

MCQOPTIONS
Saved Bookmarks
This section includes 434 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
301. |
In which climates cultivation is impossible? |
A. | Monsoon and Savanna |
B. | Deserts and Tundra |
C. | Tundra and cold temperate interior |
D. | Tropical and Equatorial |
Answer» D. Tropical and Equatorial | |
302. |
Relationship between two organisms that is beneficial to both, known as |
A. | Predation |
B. | Symbiosis |
C. | Parasitism |
D. | Biodiversity |
Answer» C. Parasitism | |
303. |
In the south of the Equator, the circulation of currents in all the three oceans is mainly |
A. | Anti-Clockwise |
B. | Clockwise |
C. | Sami-Clockwise |
D. | All of these |
Answer» B. Clockwise | |
304. |
What causes desertification ? |
A. | Wind |
B. | Human activities and climate change |
C. | Drought conditions |
D. | overcultivation |
Answer» C. Drought conditions | |
305. |
Which fuel has less GHGs emissions than fossil fuels? |
A. | Biofuel |
B. | Biomass |
C. | Biofuel and Biomass |
D. | Wood |
Answer» B. Biomass | |
306. |
Which country is major expoter of wood and wood products? |
A. | Pakistan |
B. | Srilanka |
C. | Bangladesh |
D. | Indonesia |
Answer» E. | |
307. |
When plants and animals die which important product is released? |
A. | Carbondioxides |
B. | Limestone |
C. | Calcium oxide |
D. | Ammonia |
Answer» E. | |
308. |
Dry, sunny weather often results from |
A. | Low Pressure |
B. | High Temperature |
C. | Low Temperature |
D. | High Pressure |
Answer» E. | |
309. |
Which environment has intensive heat by day under a baking sun and absences of rainfall? |
A. | Savanna |
B. | Hot Deserts |
C. | Tropical Climate |
D. | Tundra |
Answer» C. Tropical Climate | |
310. |
What are the examples of desert palnts? |
A. | Clumps |
B. | Cacti |
C. | Acacia |
D. | Baobab |
Answer» C. Acacia | |
311. |
What is the measure of concentration of hydrogen ions in a soil? |
A. | base |
B. | acidity |
C. | alkaline |
D. | Both a and b |
Answer» C. alkaline | |
312. |
Clay soils with high water content can be good for |
A. | wheat growth |
B. | fruit growth |
C. | grass growth |
D. | Vegetables growth |
Answer» D. Vegetables growth | |
313. |
Transpiration in plants takes place through their |
A. | roots |
B. | stem |
C. | bark |
D. | leaves |
Answer» E. | |
314. |
First major 'multicellular' life is called: |
A. | Cambrian Period |
B. | Achaea |
C. | Silurian |
D. | Achaia |
Answer» B. Achaea | |
315. |
In low pressure, the moisture in the air |
A. | Cools |
B. | Warms up |
C. | High Temperature |
D. | Low Temperature |
Answer» B. Warms up | |
316. |
Which country in africa, 250,000 hectares are being lost to desertification each year? |
A. | Sahel |
B. | Niger |
C. | Ethopia |
D. | Asia |
Answer» C. Ethopia | |
317. |
There is a dramatic loss of biodiversity due to: |
A. | Eutrophication |
B. | Urbanizations |
C. | Deforestation |
D. | Acid Rain |
Answer» D. Acid Rain | |
318. |
What Is the balance of mineral particles in soil? |
A. | Texture |
B. | Equilibrium |
C. | Balance |
D. | Weathering |
Answer» B. Equilibrium | |
319. |
In which tiger reserve we can find more number of brown palm civet animals? |
A. | Periyar tiger reserve |
B. | Sunderban tiger reserve |
C. | Jim Corbett tiger reserve |
D. | Kalakkad Mundanthurai tiger reserve |
Answer» E. | |
320. |
The density and complexity of tropical rain forests is due to |
A. | Wind and Light |
B. | Mosses and Linchens |
C. | Leaves and bushes |
D. | Lianas, Epiphytes and parasites |
Answer» E. | |
321. |
Individual food chain interconnected to form a |
A. | Food Chain |
B. | Food Web |
C. | Biological system |
D. | Tropical Level |
Answer» C. Biological system | |
322. |
How many biogeographic zones are there in India? |
A. | Five |
B. | Ten |
C. | Fifteen |
D. | Twenty |
Answer» C. Fifteen | |
323. |
Sandy soils are known as the |
A. | Hungry soil |
B. | angry soil |
C. | happy soil |
D. | Sad soil |
Answer» B. angry soil | |
324. |
How nitrogen is removed from the soil? |
A. | Uptake of plants,Leaching,Denitrifying Bacteria |
B. | Photosynthesis, leaching |
C. | Nitrifying bacteria, Eutrophication |
D. | Nutrient Cycling |
Answer» B. Photosynthesis, leaching | |
325. |
In a plantation farming what type of soil is chosen for cultivation? |
A. | Wet Soil |
B. | Silt and volcanic soil |
C. | Agricultural Soil |
D. | Sandy soil |
Answer» C. Agricultural Soil | |
326. |
Coniferous is abundantly found in |
A. | Asia |
B. | Europe |
C. | North Amarica and Eurassia |
D. | South and South East Asia |
Answer» D. South and South East Asia | |
327. |
Why coniferous trees have leaves in all season? |
A. | Climate and Atmosphere |
B. | short growing season |
C. | Location and geography |
D. | Oblique sunlight |
Answer» C. Location and geography | |
328. |
What is the key to servive for many plants in the deserts? |
A. | Leaves |
B. | Stems |
C. | Root System |
D. | Trees |
Answer» D. Trees | |
329. |
The nitrogen fixing bacteria lives in |
A. | Coniferous |
B. | Leguminous Plants |
C. | Tall plants |
D. | Taiga |
Answer» C. Tall plants | |
330. |
What is called for the natural habitats under in-situ conservation? |
A. | Unprotected areas |
B. | Depleted areas |
C. | Exploited areas |
D. | Protected areas |
Answer» E. | |
331. |
Into how many ranged Himalayas are divided? |
A. | One |
B. | Two |
C. | Three |
D. | Four |
Answer» D. Four | |
332. |
Which one of the following is the ecological problems being faced by the semi-arid zones in India? |
A. | Organic farming |
B. | Rural development |
C. | Animals conflict |
D. | Desertification |
Answer» E. | |
333. |
World Wide Fund for Nature (WWF) playing an important role in reducing human-wildlife conflicts. |
A. | True |
B. | False |
C. | May be True or False |
D. | Can't say |
Answer» B. False | |
334. |
Which biome are described as a grassland with trees? |
A. | Cool temperate |
B. | Tundra |
C. | Savanna |
D. | Tiaga |
Answer» D. Tiaga | |
335. |
Which is the state animal of Tamil Nadu which is also one of the most endangered species in India? |
A. | Blackbuck |
B. | Indian elephant |
C. | Nilgiri tahr |
D. | Indian giant squirrel |
Answer» D. Indian giant squirrel | |
336. |
Taking Action for living planet, slogan was used by |
A. | World Wide Fund for Nature |
B. | UNESCO |
C. | United Nations Environmental Programme |
D. | World bank |
Answer» B. UNESCO | |
337. |
Which horizon contains many loose pieces of rocks, broken off from the parent rock below by weathering? |
A. | Horizon A |
B. | Horizon C |
C. | Horizon B |
D. | Horizon D |
Answer» C. Horizon B | |
338. |
About 47% of forests worldwide are: |
A. | Sub Tropical Forests |
B. | Tropical Forest |
C. | Tiaga |
D. | Temperate Forest |
Answer» C. Tiaga | |
339. |
Where did the 10th Conference of Parties (COP) which happened to the Convention on Biological Diversity take place? |
A. | India |
B. | China |
C. | Russia |
D. | Japan |
Answer» E. | |
340. |
Biopiracy is legal. |
A. | True |
B. | False |
C. | May be True or False |
D. | Can't say |
Answer» C. May be True or False | |
341. |
In which year the Convention on Biological Diversity signed? |
A. | 1990 |
B. | 1991 |
C. | 1992 |
D. | 1993 |
Answer» D. 1993 | |
342. |
How many main goals are there in the Convention on Biological Diversity? |
A. | One |
B. | Two |
C. | Three |
D. | Four |
Answer» D. Four | |
343. |
Why we should not encourage biopiracy? |
A. | Because it kills the whole biodiversity |
B. | Because it doesn’t provide any useful for humans |
C. | Because it takes years of time |
D. | Because it creates inequality between nations |
Answer» E. | |
344. |
When did Convention on Biological Diversity established? |
A. | 1990 |
B. | 1991 |
C. | 1992 |
D. | 1993 |
Answer» E. | |
345. |
Why we should take strict action against biopiracy in India? |
A. | Because Indian population is high |
B. | Because India carrying the Earth’s richest biodiversity |
C. | Because Indian Area is less |
D. | Because Indian policies are not efficient |
Answer» C. Because Indian Area is less | |
346. |
What is called for the illegal collection of indigenous plants by corporations ho patent them for there own use? |
A. | Biopiracy |
B. | Biomagnifications |
C. | Biodegradation |
D. | Biodiversity |
Answer» B. Biomagnifications | |
347. |
Which of the following professions are highly affected by biopiracy? |
A. | Politicians |
B. | Actors |
C. | Businessman |
D. | Farmers |
Answer» E. | |
348. |
Why India has been traditionally one of the targets of biopiracy? |
A. | Because India has more population |
B. | Because India has large amount of biodiversity |
C. | Because India’s don’t use biodiversity |
D. | Because India do not impose any punishment for biopiracy |
Answer» C. Because India’s don’t use biodiversity | |
349. |
Biodiversity provides Option values. |
A. | True |
B. | False |
C. | May be True or False |
D. | Can't say |
Answer» B. False | |
350. |
Which one of the following is the backbone of viable ecosystems on which we depend on for basic necessities? |
A. | Pollution |
B. | Atmosphere |
C. | Biodiversity |
D. | Pollination |
Answer» D. Pollination | |