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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
151. |
A : Taj Mahal is being destroyed by `SO_(2)` coming from Mathura refinary. R : This converts `CaCO_(3)` into unstable calcium sulphate.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).B. If both Assertion & Reason are ture but the reason is not the correct explanation of the assertion, then mark (2).C. If Assertion is true statement but Reason is false, then mark (3).D. If both Assertion and Reason are false statements, then mark (4). |
Answer» Correct Answer - A | |
152. |
Le Chatelier principle isA. reaction of a system to maintain equilibriumB. feed backC. cyberneticsD. carrying capicity |
Answer» Correct Answer - A | |
153. |
$ Flow of genetic information is through the DNA of the nucleus . ! Central Dogma is represented as follows DNA `overset("Transcription")tomRNA overset("Translation")to` Polypetides and proteinsA. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - A | |
154. |
Squamous epithelium occurs in inner lining ofA. KidneyB. Pancreatic ductC. Lung alveoliD. Heart |
Answer» Correct Answer - C | |
155. |
Viceroy Butterfly resembles Monarch Butterfly. It is an example ofA. Concealing type protective mimicryB. warning type protective mimicryC. alluring type aggressive mimicryD. concealing type aggressive mimicry |
Answer» Correct Answer - B | |
156. |
Stick and Leaf insects resemble the surroundings. They undertake mimicry of the typeA. concealing -protectiveB. warning -protectiveC. alluring -aggressiveD. concealing -aggreassive |
Answer» Correct Answer - A | |
157. |
Flowers of Ophrys resembles female wasp Colpa and are pollinated by male wasp. The flowers show mimicryA. Concealing type protectiveB. warning type protectiveC. alluring type aggressiveD. concealing type aggressive mimicry |
Answer» Correct Answer - C | |
158. |
Air pollution affects:A. LeavesB. rootsC. StemD. Flowers. |
Answer» Correct Answer - A | |
159. |
Water pollution causesA. Increased photosynthesisB. increased deoxygeneration and turbidityC. decreased turbidityD. increased oxygenation . |
Answer» Correct Answer - B | |
160. |
Which pollutant causes leaf curling?A. COB. `H_(2)S`C. `O_(3)`D. `SO_(2)` |
Answer» Correct Answer - D | |
161. |
Osteoporosis will be caused by the pollutantA. chlorineB. bromineC. fluorineD. None of these |
Answer» Correct Answer - C | |
162. |
SPM causesA. respiratory diseaseB. skin diseaseC. bone deformitiesD. All of these |
Answer» Correct Answer - A | |
163. |
Which of the following is not one of the prime health risk associated with greater UV rediation through the atmosphere due to depletion of stratospheric ozone ?A. Reduced Immune SystemB. Damage to eyesC. Increased liver cancerD. Increased skin cancer |
Answer» Correct Answer - C | |
164. |
The reaction caused by UV radiation from sun producesA. OzoneB. `SO_2`C. COD. Fluorides |
Answer» Correct Answer - A UV radiation from sunlight produces ozone. |
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165. |
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?A. Increased Iiver cancerB. Increased skin cancerC. Reduced Immune SystemD. Damage to eyes |
Answer» Correct Answer - A | |
166. |
Allochemic juglone is produced byA. walnutB. sunflowerC. barleyD. muller. |
Answer» Correct Answer - A | |
167. |
(A) : The spectral quality of solar radiation is important for life. (R) : The UV light is beneficial to all organisms.A. If both (A) and (R) are true but (R) is not the correct explanation of (A).B. If both (A) and (R) are true and (R) is the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
Answer» Correct Answer - C | |
168. |
Competitive exclusion principle stating that inferior species is eliminated eventually after prologed competition was given byA. gauseB. hardinC. jaegerD. muller. |
Answer» Correct Answer - A | |
169. |
Third pollution isA. Pollution caused by the addition of an undesirable substance in air, water, soil, or landB. Deterioration in the quality of air, water, soil, etc., due to removal or reduction in the quality of an important or vital ingredientC. Ground water pollution due to seepage of minerals, toxic chemicals, and sewageD. Landscape pollution caused by throwing of rubbish, wastes, and garbage over land |
Answer» Correct Answer - D | |
170. |
Carbosphere comprisesA. atmosphereB. lithosphereC. hydrosphereD. all the above |
Answer» Correct Answer - D | |
171. |
Which relationship is beneficial to both interacting organisms but is not obligatoryA. commensalismB. protocooperationC. mutualimsD. Both B and C |
Answer» Correct Answer - B | |
172. |
The term homeostasis was coined byA. whittakerB. wattC. EltonD. cannon |
Answer» Correct Answer - D | |
173. |
Phosphorus hasA. imperfact nutrient cycleB. perfect nutrient cycleC. gaseous cycleD. mixed cycle. |
Answer» Correct Answer - A | |
174. |
Third pollution isA. Land or landscape pollutionB. controlled tippingC. noise pollutionD. UV pollution |
Answer» Correct Answer - A | |
175. |
Ambient noise level in residential area isA. 75/70 dBB. 65/55 dBC. 55/45 dBD. 50 /45dB |
Answer» Correct Answer - C | |
176. |
The amoung of biogenic nutrient present in the abiotic environment is calledA. standing stateB. standing cropC. detritusD. reserve nutrient |
Answer» Correct Answer - A | |
177. |
The Central Pollution Control Board has recommended zone-wise permissible ambient noise level for residential area during day and night time isA. 75 dn & 70 dbB. 65 db & 55 dbC. 55 db & 45 dbD. 50 db & 40 db |
Answer» Correct Answer - C | |
178. |
Sounds above what level are considered hazardous noise pollution?A. Above 30 dBB. Above 80 dBC. Above 120 dBD. Above 100 dB |
Answer» Correct Answer - B | |
179. |
The undersirable change in the abiotic compound of the body is called pollutants. |
Answer» Correct Answer - F | |
180. |
In India permissible ambient noise level for residential area during night is:A. 45 dBB. 40 dBC. 65 dBD. 55 dB |
Answer» Correct Answer - A | |
181. |
Leptom is the name ofA. Out part of barkB. Living part of barkC. PhloemD. Conducting part of phloem |
Answer» Correct Answer - D | |
182. |
Noise is undersirable low level of sound . |
Answer» Correct Answer - F | |
183. |
All the buses in Delhi run on CNG. |
Answer» Correct Answer - T | |
184. |
Differentiation of callus into plant parts isA. EmbryogenisB. Embryoid fomationC. MorphogensisD. Totipotency |
Answer» Correct Answer - C | |
185. |
Vessels are absent inA. Teak woodB. shisham woodC. chir woodD. saal wood |
Answer» Correct Answer - C | |
186. |
Vegetative shoot apex or stem apical meristem isA. ConicalB. BroadC. Braod and flatD. Norrow |
Answer» Correct Answer - A | |
187. |
The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water becauce of the presence or what is deposited on cork cellsA. CutinB. LigninC. suberinD. Chitin |
Answer» Correct Answer - C | |
188. |
$ In Basidiomycetes, there are preset dikaryotic cells called Synkaryons. ! Four exogenous spored are produced in Ascomycetes.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
189. |
Tectonic isA. volcanosB. earth’s crustC. sand dunesD. Sun |
Answer» Correct Answer - B | |
190. |
Which one of the following statements pertaining to pollutants is correct?A. DDT is a non-biodegradable pollutantB. Excess fluoride in drinking water causes osteoporos is hardening of bones, stiffjointsC. Excess cadmium in drinking water causes black foot diseaseD. Methylmercury in water may cause ‘Itai-Itai’ disease |
Answer» Correct Answer - A | |
191. |
Which one of the following statements pertaining to pollutants is correct?A. DDT is nonbiodegradable pollutantB. Excess fluoride in drinking water causes osteoporosisC. Excess cadmium in drinking water may cause black foot diseaseD. Methyl mercury in water may causes "itai itai" disease. |
Answer» Correct Answer - A | |
192. |
Which one of the following statements pertaining to pollutants is correct?A. DDT is nonbiodegradable pollutant.B. Excess fluoride in drinking water causes osteoporosisC. Excess cadmium in drinking water may cause black foot disease.D. Methyl mercury in water may cause ‘itai itai’ disease. |
Answer» Correct Answer - A DDT is nonbiodegradable pollutant. |
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193. |
Which one of the following statements pertaining to pollutants is correct?A. DDT is a non-biodegradable pollutantB. Excess fluoride in drinking water causes osteoporosisC. Excess cadmium in drinking water causes black foot diseaseD. Methyl mercury in water may cause "itai itai" disease |
Answer» Correct Answer - A | |
194. |
Minamata disease was caused due to the consumption ofA. Sea food containing a lot of cadmiumB. Fish contaminated with mercuryC. Oysters with a lot of pesticideD. Sea food contaminated with selenium |
Answer» Correct Answer - B | |
195. |
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:A. OxygenB. FoodC. LightD. Essential minerals |
Answer» Correct Answer - A | |
196. |
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:A. foodB. lightC. essetial mineralsD. oxygen |
Answer» Correct Answer - D | |
197. |
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:A. foodB. lightC. essential mineralsD. oxygen |
Answer» Correct Answer - C Eutrophication is a process where water bodies receive excess nutrients that stimulate excessive plant growth. This can lead to overcrowding and competition for sunlight, space and oxygen. This condition creates the lacking of essential nutrients for fishes due to which they lie. |
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198. |
The UN Conference of Parties on climate change in the year 2012 was held at:A. DurbanB. DohaC. LimaD. Warsaw |
Answer» Correct Answer - B The UN conference of Parties (COP-18) was the UN framework convention on climate change (UNFCCC) was held in Doha, Qatar from 26th Nov. 60 8th Dec, 2012. |
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199. |
The UN Conference of Parties on climate change in the year 2012 was held at:A. HurbanB. DohaC. LimaD. Warsaw |
Answer» Correct Answer - B The UN conference of panties (COP - 18), the UN Framework Convention on Climate Change (UNFCCC) was held in Doha, Qatar from 26th Nov-8th Dec 2012. |
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200. |
The UN conference of Parties on climate change in the year 2012 was held inA. DurbanB. DohaC. LimaD. Warsaw |
Answer» Correct Answer - B | |