MCQOPTIONS
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MCQOPTIONS
This section includes 500 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The heat energy released when water vapour changes to a liquid is called: |
| A. | atent heat of evaporation |
| B. | atent heat of fusion |
| C. | atent heat of fission |
| D. | atent heat of condensation |
| Answer» E. | |
| 152. |
Red Data Book Provides data on |
| A. | ed flowered plants |
| B. | ed colored fishes |
| C. | ists of plants and animals |
| D. | ndangered plants and animals |
| Answer» E. | |
| 153. |
Which of the following is the best indicator of SO2 pollution. |
| A. | ryophyte |
| B. | teridophyte |
| C. | ichen |
| D. | lgae |
| Answer» D. lgae | |
| 154. |
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by: |
| A. | onduction |
| B. | onvection |
| C. | atent heat |
| D. | adiation |
| Answer» E. | |
| 155. |
What is Plankton? |
| A. | icroscopic floating organisms - Plants and animals. |
| B. | ottom dwelling aquatic organisms |
| C. | arge plants in water |
| D. | one |
| Answer» B. ottom dwelling aquatic organisms | |
| 156. |
Which of the processes is used to dispose the radioactive wastes? |
| A. | round storage |
| B. | cean disposal |
| C. | andfills |
| D. | ary based on activity |
| Answer» E. | |
| 157. |
High biological oxygen demand indicates: |
| A. | bsence of microbial pollution |
| B. | oderate microbial pollution |
| C. | ntense level of microbial pollution |
| D. | ll of these |
| Answer» D. ll of these | |
| 158. |
Carbon monoxide is a pollutant because it |
| A. | eacts with 02 |
| B. | eacts with haemoglobin |
| C. | nhibits glycolysis |
| D. | nactivates nervous system A |
| Answer» C. nhibits glycolysis | |
| 159. |
Flora is the__________ life occurring in a particular region or time |
| A. | lant |
| B. | nimal |
| C. | uman |
| D. | icrobial |
| Answer» B. nimal | |
| 160. |
Hypothermia is most common in: |
| A. | ot, humid weather |
| B. | old, wet weather |
| C. | ot, dry weather |
| D. | old, dry weather |
| Answer» C. ot, dry weather | |
| 161. |
The indoor pollutant radon which is a radioactive gas causes |
| A. | ung cancer |
| B. | nemia |
| C. | ormone disorder |
| D. | ardiac arrest |
| Answer» B. nemia | |
| 162. |
The only ape found in India |
| A. | orilla |
| B. | himpanzee |
| C. | oolock gibbon |
| D. | ranguttan |
| Answer» D. ranguttan | |
| 163. |
The destruction of habitat of plants and animals is called |
| A. | ndemism |
| B. | ndangered species |
| C. | abitat loss |
| D. | lood |
| Answer» D. lood | |
| 164. |
What is the major cause of diminishing wildlife number? |
| A. | elling of trees |
| B. | annibalism |
| C. | abitat destruction |
| D. | aucity of drinking water |
| Answer» D. aucity of drinking water | |
| 165. |
_________ refers to the phenomenon in that the organisms are exclusively restricted to a given area. |
| A. | cosystem |
| B. | ndemism |
| C. | abitat |
| D. | ood web |
| Answer» C. abitat | |
| 166. |
In the atmosphere, tiny solid or liquid suspended particles of various composition are called: |
| A. | erosols |
| B. | arcinogens |
| C. | reenhouse gases |
| D. | icrobes |
| Answer» B. arcinogens | |
| 167. |
The dramatic increase in agricultural production that have been made possible by high yield miracle crops are called the |
| A. | iotechnical revolution |
| B. | ioeconomic revolution |
| C. | reen house effect |
| D. | reen revolution |
| Answer» E. | |
| 168. |
When the air temperature is below freezing, the saturation vapour pressure over water is . |
| A. | qual to zero |
| B. | ess than the saturation vapour pressure over ice |
| C. | reater than the saturation vapour pressure over ice |
| D. | qual to the saturation vapour pressure over ice |
| Answer» D. qual to the saturation vapour pressure over ice | |
| 169. |
Which among the following is mobile in nature? |
| A. | rimary productivity |
| B. | econdary productivity |
| C. | PP |
| D. | PP |
| Answer» C. PP | |
| 170. |
The formation of__________ is the most characteristic feature in upper course of a river |
| A. | andslide |
| B. | anyons |
| C. | orges |
| D. | aterfalls |
| Answer» E. | |
| 171. |
Pick out the world's rarest monkey. |
| A. | aboon |
| B. | ommon Marmoset |
| C. | olden langur |
| D. | ibbon |
| Answer» D. ibbon | |
| 172. |
_________ is the phenomenon where the earth retains heat. |
| A. | ir pollution |
| B. | reen house effect |
| C. | lobal effect |
| D. | and pollution |
| Answer» C. lobal effect | |
| 173. |
A slow moving river of solid ice is called |
| A. | elta |
| B. | atershed |
| C. | lacier |
| D. | revasses |
| Answer» D. revasses | |
| 174. |
The biggest award for environmental activities in India is given in the name of an individual. In whose name is it constituted? |
| A. | al Bahadur Shasthri |
| B. | orarji Desai |
| C. | ndira Gandhi |
| D. | amaraj |
| Answer» D. amaraj | |
| 175. |
One third of the global cases of Tuberculosis is in |
| A. | ritain |
| B. | weden |
| C. | ndia |
| D. | hina |
| Answer» D. hina | |
| 176. |
Where was the Stockholm conference on Human Environment held? |
| A. | weden |
| B. | ustria |
| C. | ndia |
| D. | reece |
| Answer» B. ustria | |
| 177. |
The world's biggest GHG emitter is |
| A. | hina |
| B. | SA |
| C. | ndia |
| D. | outh Africa |
| Answer» B. SA | |
| 178. |
Freshwater protozoans react to a/an__________ environment by removing water through _______ |
| A. | ypotonic, turgor pressure |
| B. | sotonic, a contractile vacuole |
| C. | ypertonic, a contractile vacuole |
| D. | ypotonic, a contractile vacuole |
| Answer» E. | |
| 179. |
The combustion of waste in the absence of Oxygen is called |
| A. | aemolysis |
| B. | yrolysis |
| C. | ydrolysis |
| D. | one |
| Answer» C. ydrolysis | |
| 180. |
All of the following are advantages of dams except |
| A. | lood control |
| B. | ecreation |
| C. | ydroelectric power |
| D. | nhancing natural spawning patterns of fish |
| Answer» E. | |
| 181. |
Green revolution is associated with _________ |
| A. | ericulture |
| B. | griculture |
| C. | ish culture |
| D. | ilviculture |
| Answer» C. ish culture | |
| 182. |
When is the World Wildlife week ? |
| A. | irst week of September |
| B. | ast week of September |
| C. | irst week of October |
| D. | ast week of October |
| Answer» D. ast week of October | |
| 183. |
Which of the following is not an indicative biological trait for the trait of ecology? |
| A. | ish reproductive strategy |
| B. | abitat |
| C. | eeding behavior |
| D. | ish stream size preference |
| Answer» B. abitat | |
| 184. |
Red sea is an example of a ________structure. |
| A. | olded |
| B. | ava |
| C. | aulted |
| D. | esidual |
| Answer» D. esidual | |
| 185. |
Zoos are examples for |
| A. | n-situ conservation |
| B. | n-vivo conservation |
| C. | x-situ conservation |
| D. | xvivo conservation |
| Answer» D. xvivo conservation | |
| 186. |
First National Park in India |
| A. | im Corbett National Park |
| B. | andipur National Park |
| C. | ir National Park |
| D. | underbans National Park |
| Answer» B. andipur National Park | |
| 187. |
Organisms having the potential for interbreeding and producing fertile offspring is called |
| A. | lass |
| B. | rder |
| C. | enus |
| D. | pecies |
| Answer» E. | |
| 188. |
Ecotype is a type of species in which environmentally induced variations are |
| A. | emporary |
| B. | enetically fixed |
| C. | enetically not related |
| D. | one of the above |
| Answer» C. enetically not related | |
| 189. |
The portion of the earth and its environment which can support life is known as _________ |
| A. | rust |
| B. | iosphere |
| C. | xosphere |
| D. | tmosphere |
| Answer» C. xosphere | |
| 190. |
The resources that can be replaced by natural ecological cycle is called |
| A. | enewable |
| B. | on-renewable |
| C. | xhaustible |
| D. | atural |
| Answer» B. on-renewable | |
| 191. |
The maximum in daytime surface temperature typically occurs _______ the earth receives its most intense solar radiation. |
| A. | efore |
| B. | fter |
| C. | xactly when |
| D. | ong time |
| Answer» C. xactly when | |
| 192. |
Algal bloom results in |
| A. | lobal warming |
| B. | alination |
| C. | utrophication |
| D. | iomagnification |
| Answer» D. iomagnification | |
| 193. |
In an aquatic ecosystem, the depth to which light penetrates is called |
| A. | photic |
| B. | hotic |
| C. | uphotic |
| D. | onphotic |
| Answer» C. uphotic | |
| 194. |
Fungi is/are |
| A. | ingle-celled prokaryotes |
| B. | hototrophic eukaryotes |
| C. | ukaryotes single-celled and primitive multi-celled organisms |
| D. | eterotrophic eukaryotes |
| Answer» E. | |
| 195. |
_________ mixed with diesel reduces carbon monoxide emissions up to 50%. |
| A. | ethanol |
| B. | lcohol |
| C. | thanol |
| D. | henol |
| Answer» D. henol | |
| 196. |
Biogas is composed of |
| A. | ethane, carbon dioxide, nitrogen and hydrogen |
| B. | arbon dioxide, nitrogen and hydrogen |
| C. | thane, carbon dioxide, nitrogen and hydrogen |
| D. | ethane, carbon dioxide, nitrogen and sulphur |
| Answer» B. arbon dioxide, nitrogen and hydrogen | |
| 197. |
The components of LPG are _____________ |
| A. | ethane & Hexane |
| B. | ropane & Butane |
| C. | thane & Methane |
| D. | ropane & Ethane |
| Answer» C. thane & Methane | |
| 198. |
Which tree is known as Coral tree? |
| A. | uercus |
| B. | ipterocarps |
| C. | rythrina |
| D. | izypus |
| Answer» D. izypus | |
| 199. |
The primary source of energy for the earth's atmosphere is: |
| A. | nergy from within the earth |
| B. | he sun |
| C. | rupting volcanoes |
| D. | ightning discharges associated with thunderstorms |
| E. | atent heat released during the formation of hurricanes |
| Answer» C. rupting volcanoes | |
| 200. |
Which among the following result in the formation of soil? |
| A. | adiation |
| B. | eathering |
| C. | rosion |
| D. | ollution |
| Answer» C. rosion | |