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.
| 401. |
Sulphur bacteria are examples of |
| A. | arnivores |
| B. | eterotrophs |
| C. | aprophytes |
| D. | utotrophs |
| Answer» E. | |
| 402. |
Which of the following rock types would most likely be the best oil reservoir? |
| A. | ranite |
| B. | hale |
| C. | andstone |
| D. | alt |
| Answer» D. alt | |
| 403. |
Which is the world's most deadliest snake? |
| A. | lack mamba |
| B. | pitting cobra |
| C. | ussel viper |
| D. | naconda |
| Answer» B. pitting cobra | |
| 404. |
What is lotic habitat? |
| A. | tanding or still water habitat |
| B. | arine habitat |
| C. | unning water habitat |
| D. | tagnant water |
| Answer» D. tagnant water | |
| 405. |
________ is diffused into the ground by gravitational force. |
| A. | ain water |
| B. | cean |
| C. | iver water |
| D. | one of the above |
| Answer» B. cean | |
| 406. |
Who coined the slogan of Chipko Movement "Ecology is Permanent economy". |
| A. | awaharlal Nehru |
| B. | alim Ali |
| C. | underlal Bahuguna |
| D. | achel Carson |
| Answer» D. achel Carson | |
| 407. |
Chipko movement is a public agitation that occurred in |
| A. | ansbal area in Kashmir |
| B. | ilent valley in Kerala |
| C. | undarban area in Bengal |
| D. | ehri Garhwal area of Uttar Pradesh |
| Answer» E. | |
| 408. |
When water changes from a liquid to a vapour, we call this process: |
| A. | reezing |
| B. | ondensation |
| C. | ublimation |
| D. | eposition |
| E. | vaporation |
| Answer» F. | |
| 409. |
In which of the following the maximum plant diversity is found |
| A. | ropical evergreen forests |
| B. | ropical moist deciduous forests |
| C. | ub tropical mountain forests |
| D. | emperate moist forests |
| Answer» B. ropical moist deciduous forests | |
| 410. |
What is Dendrology? |
| A. | tudy of Plants |
| B. | tudy of Butterflies |
| C. | tudy of Trees |
| D. | one of these |
| Answer» D. one of these | |
| 411. |
Which of the radioactive material is largely associated with bone cancer |
| A. | adium-226 |
| B. | horium-232 |
| C. | trontium-90 |
| D. | odine |
| Answer» D. odine | |
| 412. |
Water vapour contains a huge amount of stored energy known as |
| A. | atent heat |
| B. | olar energy |
| C. | tored heat |
| D. | echanical energy |
| Answer» B. olar energy | |
| 413. |
If the air temperature increased, with no addition or removal of water vapour, the actual vapour pressure would: |
| A. | ncrease |
| B. | ecrease |
| C. | tay the same |
| D. | ecome greater than the saturation vapor pressure |
| Answer» D. ecome greater than the saturation vapor pressure | |
| 414. |
In grassland ecosystem, the pyramid of biomass is |
| A. | pright |
| B. | nverted |
| C. | pindle shaped |
| D. | one of these |
| Answer» B. nverted | |
| 415. |
In pond ecosystem, the pyramid of biomass is |
| A. | pright |
| B. | nverted |
| C. | pindle shaped |
| D. | one of these |
| Answer» C. pindle shaped | |
| 416. |
What is the name of the action plan for sustainable development in the Twenty first century framed in the Rio Declaration on Environment & Development (1992)? |
| A. | ction 21 |
| B. | genda 21 |
| C. | io 21 |
| D. | eclaration 21 |
| Answer» C. io 21 | |
| 417. |
Biodiversity |
| A. | ncreases towards the equator |
| B. | ecreases towards the equator |
| C. | emains same throughout the planet |
| D. | as no effect on change in latitude |
| Answer» B. ecreases towards the equator | |
| 418. |
As the difference between the air temperature and the dew point increases, the relative humidity: |
| A. | ncreases |
| B. | ecreases |
| C. | emains constant at a value less than 100% |
| D. | emains constant and equal to 100% |
| Answer» C. emains constant at a value less than 100% | |
| 419. |
The pyramid of numbers in a single tree is |
| A. | pright |
| B. | nverted |
| C. | pindle shaped |
| D. | one of these |
| Answer» D. one of these | |
| 420. |
The pyramid of energy in terrestrial ecosystem is |
| A. | pright |
| B. | nverted |
| C. | pindle shaped |
| D. | rregular |
| Answer» B. nverted | |
| 421. |
Which of the following will decrease in a rising parcel of air? |
| A. | elative humidity |
| B. | bsolute humidity |
| C. | pecific humidity |
| D. | ll of the above |
| Answer» C. pecific humidity | |
| 422. |
At night, low clouds: |
| A. | nhance the atmospheric greenhouse effect |
| B. | eaken the atmospheric greenhouse effect |
| C. | re often caused by the atmospheric greenhouse effect |
| D. | ave no effect on the atmospheric greenhouse effect |
| Answer» B. eaken the atmospheric greenhouse effect | |
| 423. |
Which sea is referred to as an oceanic desert? |
| A. | ed Sea |
| B. | argasso Sea |
| C. | rabian Sea |
| D. | ea of Japan |
| Answer» C. rabian Sea | |
| 424. |
When clouds are viewed near the horizon, the individual cloud elements usually: |
| A. | ppear closer together than is actually the case |
| B. | ppear farther apart than is actually the case |
| C. | ppear lighter in color than is actually the case |
| D. | ppear to have more vertical development than is actually the case |
| Answer» B. ppear farther apart than is actually the case | |
| 425. |
The term Ecosystem was coined by |
| A. | dum |
| B. | lements |
| C. | rthur G Tansley |
| D. | lton |
| Answer» D. lton | |
| 426. |
Harmful trace metals in fly ash: |
| A. | ntimony |
| B. | admium |
| C. | rsenic |
| D. | ll of the above |
| Answer» E. | |
| 427. |
Basidiospores are considered to be a major source of |
| A. | irborne allergens |
| B. | ater borne allergens |
| C. | nimal faeces |
| D. | ioweapon |
| Answer» B. ater borne allergens | |
| 428. |
The species that flower are called |
| A. | ymnosperms |
| B. | ryophytes |
| C. | ngiosperms |
| D. | lgae |
| Answer» D. lgae | |
| 429. |
The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere: |
| A. | arograph |
| B. | adiosonde |
| C. | neroid barometer |
| D. | ltimeter |
| Answer» C. neroid barometer | |
| 430. |
The earth's atmosphere is divided into layers based on the vertical profile of: |
| A. | ir pressure |
| B. | ir temperature |
| C. | ir density |
| D. | ind speed |
| Answer» C. ir density | |
| 431. |
Ramsar Convention refers to the conservation of ____________ |
| A. | eserts |
| B. | etlands |
| C. | griculture lands, |
| D. | orest land |
| Answer» C. griculture lands, | |
| 432. |
CFCs are used as |
| A. | efrigerants |
| B. | nsulators |
| C. | erosol propellants |
| D. | ll the above |
| Answer» E. | |
| 433. |
What is hibernation and aestivation? |
| A. | hermal adaptation shown by animals |
| B. | ind adaptation shown by animals |
| C. | daptation of animals to escape from predators |
| D. | one |
| Answer» B. ind adaptation shown by animals | |
| 434. |
Soil pollution is caused by |
| A. | erosol |
| B. | zone |
| C. | cid rain |
| D. | AN |
| Answer» D. AN | |
| 435. |
When oil and gas resources are burnt they kill many forests and lakes by |
| A. | eforestation |
| B. | ater pollution |
| C. | cid rain |
| D. | orest fire |
| Answer» D. orest fire | |
| 436. |
Unleaded petrol contains__________ which are known as carcinogenic compounds |
| A. | itrates |
| B. | ulphates |
| C. | enzene |
| D. | hosphates |
| Answer» D. hosphates | |
| 437. |
The algal booin often releases__________ in water |
| A. | cidic |
| B. | oxins |
| C. | acteria |
| D. | irus |
| Answer» C. acteria | |
| 438. |
In a food chain of grassland ecosystem the top consumers are |
| A. | erbivorous |
| B. | arnivorous |
| C. | acteria |
| D. | ither carnivorous or herbivorous |
| Answer» C. acteria | |
| 439. |
An example of nitrogen fixing bacteria in the soil |
| A. | hizobium |
| B. | ostoc |
| C. | zotobacter |
| D. | itrobacter |
| Answer» D. itrobacter | |
| 440. |
Climate includes |
| A. | easonal variation |
| B. | eneral patterns of atmosphere conditions |
| C. | verage weather of an area |
| D. | ll of these |
| Answer» E. | |
| 441. |
The time of day when the relative humidity reaches a maximum value is usually |
| A. | t the time when the air temperature is highest |
| B. | n the middle of the afternoon |
| C. | t the time when the air temperature is lowest |
| D. | ust before sunrise |
| E. | bout midnight |
| Answer» D. ust before sunrise | |
| 442. |
Night time temperatures rarely drop below the dew point temperature because |
| A. | he dew will absorb all the heat |
| B. | aturation vapor pressures always increase at night |
| C. | t saturation, latent heat of condensation is released into the air |
| D. | oth (b) and (c) |
| Answer» D. oth (b) and (c) | |
| 443. |
At what time of day is the relative humidity normally at a minimum? |
| A. | hen the air temperature is highest |
| B. | ust before sunrise |
| C. | bout midnight |
| D. | hen the air temperature is lowest |
| Answer» B. ust before sunrise | |
| 444. |
Infrared and visible satellite images might provide: |
| A. | way of determining cloud thickness and altitude. |
| B. | way of distinguishing between wet and dry clouds. |
| C. | way of identifying clouds suitable for cloud seeding. |
| D. | way of distinguishing between "new" and "old" clouds. |
| Answer» B. way of distinguishing between wet and dry clouds. | |
| 445. |
In calm air the air temperature is -10o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate: |
| A. | much higher temperature than -10o C |
| B. | much lower temperature than -10o C |
| C. | temperature of -10o C |
| D. | temperature of -30o C |
| Answer» D. temperature of -30o C | |
| 446. |
What is the cause of the Exxon Valdez? |
| A. | il Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected. |
| B. | plane which crashed and caused death of human life |
| C. | ship which wrecked on the coast of India |
| D. | one of these. |
| Answer» B. plane which crashed and caused death of human life | |
| 447. |
Water vapour is: |
| A. | gas |
| B. | cloud droplet |
| C. | rain drop |
| D. | snowflake |
| Answer» B. cloud droplet | |
| 448. |
The one-horned Rhinoceros is now restricted to which state? |
| A. | aharashtra |
| B. | ujarat |
| C. | ssam |
| D. | ttar Pradesh |
| Answer» D. ttar Pradesh | |
| 449. |
The state which constituted green bench |
| A. | erala |
| B. | amilnadu |
| C. | ssam |
| D. | adhya Pradesh |
| Answer» C. ssam | |
| 450. |
In India, tropical evergreen forests occur in |
| A. | imachal Pradesh |
| B. | adhya Pradesh |
| C. | ssam |
| D. | amil Nadu |
| Answer» D. amil Nadu | |