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.
| 101. |
The order of succession in a lithosere or xerosere is |
| A. | oliose lichen stage->Crustose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community) |
| B. | rustose lichen stage->Foilose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community) |
| C. | oss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community) |
| D. | rustose lichen stage->Foilose lichen stage->moss stage-> ->shrub stage-> herb stage->forest stage (climax community) |
| Answer» C. oss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community) | |
| 102. |
The carrying capacity of a population is determined by its |
| A. | opulation growth rate |
| B. | atality |
| C. | ortality |
| D. | imiting resources |
| Answer» E. | |
| 103. |
In July, at middle latitudes in the Northern Hemisphere, the day is ____ long and is ____ with each passing day. |
| A. | ess than 12 hours; getting longer |
| B. | ess than 12 hours; getting shorter |
| C. | ore than 12 hours; getting longer |
| D. | ore than 12 hours; getting shorter |
| Answer» E. | |
| 104. |
Water heats up ______ and cools off _____ than land. |
| A. | ore quickly, more quickly |
| B. | ore quickly, more slowly |
| C. | ore slowly, more quickly |
| D. | ore slowly, more slowly |
| Answer» E. | |
| 105. |
The relationship between nitrogen fixing bacteria and leguminous plants is an example for |
| A. | arasitism |
| B. | redation |
| C. | utualism |
| D. | ommensalism |
| Answer» D. ommensalism | |
| 106. |
An association between two individuals or populations where both are benefitted and where neither can survive without the other is |
| A. | ompetition |
| B. | ommensalism |
| C. | utualism |
| D. | rotocoperation |
| Answer» D. rotocoperation | |
| 107. |
Energy flow in ecosystem is |
| A. | nidirectional |
| B. | idirectional |
| C. | ultidirectional |
| D. | one of the above |
| Answer» B. idirectional | |
| 108. |
Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be: |
| A. | bout the same as predicted but will occur earlier in the night |
| B. | igher than predicted due to the release of latent heat |
| C. | uch lower than predicted due to radiational cooling |
| D. | igher than predicted due to mixing |
| Answer» E. | |
| 109. |
Carbon monoxide is a pollutant because |
| A. | t reacts with O2 |
| B. | t inhibits glycolysis |
| C. | akes nervous system inactive |
| D. | eacts with haemoglobin |
| Answer» E. | |
| 110. |
The movement "Pani Panjayath" was initiated to conserve waters in the drought prone areas of _______state. |
| A. | amilnadu |
| B. | ajasthan |
| C. | aharashtra |
| D. | arnataka |
| Answer» D. arnataka | |
| 111. |
When human body is infected by infection__________ type of cells are activated to defend the body. |
| A. | rythrocytes |
| B. | eukocytes |
| C. | ymphocytes |
| D. | onocytes |
| Answer» D. onocytes | |
| 112. |
What is troposphere? |
| A. | ortion of air |
| B. | ortion of water |
| C. | owest layer of atmosphere where we survive |
| D. | ortion of sky |
| Answer» D. ortion of sky | |
| 113. |
Salim Ali Centre for Ornithology and Natural history is located at ______ |
| A. | une |
| B. | yderabad |
| C. | erala |
| D. | oimbatore |
| Answer» E. | |
| 114. |
Which state proposed a ban on all types of polythene packing for the first time in India? |
| A. | imachal Pradesh |
| B. | adhya Pradesh |
| C. | erala |
| D. | arnataka |
| Answer» B. adhya Pradesh | |
| 115. |
Oil spills are a source of pollution for |
| A. | ater |
| B. | and and water |
| C. | and and air |
| D. | ir and noise |
| Answer» C. and and air | |
| 116. |
In which Indian state is Corbett National park located |
| A. | adya Pradesh |
| B. | ttarakhand |
| C. | erala |
| D. | amilnadu |
| Answer» C. erala | |
| 117. |
The temperature scale where 0o represents freezing and 100o boiling: |
| A. | ahrenheit |
| B. | elsius |
| C. | elvin |
| D. | bsolute |
| Answer» C. elvin | |
| 118. |
Point Calimere sanctuary is situated in which state? |
| A. | amil Nadu |
| B. | erala |
| C. | arnataka |
| D. | ujarat |
| Answer» B. erala | |
| 119. |
On which date was the Stockholm Conference on Human Environment held? |
| A. | uly 6th 1974 |
| B. | ug 8th 1976 |
| C. | une 5th 1972 |
| D. | ec 12th 1990 |
| Answer» D. ec 12th 1990 | |
| 120. |
The World Wetlands Day is celebrated on ________ |
| A. | ebruary 02 |
| B. | ebruary 28 |
| C. | une 05 |
| D. | arch 21 |
| Answer» B. ebruary 28 | |
| 121. |
When it is January and winter in the Northern Hemisphere, it is ______and ________in the Southern Hemisphere. |
| A. | anuary and summer |
| B. | anuary and winter |
| C. | uly and winter |
| D. | uly and summer |
| Answer» B. anuary and winter | |
| 122. |
Noise is measured using sound meter and the unit is |
| A. | ertz |
| B. | ecibel |
| C. | oule |
| D. | ound |
| Answer» C. oule | |
| 123. |
The source of aerosol in upper atmosphere is |
| A. | ea currents |
| B. | etroleum based industries |
| C. | et planes |
| D. | uminants |
| Answer» D. uminants | |
| 124. |
From which language did the word Tsunami originate? |
| A. | hinese |
| B. | orean |
| C. | apanese |
| D. | alayan |
| Answer» D. alayan | |
| 125. |
_______ tree is known as "flame of the forest"? |
| A. | izyphus |
| B. | utea monosperma |
| C. | ackfruit |
| D. | ongamea |
| Answer» C. ackfruit | |
| 126. |
_______ species is known as Azadirachta Indica. |
| A. | eem |
| B. | ango |
| C. | ackfruit |
| D. | anana |
| Answer» B. ango | |
| 127. |
Human population growth curve is a: |
| A. | shaped curve |
| B. | arabola curve |
| C. | shaped curve |
| D. | ig zag curve |
| Answer» D. ig zag curve | |
| 128. |
The Red Data book which lists endangered species is maintained by |
| A. | NO |
| B. | HO |
| C. | UCN |
| D. | WF |
| Answer» D. WF | |
| 129. |
The climate of a given region is |
| A. | verage temperature and precipitation conditions for every day of the year in a given region |
| B. | verage temperature and precipitation conditions |
| C. | ts weather patterns |
| D. | ts weather |
| Answer» B. verage temperature and precipitation conditions | |
| 130. |
When a liquid thermometer is held in direct sunlight, |
| A. | t will accurately measure the air temperature |
| B. | t will measure a much higher temperature than that of the air |
| C. | t will measure a much lower temperature than that of the air |
| D. | t will measure the temperature of the sun rather than the air |
| Answer» C. t will measure a much lower temperature than that of the air | |
| 131. |
According to Wein's displacement law, the wavelength at which maximum radiation occurs |
| A. | s inversely proportional to the temperature |
| B. | s proportional to the temperature |
| C. | s inversely proportional to the pressure |
| D. | s proportional to the pressure |
| Answer» B. s proportional to the temperature | |
| 132. |
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion? |
| A. | rchard heaters |
| B. | ind machines |
| C. | rrigation (cover the area with water) |
| D. | ll of the above |
| Answer» E. | |
| 133. |
Blue revolution is associated with |
| A. | griculture |
| B. | ron and steel |
| C. | rrigation |
| D. | ishing |
| Answer» E. | |
| 134. |
Water used for paper mills should not contain |
| A. | agnesium |
| B. | odium |
| C. | ron |
| D. | hlorine |
| Answer» D. hlorine | |
| 135. |
Low level ozone is referred to as__________ ozone. |
| A. | ropospheric |
| B. | tratospheric |
| C. | onosperic |
| D. | xospheric |
| Answer» B. tratospheric | |
| 136. |
Conservation within the natural habitat is |
| A. | nsitu conservation |
| B. | xsitu conservation |
| C. | nvivo conservation |
| D. | xvivo conservation |
| Answer» B. xsitu conservation | |
| 137. |
The order of basic processes involved in succession is |
| A. | udation->Invasion-> competition and co action->reaction>stabilization |
| B. | udation->stabilization-> competition and co action->Invasion>reaction |
| C. | nvasion-> Nudation->competition and co action->Reaction>stabilization |
| D. | nvasion->stabilization-> competition and co action->Reaction>nudation |
| Answer» B. udation->stabilization-> competition and co action->Invasion>reaction | |
| 138. |
The process of successful establishment of the species in a new area is called |
| A. | ere |
| B. | limax |
| C. | nvasion |
| D. | cesis |
| Answer» E. | |
| 139. |
A high density of elephant population in an area can result in |
| A. | utualism |
| B. | ntraspecific competition |
| C. | nterspecific competition |
| D. | redation on one another |
| Answer» C. nterspecific competition | |
| 140. |
Environmental education should be in _______ approach. |
| A. | nterdependent |
| B. | nterpreting |
| C. | nterdisciplinary |
| D. | alanced |
| Answer» D. alanced | |
| 141. |
Euro II standard refers to _________ |
| A. | owering sulfur content in fuel |
| B. | ncreasing sulfur content in fuel |
| C. | owering carbon content in fuel |
| D. | ncreasing carbon content in fuel |
| Answer» D. ncreasing carbon content in fuel | |
| 142. |
Thorn-forests are found in the _______ regions. |
| A. | emi-arid |
| B. | igh rain fall areas |
| C. | ow temperature |
| D. | rozen areas |
| Answer» B. igh rain fall areas | |
| 143. |
A high Biological Oxygen Demand (BOD) indicates that: |
| A. | ater is pure |
| B. | bsence of microbial action |
| C. | ow level of microbial pollution |
| D. | igh level of microbial pollution |
| Answer» E. | |
| 144. |
The slow rate of decomposition of fallen logs in nature is due to their |
| A. | oor nitrogen content |
| B. | ow moisture content |
| C. | ow cellulose content |
| D. | naerobic environment around them |
| Answer» C. ow cellulose content | |
| 145. |
The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so? |
| A. | igh albedo of clouds, low albedo of water |
| B. | igh albedo of clouds, high albedo of water |
| C. | ow albedo of clouds, low albedo of water |
| D. | ow albedo of clouds, high albedo of water |
| Answer» B. igh albedo of clouds, high albedo of water | |
| 146. |
Increased surface UV leads to increased__________ ozone |
| A. | ropospheric |
| B. | tratospheric |
| C. | onospheric |
| D. | xospheric |
| Answer» B. tratospheric | |
| 147. |
The earth's radiation is often referred to as ________radiation, while the sun's radiation is often referred to as _________radiation. |
| A. | hortwave, longwave |
| B. | hortwave, shortwave |
| C. | ongwave, shortwave |
| D. | ongwave, longwave |
| Answer» D. ongwave, longwave | |
| 148. |
A smog that occurs due to low temperature and has reducing environment is |
| A. | os angeles smog |
| B. | hotochemical smog |
| C. | ondon smog |
| D. | reenland smog |
| Answer» D. reenland smog | |
| 149. |
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air. |
| A. | ore, lower |
| B. | ore, higher |
| C. | ess, lower |
| D. | ess, higher |
| Answer» B. ore, higher | |
| 150. |
Molten rock deep inside the earth is called |
| A. | ore |
| B. | alcano |
| C. | ava |
| D. | agma |
| Answer» E. | |