NEET Biology Strategies for Enhancement in Food Production / खाद्य उत्पादन में वृद्धि के लिए रणनीतियाँ Question Bank

done Chemical Pesticide Total Questions - 59

• question_answer1)
  Houseflies and mosquitoes have become resistant to the
  A)
  BHC done clear
  B)
    Aldrin done clear
  C)
  DDT done clear
  D)
  Malathion done clear
  View Solution play_arrow

• question_answer2)
  The pesticides used in killing the acquatic pests (including insects)  is
  A)
  DDT done clear
  B)
  BHC done clear
  C)
  Kerosene oil only done clear
  D)
  Kerosene crude oil done clear
  View Solution play_arrow

• question_answer3)
  Carbaryl is a
  A)
  Carbamate done clear
  B)
  Organophosphate done clear
  C)
  Azide done clear
  D)
  Pyrethoid done clear
  View Solution play_arrow

• question_answer4)
  The conc. of pesticide require to destroy 50% of pest is called [MP PMT 1993]
  A)
  LD 50 done clear
  B)
  LC 50 done clear
  C)
  LB 50 done clear
  D)
  LE 50 done clear
  View Solution play_arrow

• question_answer5)
  Ratio of \[CuS{{O}_{4}},Ca{{(OH)}_{2}}\] and water in ?Bordeaux mixture' is
  A)
  4 : 4 : 40 done clear
  B)
  4 : 4 : 50 done clear
  C)
  5 : 5 : 40 done clear
  D)
  5 : 5 : 50 done clear
  View Solution play_arrow

• question_answer6)
  Broad spectrum insecticide is
  A)
  DDT done clear
  B)
  Pyrethoids done clear
  C)
  Bordeaux mixture done clear
  D)
   Aldrin done clear
  View Solution play_arrow

• question_answer7)
  Which of the following is a fungicide
  A)
  Thiram done clear
  B)
  Dichlone done clear
  C)
  Capton done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer8)
  Herbicticide derived from urea is
  A)
  Simazine done clear
  B)
  Atrazine done clear
  C)
  Unerin done clear
  D)
  a and b both done clear
  View Solution play_arrow

• question_answer9)
  Which of the following when dissolved in water make(s) Bordeaux mixture [MP PMT 1994; AIIMS 1998; BHU 1998]
  A)
  Copper sulphate done clear
  B)
  Calcium hydroxide done clear
  C)
  Both a and b done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  Mosquito-repelling coils contain [MP PMT 1994]
  A)
  Aluminium phosphide done clear
  B)
  Arsenic done clear
  C)
  Pyrathrin done clear
  D)
  Diethyl bromide done clear
  View Solution play_arrow

• question_answer11)
  Mode of action of following pesticides is similar
  A)
  Organochlorines and organophosphates done clear
  B)
  Organochlorines and carbamates done clear
  C)
  Organophosphates and carbamates done clear
  D)
  DDT and parathion done clear
  View Solution play_arrow

• question_answer12)
  The pesticides most toxic to vertebrates are
  A)
  Organochlorines done clear
  B)
  Organophosphates done clear
  C)
  Carbamates done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer13)
  Which of the following pesticides does not inhibit cholinesterase
  A)
  Malathion done clear
  B)
  Parathion done clear
  C)
  DDT done clear
  D)
  Carbofuran done clear
  View Solution play_arrow

• question_answer14)
  Among pesticides zinc phosphide is used for [MP PMT 1995]
  A)
  Spraying done clear
  B)
  Fumigation done clear
  C)
  Killing weevils done clear
  D)
  Rodents done clear
  View Solution play_arrow

• question_answer15)
  Which one among the following is likely to have the highest levels of DDT depositions in its body [CBSE PMT 1994]
  A)
  Eel done clear
  B)
  Crab done clear
  C)
  Sea gull done clear
  D)
  Phytoplankton done clear
  View Solution play_arrow

• question_answer16)
  Major drawback of DDT as a pesticide is that [CBSE PMT 1994; AFMC 2002]
  A)
  Organisms at once develop resistance to it done clear
  B)
  It is significantly less effective than other pesticides done clear
  C)
  It's cost of production is high done clear
  D)
  It is not easily and rapidly degraded in nature done clear
  View Solution play_arrow

• question_answer17)
  The chemical formula of ?paris green' is
  A)
  \[N{{a}_{3}}Al{{F}_{6}}\] done clear
  B)
  \[{{C}_{8}}{{H}_{10}}{{P}_{2}}{{O}_{7}}\] done clear
  C)
  \[Cu{{({{C}_{2}}{{H}_{3}}{{O}_{2}})}_{2}}.3Cu{{(A{{s}_{2}}{{O}_{2}})}_{2}}\] done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer18)
  Which one of the following pesticide is banned now-a-days [MP PMT 1996; BVP 2003]
  A)
  Aldrin done clear
  B)
  Endrin done clear
  C)
  DDT done clear
  D)
  Toxaphene done clear
  View Solution play_arrow

• question_answer19)
  The first fungicide discovered for plant disease control was
  A)
  Bordeaux mixture done clear
  B)
  DDT done clear
  C)
  Thiram done clear
  D)
  Streptomycin done clear
  View Solution play_arrow

• question_answer20)
  BHC and DDT belong to which class of pesticides   [MP PMT 1997]
  A)
  Organophosphates done clear
  B)
  Organochlorines done clear
  C)
  Carbonates done clear
  D)
  Triazines done clear
  View Solution play_arrow

• question_answer21)
  'Boredeaux mixture' is used as a [BHU 1995; MP PMT 1997; BVP 2004]
  A)
  Fertilizer done clear
  B)
  Fungicide done clear
  C)
  Rodenticide done clear
  D)
  A chemical used in soil testing done clear
  View Solution play_arrow

• question_answer22)
  Organophosphate insecticides inhibit [MP PMT 1998]
  A)
  Cholinesterases done clear
  B)
  Carbohydrases done clear
  C)
  Urease done clear
  D)
  Enterokinase done clear
  View Solution play_arrow

• question_answer23)
  What type of poison is ethylene dichloride [MP PMT 1999]
  A)
  Stomach poison done clear
  B)
  Contact poison done clear
  C)
  Fumigant done clear
  D)
  Biological control done clear
  View Solution play_arrow

• question_answer24)
  Which of the following pesticides is an acetylcholinesterase inhibitor [CBSE PMT 1998; MP PMT 2003]
  A)
  Aldrin done clear
  B)
  Y-BHC done clear
  C)
  Endosulfan done clear
  D)
  Malathion done clear
  View Solution play_arrow

• question_answer25)
  Nobel prize was awarded to Paul Muller on the discovery of which of the following pesticides [MP PMT 2001]
  A)
  Malathion done clear
  B)
  Parathion done clear
  C)
  Pyrethrum done clear
  D)
  DDT done clear
  View Solution play_arrow

• question_answer26)
  Which are the two active ingredients in 'Flit'
  A)
  Malathion and Pyrethrin done clear
  B)
  Carbofuran and Propoxur done clear
  C)
  Malathion and Carbofuran done clear
  D)
  Pyrethrin and Propoxur done clear
  View Solution play_arrow

• question_answer27)
  Bordeaux mixture was first used in:
  A)
  Germany done clear
  B)
  Japan done clear
  C)
  France done clear
  D)
  USA done clear
  View Solution play_arrow

• question_answer28)
  Baygon contains [EAMCET 1989]
  A)
  Malathion done clear
  B)
  Propoxur done clear
  C)
  Carbofuran done clear
  D)
  Aldicarb done clear
  View Solution play_arrow

• question_answer29)
  A carbamate pesticide is
  A)
  Simazine done clear
  B)
  Atrazine done clear
  C)
  Propoxur done clear
  D)
  DDT done clear
  View Solution play_arrow

• question_answer30)
  Which of the following pesticides have been successfully used in the control of locusts and grasshoppers in India
  A)
  Sevin done clear
  B)
  Aldrin done clear
  C)
  Parathion done clear
  D)
  Temik done clear
  View Solution play_arrow

• question_answer31)
  The pesticide used in foundations of buildings for preventing termite attack is
  A)
  DDT done clear
  B)
  BHC done clear
  C)
  Aldrin done clear
  D)
  Endosulphan done clear
  View Solution play_arrow

• question_answer32)
  Which of the following is not an organo-chlorine
  A)
  Endosulphan done clear
  B)
  Malathion done clear
  C)
  DDT done clear
  D)
  Aldrin done clear
  View Solution play_arrow

• question_answer33)
  Which of the following pesticides is employed widely in antimalarial programmes
  A)
  Aldrin done clear
  B)
  Malathion done clear
  C)
  BHC done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer34)
  Mode of pesticide action is similar in
  A)
  DDT and parathion done clear
  B)
  Organochlorines and organophosphates  done clear
  C)
  Organochlorines and carbamates done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer35)
  The chemical present in Temik is
  A)
  Malathion done clear
  B)
  Propoxur done clear
  C)
  Carbofuran done clear
  D)
  Aldicarb done clear
  View Solution play_arrow

• question_answer36)
  Herbicide carbamates are [DPMT 1986]
  A)
  Dithiocarbamates done clear
  B)
  Thiocarbamates done clear
  C)
  Phenyl carbamates done clear
  D)
  Both b and c done clear
  View Solution play_arrow

• question_answer37)
  Bordeaux mixture is named after
  A)
  Scientist done clear
  B)
  Chemical composition done clear
  C)
  Country done clear
  D)
  University done clear
  View Solution play_arrow

• question_answer38)
  The chemical present in flit (finit) is
  A)
  Malathion done clear
  B)
  DDT done clear
  C)
  BHC done clear
  D)
  Aldicarb done clear
  View Solution play_arrow

• question_answer39)
  Carbamates used as fungicides are
  A)
  Thiocarbamates done clear
  B)
  Dithiocarbamates done clear
  C)
  Carbofuran done clear
  D)
  Carbofuran and Aldicarb done clear
  View Solution play_arrow

• question_answer40)
  Pesticides with very low biodegradation but strong affinity for fatty tissues are [AFMC 1988]
  A)
  Triazines done clear
  B)
  Pyrethroids done clear
  C)
  Organochlorines done clear
  D)
  Organophosphates done clear
  View Solution play_arrow

• question_answer41)
  Which pesticides are lipophilic
  A)
  Organochlorines done clear
  B)
  Organophosphates done clear
  C)
  Triazines done clear
  D)
  Pyrethroids done clear
  View Solution play_arrow

• question_answer42)
  Triazines are derived from
  A)
  Ammonia done clear
  B)
  Urea done clear
  C)
  Uric acid done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer43)
  2, 4-D is an effective [CBSE PMT 1996; BHU 1997; MH-CET 2000]
  A)
  Insecticide done clear
  B)
  Herbicide done clear
  C)
  Fungicide done clear
  D)
  Rodenticide done clear
  View Solution play_arrow

• question_answer44)
  Which of the following pesticides are non-biodegradable
  A)
  Triazines done clear
  B)
  Organophosphates done clear
  C)
  Organochlorines done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer45)
  Methyl isocyanate gas is used for synthesizing
  A)
  Temik done clear
  B)
  Baygon done clear
  C)
  Flit done clear
  D)
  Selvin done clear
  View Solution play_arrow

• question_answer46)
  Fumigants are volatile toxicants
  A)
  HCN only done clear
  B)
  HCN and \[C{{S}_{2}}\] only done clear
  C)
  BHC done clear
  D)
  Kerosene spray done clear
  View Solution play_arrow

• question_answer47)
  Which one is not matched [Bihar PMT 1988]
  A)
  Organochlorine-DDT done clear
  B)
  Pyrethroid-Atrazine done clear
  C)
  Organophosphate-Malathion done clear
  D)
  Carbamate-Carbofuran done clear
  View Solution play_arrow

• question_answer48)
  Biological magnification refers to [BVP 2002]
  A)
  Concentration of insecticide in animals done clear
  B)
  Concentration of organophosphate in plants done clear
  C)
  Photography in laboratory done clear
  D)
  Increase in number of animals and plants in ecosystem done clear
  View Solution play_arrow

• question_answer49)
  What is the main problem caused by the use of pesticides [AIEEE 2004]
  A)
  Their residues persists in water and other components of the environment done clear
  B)
  Mosquitoes have become resistant to DDT done clear
  C)
  They kill silkworm done clear
  D)
  They deform the gills of some fishes done clear
  View Solution play_arrow

• question_answer50)
  To which class of pesticides do DDT, BHC, aldrin and endosulphan belong
  A)
  Biopesticides done clear
  B)
  Organochlorines done clear
  C)
  Organophosphates done clear
  D)
  Carbamates done clear
  View Solution play_arrow

• question_answer51)
  Which one among the following is likely to have the highest levels of DDT deposition in its body [CBSE PMT 1994; BVP 2004]
  A)
  Seagull done clear
  B)
  Crab done clear
  C)
  Eel done clear
  D)
  Phytoplankton done clear
  View Solution play_arrow

• question_answer52)
  Endosulphan is a [MP PMT 1996]
  A)
  Herbicide done clear
  B)
  Weedicide done clear
  C)
  Rodenticide done clear
  D)
  Pesticide done clear
  View Solution play_arrow

• question_answer53)
  In India, the most commonly used pesticide BHC is
  A)
  Carbamate done clear
  B)
  Triazine done clear
  C)
  Organochlorine done clear
  D)
  Antibiotic done clear
  View Solution play_arrow

• question_answer54)
  Pyrethrin is extracted from [RPMT 1989; CPMT 1999]
  A)
  Chrysanthemum cinerarifolium done clear
  B)
  Azadirachta indica done clear
  C)
  Derris elliptica done clear
  D)
  Ryania speciosa done clear
  View Solution play_arrow

• question_answer55)
  Drinking of mineral water with very low level of pesticides (about 0.02 ppm) for long periods may [AIIMS 2003]
  A)
  Produce immunity against mosquito done clear
  B)
  Cause leukemia (blood cancer) in most people done clear
  C)
  Cause cancer of the intestine done clear
  D)
  Lead to accumulation of pesticide residues in body fat done clear
  View Solution play_arrow

• question_answer56)
  The most likely reason for the development of resistance against pesticides in insects damaging a crop is   [CBSE PMT 2004]
  A)
  Direct mutation done clear
  B)
  Acquired heritable changes done clear
  C)
  Random mutation done clear
  D)
  Genetic recombination done clear
  View Solution play_arrow

• question_answer57)
  The chemical used in National Malaria Eradication Programme is [BHU 2004]
  A)
  2, 4-D done clear
  B)
  BHC done clear
  C)
  DDT done clear
  D)
  Pyrethroid done clear
  View Solution play_arrow

• question_answer58)
  Bordeaux mixture can be prepared by mixing the copper sulphate with [Manipal 2005]
  A)
  Sodium chloride done clear
  B)
  Milk of calcium done clear
  C)
  Calcium sulphate done clear
  D)
  Lime stone hydode done clear
  View Solution play_arrow

• question_answer59)
  The pesticide useful in the control of aphids, caterpillars, plant bugs and borers is
  A)
  Aldrin done clear
  B)
  DDT done clear
  C)
  Endosulphan done clear
  D)
  BHC done clear
  View Solution play_arrow