DNYANSAGAR A I/MCQ/Biofertilizer… · DNYANSAGAR A.nagar 8 ... BIOFERTILIZERS, MEDICINAL PLANT AND MUSHROOM CULTIVATION 14. What should be the temperature of com- ... Any time …

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Dnyansagar MHT-CET Excellent Notes -Biology I Std. - 12th (Science)

BIOFERTILIZERS, MEDICINAL PLANT ANDMUSHROOM CULTIVATION

14. What should be the temperature of com-post when spawning is done ?a) 15 to 200C b) 22 to 250Cc) 30 to 350C d) Not certain.

15. Heterocysts are :a) Biological fertilizersb) Biofertilizersc) Specialized cells for nitrogen fixation.d) Enzymes required for nitrogen fixation

16. Biological fertilizers are obtained froma) Plantsb) Animalsc) Plant and animal residuesd) All of the above.

17. What should be the pH of casing soil ?a) 4 b) 7c) 9 d) Any.

18. Rhizobium enters the plant througha) Leaf b) Stemc) Flower d) Root hair

19. In which of the following stages of de-velopment mushrooms should bepicked?a) Button stage.b) Cup stagec) Flats or open staged) In any stage.

20. Symbiotic biofertilizer is :a) Nitrosomonas b) Rhizobiac) Azotobacter d) Azospirillum

21. Biofertilizers area) Urea b) Potassiumc) Micro-organism d) None of these.

22. Mushroom is a ________a) Parasite b) Saprophytec) Autotroph d) Symbiont.

23. The compound required by Rhizobiumto fix atmospheric nitrogen is called

a) Lectinsb) Alkaloidsc) Glycosided) Leghaemoglobin

24. A mature fruiting body of mushroo hasfollowing partsa) Stipeb) Pileusc) Both a and bd) None from above.

25. BGA are used as biofertilizer in :a) Rice field b) Wheat fieldc) Sugarcane field d) Legume field

26. BGA secretea) Uric acidb) Indole acetic acidc) Alcohold) Antibiotic.

27. The characters of poisonous mushroomarea) Pink sporesb) Brightly colouredc) Hot burning tasted) All the above.

28. The composition of Rhizobiumbiofertilizer isa) Peat + garden soil + Charcoal + Rhizo-

bia cultureb) Lignite + garden soil + FYM + Rhizo-

bia culturec) Both a and bd) peat + garden soil + cow dung + Rhizo-

bia

Ans -(14 - b) (15 - c) (16 - d)(17 - b) (18 - d) (19 - a)(20 - b) (21 - c) (22 - b)(23 - d) (24 - c) (25 - a)(26 - b) (27 - d) (28 - c)

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43. In which of the following parts of Azollais Anabena present ?a) Leaf cavities b) Stem cavitiesc) Stomata d) Nodules

44. Agaricus bisporus can grow in _______a) Tropical regionb) Temperature regionc) Any typed) Desert.

45. Oscillatoria a cyanobacterium yet istinot used as biofertilizer because :a) Its rate of growth is slowb) It releases toxins in waterc) It does not fix nitrogend) It absorbs nutrients and competes with

crop plants.46. A symbiotic nitrogen fixing bacteria is

a) Rhizobium b) Azotobacterc) Anabaena d) Azolla.

47. Which mushroom is less poisonous outof following ?a) Amanita phalloidesb) Amanita muscariac) Russia emiticad) All of the above.

48. Azotabacter biofertilizers are preferredover Rhizobium biofertilizer becausea) They are not host specificb) They are cost effectivec) Azotobacter can be easily culturedd) They add more organic matter to soil

49. Mushrooms contain __________amount of proteina) 100 % b) 10 %c) Negligible d) 20 - 40 %

50. Free living nitrogen fixing bacteria are:

Ans -(43 - a) (44 - b) (45 - c)(46 - a) (47 - c) (48 - a)(49 - d) (50 - c) (51 - c)(52 - a) (53 - d) (54 - c)(55 - a)

a) Azotobacter b) Clostridiumc) Both ‘a’ and ‘b’ d) None of these.

51. An asymbiotic blue-green algae isa) Anabaena b) Azollac) Nostoc d) All of these.

52 Wild mushrooms grow during -a) Rainy seasonb) Summerc) Any timed) In the month of October.

53. The scientific name of Adulsa isa) Adhatoda vasicab) Malbar nut treec) Adhatoda zeylanicad) Both a and c

54 Nitrogen fixation by Rhizobium takesplace in thea) Soilb) Root cellsc) Root nodulesd) Cortex of the root

55. Which of the following used asbiofertilizers in paddy ?a) Non - symbiotic and symbiotic

cyanobacteria.b) Symbiotic and non-symbiotic bacteria.c) Only symbiotic bacteriad) Only non-symbiotic cyanobacteria

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73. Aloe is composed ofa) Barbaloin + Isobarbaloin + Aloe-

emadineb) Barbaloin + Aloe - emadinec) Barbalion + Caryophyllened) Barbaloin + Isobarbaloin

74. Which of the following statement istrue?a) Normal soil is suitable for growth of

mushrooms.b) Mushrooms can be cultivated on all

types of soil.c) Mushrooms can be cultivated in

particular type of soil and at particulartemperature only

d) Mushrooms can not be cultivated insouth India as the temperature is more

75. Choose the plant which gives quickrelief from bronchitis :a) Ocimum b) Adhathodac) Aloe d) Azadirachta.

76. Root nodules are pink colour due toa) Nitrogenaseb) Leghaemoglobinc) Meristematic cellsd) All of these.

77. Which of the following is a goodcompost ?a) Compost with offensive smellb) Wet compostc) Compost with pH4

d) Compost with pH7 and without smellof ammonia.

78. Which are the two main productsobtained from aloe vera ?a) Aloe + Aloe pulpb) Aloe + Aloe gelc) Aloe gel + Aloe powderd) Both b and c

79. What is the period between two‘flushes’ of mushroom crop?a) 3 to 4 daysb) one to two monthsc) 7 to 10 daysd) Not certain

80. ‘Aloin’ is used to cure :a) Eye troubles b) Ear achec) Headache d) Stomachache.

81. Rhizobium enters in the root througha) Root cap b) Root hairc) Lenticel d) Cortex.

82. Root nodules for nitrogen fixation of anon leguminous tree posses ________a) Frankia b) Rhizobiumc) Azotobacter d) Thiobacillus

83. The scientific name of Tulsi isa) Aloe verab) Asparagus racemosusc) Ocimum sanctumd) Azadirachta indica

84. Out of the following medicinal plantswhich is a ‘tree’?a) Ocimum b) Asparagusc) Azadirachta d) Aloe.

85. The bitter component in margosa is :a) Aloin b) Elioc) Nimbidin d) Vasicine.

86. On entering the bacterium, the roothair of leguminous plant isa) Degenerated b) Deactivatedc) Curled d) None of these.

Ans -(73 - a) (74 - c) (75 - b)(76 - b) (77 - d) (78 - b)(79 - c) (80 - a) (81 - b)(82 - a) (83 - c) (84 - a)(85 - c) (86 - c)

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103. Root’s juice of Asparagus is mixed with________ and used in treatment ofcracks in foota) Turmeric b) Cold waterc) Sugar d) Wax

104. The medicinal plant which belongs tofamily Meliaceae is __________a) Azadirachta indiicab) Ocimum sanctumc) Asparagus racemosusd) Adathoda vasica

105. Azadirachta indica belongs to :a) Solanaceae b) Liliaceaec) Acanthaceae d) Meliaceae.

106. Which species of Rhizobium forms rootnodule in the pea plant ?a) R. japonicumb) R. leguminosarumc) R. phaseolid) None of these.

107. The study of action of drugs iscalled________a) Pharmacology b) Mycologyc) Pathology d) Phycology

108. The active principle in neemazadirachtin belongs to the class ofa) Alkaloids b) Essential oilc) Saponins d) Terpenoids

109. Nodulated roots are found ina) Mango b) Pulsesc) Apple d) Mustard

110. The bacteria which directly convertatmospheric nitrogen in to nitrogencompounds are called :a) Denitrifying bacteriab) Nitrogen fixing bacteriac) Putrefying bacteriad) Ammonifying bacteria.

111. Leguminous plant and bacteriumRhizobium shows.a) Parasitic associationb) Saprophytic associationc) Symbiotic associationd) Asymbiotic association.

112. Which one of the a neem product is usedas insect repellent ?a) Rotenone b) Endrinc) Parathion d) Azadirachtin.

113. The bark of neem containsa) Nimbin + Nimbinin + Nimbidinb) Nimbin + Nimbidin + Nimbinin +

Margosinec) Nimbin + Margosined) Nimbinin + Nimbidin

114. Some blue green algae can be used asbiofertilizers becausea) They are photosyntheticb) They have mucilagec) They grow everywhered) They fix nitrogen.

115. Pigment leghaemoglobin acts asa) Nitrogen carrierb) Oxygen carrierc) Nitrogenase activatord) Rhizobium carrier.

116. In casing soil can be replaced bya) Cow dung + clay-loam soilb) Compost + clay-loam soilc) Lime + Peatd) All of the above.

Ans -(103 - d) (104 - a) (105 - d)(106 - b) (107 - a) (108 - b)(109 - b) (110 - b) (111 - c)(112 - d) (113 - a) (114 - d)(115 - b) (116 - b)

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132. Which one is a biofertilizer ?a) VAM b) Sporeinec) Devine d) Agent orange.

133. Mushroom cultivation was started firstina) England b) Francec) Germany d) China

134. Yield of paddy field can be incereasedby application ofa) Iron bacteriab) Nostoc / Anabaenac) Archaebacteriad) Symbiotic bacteria.

135. Spawn is :a) Mycelium of fungusb) Fruiting body of fungusc) Making soil layer on myceliumd) Type of a compost.

136. For remedy on insect bites and leechbites a paste of fresh roots of _______is used.a) Aloe verab) Asparagus racemoususc) Ocimum sanctumd) Adhatoda vasica.

137. A symbiotic association which is notuseful as biofertilizer is ________a) Azolla and Anabaenab) Rhizobium and legume rootc) Fungi and roots of higher plantsd) Algae and fungi.

138. Agaricus bisporus was first cultivatedina) M.P.b) U.P.c) Himachal pradeshd) Punjab

139. Gel obtained from _________ plant isused as moisturizing agent in creamsand lotionsa) Aloe b) Asparagusc) Both a and b d) Lichen.

140. Anthelmintic medicines are those :a) Which kills the wormsb) Which are mild laxativesc) Which are pain killersd) Which relieves the fever.

141. Mushrooms belong to classa) Phyllophyceaeb) Basidiomycetes.c) Chlorophyceaed) None of these.

142. Maha-narayan tel is obtained from rootsofa) Azadirachta indicab) Ociumum sanctumc) Asparagusd) Aloe vera.

143. The optimum temperature requied forAgaricus bisporous isa) 100-150C b) 250- 300Cc) 350- 400C d) 400- 500C

144. ‘Ghrit Kumari’ or ‘Ghikumari’ is com-mon name of ___________a) Aloe vera b) Asparagusc) Adathoda d) Banana

Ans -(132 - a) (133 - b) (134 - b)(135 - a) (136 - c) (137 - d)(138 - c) (139 - a) (140 - a)(141 - b) (142 - c) (143 - b)(144 - a)

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160. Leaves of Ocimum.....the blood choles-terol level.a) Balance b) Increasec) Decrease d) No effect..

161. The ___________ of Aloe is used ingynecological problemsa) Leaf juice b) Leaf pulpc) Leaf decoction d) Leaf poputice.

162. Azolla leaf contains Anabaena ona) Ventral surface b) Dorsal surfacec) Both (a) and (b) d) None of these.

163. Asparagus racemosus isa) An annual herbb) Perennial herbc) branched climberd) Evergreen tree.

164. Azolla is beneficial to paddy fields. Itprovides-a) Oxygenb) Carbon di-oxidec) Methaned) Nitrogen.

165. Mushroom have _______ mode of nutri-tiona) Autotrophic b) Saprophyticc) Parasitic d) Epiphytic.

166. The botanical name of vasica isa) Azadirachta indicab) Azadirachta zeylanicac) Adhatoda zeylanicad) Adhatoda indica.

167. For oyster mushroom cultivation bedsare prepared in _________a) Plastic bags b) Traysc) Pots d) Bucket.

168. Blue-green algae is also called asa) Mycoplasma b) Cyanobacteriac) Green algae d) None of these.

169. The mushroom spawn preparation needsaddition of calcium carbonate abecauseit ______

a) Maintains the pHb) Absorbs excess waterc) Helps in keeping grains separated) All of these.

170. Blue-grenn algae area) Cladothrix, Ulothrix, Gloeotrichab) Cladothrix, Aulosira, Anabenac) Anabena, Nostoc, Chlamydomonasd) Nostoc, spirogyra, gloeotricha.

171. The method of mushroom harvesting isa) Machine liftingb) Cutting with scissorsc) Hand pickingd) Lifting with trowels.

172. Blue-green algae containa) Pseudo cellsb) Parenchymatous cellsc) Totipotent cellsd) Heterocysts.

173. The branch of science that deals with thestudy of drug plants is calleda) Pharmacologyb) Pharmacognosyc) Anatomyd) Phytology.

174. Secondary mycelium of mushroom pro-duces umbrella like structure called as-a) Primary myceliumb) Tertiary myceliumc) Pileusd) Gills.

Ans -(160 - c) (161 - b) (162 - b)(163 - c) (164 - d) (165 - b)(166 - c) (167 - a) (168 - b)(169 - d) (170 - b) (171 - c)(172 - d) (173 - b) (174 - c)

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190. Adhatoda zeylanica containsa) Vasakin b) Nimbinc) Eugenol d) Aloin.

191. Which of the following plants is of agreat medicinal use ?a) Brassica olevaceab) Areca catechuc) Aloe verad) Musa paradisica.

192. Which blue-green algae lacks hetero-cyst ?a) Anabenab) Nostocc) Oscillatoriad) Chlamydomonas.

193. Active principle of oscimum sanctuma) Azadirachtin b) Eugenelc) Barbalain d) Vasicolin.

194. Oxygen carrying substance present inthe root nodules isa) Heterocystb) Leghaemoglobinc) Plasmad) Haemoglobin.

195. Biofertilizers are ________ in nature.a) Fungal b) Algalc) Bacterial d) All of these.

196. Heterocyst containsa) Leghaemoglobinb) Nitrogenasec) Phycocyanind) xanthophyll.

197. BGA occur as symbiont with _______a) Liverworts b) Pteriodophytac) Gymnosperm d) All the Three.

Ans -(190 - a) (191 - c) (192 - c)(193 - b) (194 - b) (195 - d)(196 - b) (197 - d) (198 - d)(199 - a) (200 - b) (201 - c)(202 - b)

198. Mushroom are used in the preparationofa) Soups b) Pizzac) Pickle d) All of these.

199. Which of the following algae is nitro-gen fixer ?a) Nostoc b) Chlorellac) Azolla d) Spirogyra

200. The steroid ........... is extracted frommedicinal plant Asparagus racemousus.a) Azadirachtin b) Saponinc) Vasicine d) Barbaloin

201. Roots show the uterine blocking activ-ity and hence roots of ............ are usedfor the cure of threatened abortion andsafe delivery.a) Aloe verab) Adhatoda vasicac) Asparagus racemosusd) Ocimum sanctum

202. In india, only three genera of mush-rooms are perferred as edible varietiesviz.a) Agaricus, as Lentinus, Plammutinab) Agaricus, Pleurotus, Volvariella.c) Pleurotus, Lycoperdon, Geastrumd) Agaricus, Lentinus, Pleurotus.

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DNYANSAGAR A I/MCQ/Biofertilizer… · DNYANSAGAR A.nagar 8 ... BIOFERTILIZERS, MEDICINAL PLANT AND MUSHROOM CULTIVATION 14. What should be the temperature of com- ... Any time …