91.Water filled in two glasses A andB have BOD values of 10 and 20 respectively. The correct statement regarding them. is:- (1)B is more polluted thanA
- (2)A is suitable for drinking, whereas B is not
- (3)Both A and B are suitable for drinking.
- (4)A is more polluted thanB
92.The regions of the atmosphere, where clouds are formed and where we live, respectively, are:- (1)Troposphere and Stratosphere
- (2)Stratosphere and Troposphere
- (3)Troposphere and Troposphere
- (4)Stratosphere and Stratosphere
93.The higher concentration of which gas in air can cause stiffness of flower buds?- (1)NO2
- (2)CO2
- (3)SO2
- (4)CO
94.Mixture of chloroxylenol and terpineol acts as- (1)antiseptic
- (2)antipyretic
- (3)antibiotic
- (4)analgesic.(NEET2017)
95.Among the following the molecule with the highest dipole moment is :- (1)CH3CI
- (2)CH3Cl2
- (3)CHCI3
- (4)CCl4
96.Water samples with BOD values of 4ppm and 18ppm, respectively, are:- (1)Clean and Clean
- (2)Highly polluted and Clean
- (3)Clean and Highly polluted
- (4)Highly polluted and Highly polluted
97.The sweetest artificial sugar among the following is :- (1)Aspartame
- (2)Sucralose
- (3)Alitame
- (4)Sucrose
98.Match List-I with List-II :Choose the most appropriate match:- (1)(a) − (i), (b) − (iii), (c) − (iv), (d) − (ii)
- (2)(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
- (3)(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
- (4)(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
99.Match List I with List II
Choose the correct answer from the options given below:- (1)A-III, B-II, C-IV, D-I
- (2)A-III, B-IV, C-I, D-II
- (3)A-III, B-I, C-II, D-IV
- (4)A-III, B-I, C-IV, D-II
100.Which of the following forms cationic micelles above certain concentration?.- (1)Sodium dodecyl sulphate
- (2)Sodium acetate
- (3)Urea
- (4)Cetyltrimethylammonium bromide (2004)
101.The mass percentage of nitrogen in histamine is _____________- (1)30.84
- (2)45.30
- (3)37.80 to 38.20
- (4)76.40
102.The correct statement in respect of protein haemoglobin is that it- (1)functions as a catalyst for biological reactions
- (2)maintains blood sugar level
- (3)act as an oxygen carrier in the blood
- (4)forms antibodies and offers resistance to diseases
103.The drug, which was designed to prevent the interaction of histamine with the receptors present in the stomach wall is- (1)prontosil
- (2)cimetidine
- (3)aspartame
- (4)equanil
104.Diazo coupling is useful to prepare some- (1)pesticides
- (2)dyes
- (3)proteins
- (4)vitamins.(1994)
105.Chloropicrin is obtained by the reaction of- (1)steam on carbon tetrachloride
- (2)nitric acid on chlorobenzene
- (3)chlorine on picric acid
- (4)nitric acid on chloroform. (2004)
106.The compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is -- (1)Fe4[Fe(CN)6]3
- (2)Na3[Fe(CN)6
- (3)Fe(CN)3
- (4)Na4[Fe(CN)5NOS]
107.Given below are two statements : Statement I : Penicillin is a bacteriostatic type antibiotic. Statement II : The general structure of Penicillin is: Choose the correct option :- (1)Both statement I and statement II are false
- (2)Statement I is incorrect but statement II is true
- (3)Both statement I and statement II are true
- (4)Statement I is correct but statement II is false
108.The number of sp2 hybridised carbons present in ''Aspartame'' is ______- (1)6
- (2)4
- (3)9
- (4)5
109.The correct match between Item-I and Item-II is: Item I (drug) Item II (test) A. Chloroxylenol P. Carbylamine test B. Norethindrone Q. Sodium hydrogencarbonate test C. Sulphapyridine R. Ferric chloride test D. Penicillin S. Bayer’s test- (1)A→R; B→P; C→S; D→Q
- (2)A→Q; B→S; C→P; D→R
- (3)A→R; B→S; C→P; D→Q
- (4)A→Q; B→P; C→S; D→R
110.The reaction used for preparation of soap from fat is :- (1)An addition reaction
- (2)Reduction reaction
- (3)Alkaline hydrolysis reaction
- (4)An oxidation reaction
111.The antifertility drug Novestrol can react with- (1)Br2/water; ZnCl2\HCl; FeCl3
- (2)ZnCl2\HCl; FeCl3; Alcoholic HCN
- (3)Br2/water; ZnCl2/HCl; NaOCl
- (4)Alcoholic HCN; NaOCl; ZnCl2/HCl
112.Match List I with List II. List IA. ZymaseB. DiastaseC. UreaseD. PepsinList III. StomachII. YeastIII. MaltIV. Soyabean Choose the correct answer from the options given below:- (1)A-II,B-III,C-I,D-IV
- (2)A-II, B-III, C-IV, D-I
- (3)A-III, B-II, C-IV, D-I
- (4)A-III, B-II, C-I, D-IV
113.Thermal power plants can lead to:- (1)Eutrophication
- (2)Ozone layer depletion
- (3)Blue baby syndrome
- (4)Acid rain
114.Tincture of iodine is :- (1)aqueous solution of I2
- (2)solution of I2 in aqueous KI
- (3)alcoholic solution of I2
- (4)aqueous solution of KI
115.Match List I with List II List I (Anion)A. CO32−B. S2−C. SO32−D. NO2−List II (Gas evolved on reaction with dil H2SO4)I. Colourless gas which turns lead acetate paper blackII. Colourless gas which turns acidified potassium dichromate solution green.III. Brown fumes which turns acidified KI solution containing starch blue.IV. Colourless gas evolved with brisk effervescence, which turns lime water milky. Choose the correct answer from the options given below:- (1)A-III,B-I,C-II,D-IV
- (2)A-II, B-I, C-IV, D-III
` - (3)A-IV, B-I, C-III, D-II
- (4)A-IV, B-I, C-II, D-III
116.Noradrenaline is a/an:- (1)Antacid
- (2)Neurotransmitter
- (3)Antidepressant
- (4)Antihistamine
117.Which will have higher dipole moment than ?- (1)
- (2)
- (3)
- (4)
118.A mixture of two aromatic compound A and B when dissolve in NaOH, A is soluble and its residue B gives 2, 4 DNP test, identify compound A and B.- (1)Ph–COOH and Ph–OH
- (2)Ph−C∥O−Ph and Ph−NH2
- (3)Ph – OH and Ph−NH2
- (4)Ph – OH and Ph−C∥O−Ph
119.The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was :- (1)Methylisocyanate
- (2)Methylamine
- (3)Ammonia
- (4)Phosgene
120.Which one of the following has the minimum boiling point ?- (1)n-butane
- (2)1-butyne
- (3)1-butene
- (4)Isobutene
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