  Delhi done clear
  D)
  Bhopal done clear
  View Solution play_arrow

• question_answer33)
  RR-21 is high yielding variety of [MP PMT 1995]
  A)
  Rice done clear
  B)
  Wheat done clear
  C)
  Gram done clear
  D)
  Sugarcane done clear
  View Solution play_arrow

• question_answer34)
  A plant species threatened with extinction can be preserved in [CPMT 1996]
  A)
  Herbarium done clear
  B)
  National Park done clear
  C)
  Botanical Garden done clear
  D)
  Gene Bank done clear
  View Solution play_arrow

• question_answer35)
  An extinct species can be genetically preserved in [CPMT 1996]
  A)
  Gene Bank done clear
  B)
  National park done clear
  C)
  Herbarium done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer36)
  A living fossil is [CBSE PMT 1996]
  A)
  Gnetum done clear
  B)
  Ginkgo done clear
  C)
  Riccia done clear
  D)
  Pinus done clear
  View Solution play_arrow

• question_answer37)
  Reproducing plants by cells instead of seeds is [AMU 1998]
  A)
  Tissue culture done clear
  B)
  Not possible done clear
  C)
  Mutation done clear
  D)
  Amphimixis done clear
  View Solution play_arrow

• question_answer38)
  A place where endangered genetic materials of plants are kept is [CBSE PMT 2000]
  A)
  Gene library done clear
  B)
  Gene bank done clear
  C)
  Gene pool done clear
  D)
  Herbarium done clear
  View Solution play_arrow

• question_answer39)
  Wild varieties of plants must be conserved to [CBSE PMT 2000; Har. PMT 2000]
  A)
  Maintain ecosystem done clear
  B)
  Feeding wild animals done clear
  C)
  Future evolution done clear
  D)
  Incorporate useful traits in future crop varieties done clear
  View Solution play_arrow

• question_answer40)
  The concept of "Centres of Origin of Cultivated Plants" was given by [Kerala 2000]
  A)
  Swaminathan done clear
  B)
  Mendel done clear
  C)
  Vavilov done clear
  D)
  Borlaug done clear
  View Solution play_arrow

• question_answer41)
  What for is Kew, London, famous [Wardha 2001]
  A)
  Largest herbarium done clear
  B)
  Largest National Park done clear
  C)
  Largest Biological Reserve done clear
  D)
  Maximum diversity of flora and fauna done clear
  View Solution play_arrow

• question_answer42)
  The top four crops of the world in terms of annual production belong to the families [AIEEE 2003]
  A)
  Poaceae and solanaceae done clear
  B)
  Poaceae and fabaceae done clear
  C)
  Brassicaceae and poaceae done clear
  D)
  Fabaceae and asteraceae done clear
  View Solution play_arrow