Breeding and Biotechnology-3

Breeding and Biotechonlogy test- 3

1) Seedless watermelons (3n) and bananas (3n) are the achievements of ............. breeding a)Mutation b)Polyploidy c)Hybridization Selection 2) ................. is a triploid variety of tea with larger shoots and drought tolerance a)TV-29 b)TV-39 c)A4 d)Triticale 3) ................ is a hybrid of Wheat and rye a)Raphanobrassica b)Pusa Gaurav c)Sharbati Sonoara d)Triticale 4) Raphano brassica is an ............ by clochine treatment a)Auto tetraploid b)Allotetraploid c)HexPusa Sem d)Diploid 5) ........... is defiend ad the sudden heritable change in the nucleotide sequence of DNA in an organism a)Selection b)Polyploidy. c)Mutation d)Hybridization 6) .............. garden is a concept popularised after world war II for the peaceful use of atomic energy for crop improvement? a)Alpha b)Beta c)Gamma d)None 7) In induced mutation breeding where radioactive soureces particularly gamma rays from .............. are used to induced desirable mutations in crop plants a)Cobalt-60 b)Cobalt-61 c)Ceesium-136 d)cassium-138 8) An example for chemical mutagen is .......................... a)Nitric acid b)Nictrous acid c)Mustard d)Citric acid 9) Sharbati sonora wheat produced from ........ by using gamma rays a)Sonora-46 b)Sonora-54 c)Sonora-56 d)Sonora-64 10) ............. with saline tolerance and pest resistance a)Atomita-2 Rice b)IR8 rice c)Atlas-66 d)Micracle rice 11) ............... is defined as the process of crossing two or more types of plants for bringing their desired character together into one progency a)Selection b)Polyploidy c)Mutation d)Hybridization 12) ................is the first man made cereal a)Sonalika b)Triticale c)Kalyansona d)Sharbatisonora 13) ............................. involves the breeding of animals a) Animal breading b) Animal husbandry c) Silver revolution d) None 14) Pusa shubrha and pusa snowball K-1 are resistance to ................. disease a) Leaf and stipe rust b) Hill bunt c) Bacterial blight d) Black rot 15) .......................... paved the way to develop advanced health care products, diagnostic kits, and food production to improve the quality of human life a) Genetic Engineering b) Bio technology c) Ploidy d) None

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1) b) 2 a) 3) d 4) b 5) c 6) c 7) a 8) b 9) d 10) a 11) d 12) b 13) b 14) d) 15) b

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1) b) 2 a) 3) d 4) b 5) c 6) c 7) a 8) b 9) d 10) a 11) d 12) b 13) b 14) d) 15) b.