McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Arts in Economics (BA Economics) .
Chapters
| 301. |
Major causes of extinction of different species includes |
| A. | habitat loss and over-hunting |
| B. | climate chang and pollution |
| C. | deforestation |
| D. | all of above |
| Answer» D. all of above | |
| 302. |
The sum total of the living organisms of an ecosystem is called……… |
| A. | biota |
| B. | biotope |
| C. | biotype |
| D. | bioms |
| Answer» A. biota | |
| 303. |
The biotic components of an ecosystem include: |
| A. | producers |
| B. | consumers |
| C. | reducers |
| D. | all the above. |
| Answer» D. all the above. | |
| 304. |
Decomposers of an ecosystem include: |
| A. | algae |
| B. | fungi |
| C. | green plants |
| D. | animals |
| Answer» B. fungi | |
| 305. |
The species which are likely to become extinct in the near future is called: |
| A. | rare species |
| B. | vulnerable species |
| C. | endangered species |
| D. | indeterminate species |
| Answer» B. vulnerable species | |
| 306. |
Threatened species include: |
| A. | rare species |
| B. | vulnerable species |
| C. | endangered species |
| D. | all the above |
| Answer» D. all the above | |
| 307. |
Which one of the following is a tiger reserve of Kerala: |
| A. | periyar |
| B. | eravikulam |
| C. | parambikulam |
| D. | none of these |
| Answer» A. periyar | |
| 308. |
The crocodile breeding centre in Kerala is: |
| A. | eravikulam |
| B. | parambikulam |
| C. | neyyar |
| D. | none of these |
| Answer» C. neyyar | |
| 309. |
Which one of the following is primary air pollutant: |
| A. | sulphur |
| B. | ozone |
| C. | atmospheric hno3 |
| D. | carbon monoxide |
| Answer» D. carbon monoxide | |
| 310. |
The most dangerous pollutant to Ozone layer is: |
| A. | co |
| B. | so2 |
| C. | cfc |
| D. | hno3 |
| Answer» C. cfc | |
| 311. |
Noise pollution is measured in: |
| A. | hertz |
| B. | fathoms |
| C. | nanometers |
| D. | decibles |
| Answer» D. decibles | |
| 312. |
The human-oriented environmental doctrine is called: |
| A. | altruism |
| B. | anthropocentrism |
| C. | eco-centrism |
| D. | none of these |
| Answer» B. anthropocentrism | |
| 313. |
World population day is celebrated on: |
| A. | 11th july |
| B. | 12th july |
| C. | 15th july |
| D. | 20th july |
| Answer» A. 11th july | |
| 314. |
Levels of biodiversity include all but one: |
| A. | genetics |
| B. | species |
| C. | population |
| D. | ecosystem |
| Answer» C. population | |
| 315. |
A taxon with restricted geographical distribution is termed as? |
| A. | rare |
| B. | vulnerable |
| C. | extinct |
| D. | endemic |
| Answer» D. endemic | |
| 316. |
Conservation of biodiversity outside the natural habitat is called as: |
| A. | ex-situ |
| B. | in-situ |
| C. | conservation |
| D. | in-vivo |
| Answer» A. ex-situ | |
| 317. |
Which of the following does not come under the threatened categories? |
| A. | endangered |
| B. | vulnerable |
| C. | least concern |
| D. | rare |
| Answer» C. least concern | |
| 318. |
Biosphere reserve has following zone except one: |
| A. | core zone |
| B. | command zone |
| C. | buffer zone |
| D. | spherical zone |
| Answer» D. spherical zone | |
| 319. |
In which of the following boundaries are not circumscribed: |
| A. | biosphere reserve |
| B. | sanctuary |
| C. | national parks |
| D. | colony parks |
| Answer» B. sanctuary | |
| 320. |
The knowledge of which of the following factor does not help in the wildlife management: |
| A. | habitat of wildlife |
| B. | behaviour of wildlife |
| C. | food habit of wildlife |
| D. | name of wildlife |
| Answer» D. name of wildlife | |
| 321. |
The tigers are found in which of the following biosphere reserve: |
| A. | thar desert biosphere reserve |
| B. | neelgiri biosphere reserve |
| C. | namdhapa biosphere reserve |
| D. | sunderbans biosphere reserve |
| Answer» D. sunderbans biosphere reserve | |
| 322. |
Which one of the following is not a green house gas: |
| A. | co2 |
| B. | ch4 |
| C. | ozone |
| D. | cfcs |
| Answer» C. ozone | |
| 323. |
The layer of the atmosphere closest to Earth is called the: |
| A. | troposphere |
| B. | stratosphere |
| C. | exosphere |
| D. | mesosphere |
| Answer» A. troposphere | |
| 324. |
Certain gases in the atmosphere help maintain the Earth’s temperatures and climate. These are called: |
| A. | ozone gases |
| B. | solar gases |
| C. | greenhouse gases |
| D. | stomach gases |
| Answer» C. greenhouse gases | |
| 325. |
Greenhouse gases include: |
| A. | water vapor |
| B. | carbon dioxide |
| C. | methane and nitrous oxide |
| D. | all the above |
| Answer» D. all the above | |
| 326. |
The environmental cause for increase in skin cancer, cataract and mutation is: |
| A. | acid rain |
| B. | global warming |
| C. | nuclear winter |
| D. | ozone depletion. |
| Answer» D. ozone depletion. | |
| 327. |
Global warming is a consequence of………. |
| A. | acid rain |
| B. | green house effect |
| C. | depletion of ozone layer |
| D. | radioactive fall out |
| Answer» B. green house effect | |
| 328. |
Which one of the following is not an endemic species? |
| A. | lion tailed macaque |
| B. | indian giant squirrel |
| C. | salim ali’s fruit bat |
| D. | asiatic lion |
| Answer» D. asiatic lion | |
| 329. |
The existence of different varieties of rice is an example for: |
| A. | eco system diversity |
| B. | genetic diversity |
| C. | species diversity |
| D. | animal diversity |
| Answer» C. species diversity | |
| 330. |
Which one of the following is the cleanest source of energy? |
| A. | hydropower |
| B. | fossil fuel |
| C. | nuclear power |
| D. | wind energy |
| Answer» D. wind energy | |
| 331. |
Which of the following Indian States/UT has the maximum percentage of mangrove cover in the country? |
| A. | gujarat |
| B. | west bengal |
| C. | andaman and nicobar |
| D. | orissa |
| Answer» B. west bengal | |
| 332. |
Extensive planting of trees to increase forest cover is called: |
| A. | afforestation |
| B. | agroforestry |
| C. | deforestation |
| D. | social forestry |
| Answer» A. afforestation | |
| 333. |
In an ecosystem green plants represent the: |
| A. | reducers |
| B. | producers |
| C. | consumers |
| D. | none of the above. |
| Answer» B. producers | |
| 334. |
The giant seismic sea swells or tidal waves are called: |
| A. | tsunamies |
| B. | cyclones |
| C. | volcanoes |
| D. | ei ninos |
| Answer» A. tsunamies | |
| 335. |
Which is the Hot spot of India? |
| A. | gangatic plain |
| B. | western ghat |
| C. | eastern ghat |
| D. | arravali mountain |
| Answer» B. western ghat | |
| 336. |
Who publish Red-list? |
| A. | wwf |
| B. | iucn |
| C. | mab |
| D. | ibwl |
| Answer» B. iucn | |
| 337. |
IUCN means |
| A. | international union for conservation of nature and natural resources |
| B. | indian union for conservation of nature and natural resources |
| C. | international union for conservation of nature and nutrients resources |
| D. | indian union chemical nomenclature |
| Answer» A. international union for conservation of nature and natural resources | |
| 338. |
What is the main man-made green house gas? |
| A. | oxygen |
| B. | hydrogen |
| C. | carbon dioxide |
| D. | none of these |
| Answer» C. carbon dioxide | |
| 339. |
How are humans making greenhouse gases of our own? |
| A. | burning fossil fuels in our cars |
| B. | burning forests |
| C. | with large-scale agriculture |
| D. | all of these |
| Answer» D. all of these | |
| 340. |
In India different types of mangoes species are example of: |
| A. | species diversity |
| B. | genetic diversity |
| C. | induced mutation |
| D. | breeding |
| Answer» B. genetic diversity | |
| 341. |
Which is the right option for national animal and bird of India? |
| A. | peacock & lion |
| B. | flamingo & tiger |
| C. | peacock & tiger |
| D. | flamingo & lion |
| Answer» C. peacock & tiger | |
| 342. |
Which is the modern concept of conservation? |
| A. | biosphere reserve |
| B. | sanctuary |
| C. | national park |
| D. | protected forest |
| Answer» A. biosphere reserve | |
| 343. |
Desert, forest, grassland, and tundra are a part of: |
| A. | terrestrial eco system |
| B. | fresh water eco system |
| C. | marine eco system |
| D. | all of these |
| Answer» A. terrestrial eco system | |
| 344. |
An inexhaustible source of energy is: |
| A. | earth |
| B. | sun |
| C. | moon |
| D. | none of these |
| Answer» B. sun | |
| 345. |
The slipping down of large masses of earth and rock from hill side, river banks or cliffs is called: |
| A. | soil erosion |
| B. | siltation |
| C. | leaching |
| D. | land slide |
| Answer» D. land slide | |
| 346. |
The arrival of organisms to a new locality from around is: |
| A. | invasion |
| B. | reaction |
| C. | both |
| D. | none of these |
| Answer» A. invasion | |
| 347. |
who is the founder of ‘Santhinikethan’ a University teaching environment based education? |
| A. | mahatma gandhi |
| B. | gokhale |
| C. | rabindranath tagore |
| D. | none of these |
| Answer» C. rabindranath tagore | |
| 348. |
smog is a mixture of: |
| A. | smoke and fog |
| B. | snow and fog |
| C. | snow and dust |
| D. | sulphur dioxide and fog |
| Answer» A. smoke and fog | |
| 349. |
the 3 R principle in waste management stand for: |
| A. | reduce, reuse and recycle |
| B. | reduce, regain and reuse |
| C. | reduce, reset and reform |
| D. | reduce, retain and regain |
| Answer» A. reduce, reuse and recycle | |
| 350. |
The natural source of energy is: |
| A. | sun |
| B. | moon |
| C. | earth |
| D. | none of these |
| Answer» A. sun | |
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