MCQOPTIONS
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MCQOPTIONS
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.
| 251. |
In which farming high capital investment is needed? |
| A. | Shifting Cultivation |
| B. | Plantation Farming |
| C. | Nomadic Grazing |
| D. | Padi Cultivation |
| Answer» C. Nomadic Grazing | |
| 252. |
Genes are made up of complex chemical compound known as |
| A. | RNA |
| B. | DNA |
| C. | Genotype |
| D. | Biodiversity |
| Answer» C. Genotype | |
| 253. |
Coniferous trees found in Siberia are known as |
| A. | Siberian plant |
| B. | Taiga |
| C. | Companian tree |
| D. | Pea tree |
| Answer» C. Companian tree | |
| 254. |
Why in the past it was not possible to grow the same crop on the same land piece of land? |
| A. | Due to infertility of soil |
| B. | Less availability of nutrients in the soil |
| C. | Soil exhaustion and spread of disease |
| D. | Spread of weeds |
| Answer» D. Spread of weeds | |
| 255. |
The gaps between minerals particles are known as |
| A. | Pores |
| B. | spaces |
| C. | Both a and b |
| D. | pore space |
| Answer» E. | |
| 256. |
Combined impact of deforestation rate, approximately |
| A. | 350 000 km² per year |
| B. | 150 000 km² per year |
| C. | 550 000 km² per year |
| D. | 850 000 km² per year |
| Answer» C. 550 000 km² per year | |
| 257. |
What measures the soil's acidity? |
| A. | PH scale |
| B. | POH |
| C. | Both a and b |
| D. | Acidity scale |
| Answer» B. POH | |
| 258. |
How terracing methods works for soil conservation? |
| A. | Salinization |
| B. | It holds the soil on flattered area |
| C. | It takes the soil down |
| D. | All of these |
| Answer» C. It takes the soil down | |
| 259. |
In the process of photosynthesis energy from sunlight is trapped by |
| A. | roots |
| B. | stomata |
| C. | chlorophyll |
| D. | mesophyll |
| Answer» D. mesophyll | |
| 260. |
Which plant of deciduous shed leaves to reduce loss of water? |
| A. | Baobab |
| B. | Clumps |
| C. | Cacia |
| D. | Coniferous Trees |
| Answer» B. Clumps | |
| 261. |
In 1990s, almost 70% of deforested areas converted into: |
| A. | Commercial area |
| B. | Industries |
| C. | Agriculture land |
| D. | Residential area |
| Answer» D. Residential area | |
| 262. |
Second trophic level in oceans includes |
| A. | Plants |
| B. | Planktons |
| C. | Zooplanktons |
| D. | Carnivores |
| Answer» D. Carnivores | |
| 263. |
In which country dry farming of cereal crops are grown? |
| A. | Mexico |
| B. | America |
| C. | Pakistan |
| D. | USA |
| Answer» E. | |
| 264. |
Which soils has the large pore spaces between the grains? |
| A. | Sandy soils |
| B. | Topsoil |
| C. | loamy soil |
| D. | Subsoil |
| Answer» B. Topsoil | |
| 265. |
For every square kilometre of a tropical forest there is about 25,000 tonnes of: |
| A. | Biomass |
| B. | Biofuel |
| C. | Bioenergy |
| D. | Biogas |
| Answer» B. Biofuel | |
| 266. |
The world's hottest desert is |
| A. | Sahara |
| B. | Thar |
| C. | Austrian Desert |
| D. | Kalahari |
| Answer» B. Thar | |
| 267. |
Name the elements of biotics? |
| A. | plants and animals |
| B. | animals |
| C. | plants |
| D. | climate and air |
| Answer» B. animals | |
| 268. |
Mica and Feldspar forms |
| A. | sand |
| B. | clay |
| C. | Both a and b |
| D. | A only |
| Answer» C. Both a and b | |
| 269. |
'ATP' stands for |
| A. | Airline transport pilot |
| B. | Available to promise |
| C. | Adenosinetriphosphate |
| D. | Automatic train protection |
| Answer» C. Adenosinetriphosphate | |
| 270. |
What are the example of leguminous plants? |
| A. | Beans. Pea, clovers |
| B. | Carrots, Fruites |
| C. | Capcicum, Oranges, Pea |
| D. | Corn, wheat, ladyfinger |
| Answer» B. Carrots, Fruites | |
| 271. |
In which biome the temperture remin high all year? |
| A. | Tundra |
| B. | Monsoon Forests |
| C. | Tropical Rain Forest |
| D. | Taiga |
| Answer» C. Tropical Rain Forest | |
| 272. |
What breakdown the litters into humus? |
| A. | Parasites |
| B. | Phytoplanktons |
| C. | Animals |
| D. | Bacteria and Fungi |
| Answer» E. | |
| 273. |
How much rainfalls in early summer in Coniferous forests? |
| A. | 100mm |
| B. | 200mm |
| C. | 300mm |
| D. | 500mm |
| Answer» E. | |
| 274. |
What is an average annual deforestation of tropical forests? |
| A. | 1% per year |
| B. | 3% per year |
| C. | 8% per Year |
| D. | 9% per year |
| Answer» B. 3% per year | |
| 275. |
What are the examples of tall grasses? |
| A. | Baobab |
| B. | Clumps |
| C. | Acacia |
| D. | Bamboo |
| Answer» C. Acacia | |
| 276. |
What is meant by parmafrost? |
| A. | No frosen |
| B. | Temporary frosen |
| C. | The permenantly frosen sub soil |
| D. | Short time frosen |
| Answer» D. Short time frosen | |
| 277. |
Condensation and precipitation occurs as a results of |
| A. | High Pressure |
| B. | Low Pressure |
| C. | High Temperature |
| D. | Low Temperature |
| Answer» C. High Temperature | |
| 278. |
What does the acronym “HIPPO” full form, which describes the main causes for threats to biodiversity? |
| A. | Habitat destruction, Invasion species, Pollution, Polarization, and Over-harvesting |
| B. | Habitat destruction, Invasion species, Pollution, Population, and Over-harvesting |
| C. | Habitat destruction, Increase in the species, Pollution, Population, and Ozone depletion |
| D. | Human- wildlife conflict, Invasion species, Polarization, Population, and Over-harvesting |
| Answer» C. Habitat destruction, Increase in the species, Pollution, Population, and Ozone depletion | |
| 279. |
Hot, dry and sandy environment are a physical factors of which environment? |
| A. | Savanna |
| B. | Tropical |
| C. | Tundra |
| D. | Desert |
| Answer» E. | |
| 280. |
In ocean, carbon is usually in form of: |
| A. | Bicarbonates ions |
| B. | Carbon dioxide |
| C. | Calcium |
| D. | Phosphorous |
| Answer» B. Carbon dioxide | |
| 281. |
WWF stands for |
| A. | World wide fund for nations |
| B. | World wide foundation for nature |
| C. | World wide fund for natural Ecosystem |
| D. | World widen fund for nature |
| Answer» C. World wide fund for natural Ecosystem | |
| 282. |
The Indian coasts do not vary on their characteristics and structures. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 283. |
Which biome average summer temperattures is below 10 C? |
| A. | Deserts |
| B. | Equatorial |
| C. | Mosoon |
| D. | Tundra |
| Answer» E. | |
| 284. |
Crop eating insects or animals can be destroyed by using |
| A. | Fertilizers |
| B. | Herbicides |
| C. | Pesticides and Fertilizers |
| D. | Pesticides |
| Answer» E. | |
| 285. |
Where does divergent plate boundary occur? |
| A. | Seafloor |
| B. | Ocean ridges |
| C. | Basins |
| D. | Himalayas |
| Answer» C. Basins | |
| 286. |
Mixed cropping helps to reduce |
| A. | Soil erosion |
| B. | salinity |
| C. | Logging |
| D. | Eutrophication |
| Answer» B. salinity | |
| 287. |
11% of total forest consists of |
| A. | Temperate region |
| B. | Tropical forest |
| C. | Sub tropical forest |
| D. | Tiaga |
| Answer» B. Tropical forest | |
| 288. |
In tundra climate the average monthly temperature exceeds |
| A. | 20°C |
| B. | 30°C |
| C. | 15°C |
| D. | 10°C |
| Answer» E. | |
| 289. |
The warm water currents, move warm water from the tropics to the |
| A. | Pole |
| B. | Tropics |
| C. | Equator |
| D. | North Pole |
| Answer» B. Tropics | |
| 290. |
Habitat destruction which results in the threat to biodiversity is resulted due to__________________ |
| A. | Agricultural industries |
| B. | Decrease in the human population |
| C. | Adequate rainfall |
| D. | Decrease in the human-wildlife conflicts |
| Answer» B. Decrease in the human population | |
| 291. |
Which biome has high temperature between 25- 35°C? |
| A. | Savanna |
| B. | Tiaga |
| C. | Coniferous |
| D. | Monsoon |
| Answer» B. Tiaga | |
| 292. |
What class are humans categorized in ? |
| A. | Omnivores |
| B. | Carnivores |
| C. | Herbivores |
| D. | Producer |
| Answer» B. Carnivores | |
| 293. |
In which process the bacteria breakdown the nitrates to nitrogen gas ? |
| A. | Denitrifycation |
| B. | Leaching |
| C. | Eutrophication |
| D. | Photosynthesis |
| Answer» B. Leaching | |
| 294. |
Gene bank is one of the ways for biodiversity conservation. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 295. |
What are the four basic constituent in soil? |
| A. | Organic matters |
| B. | Mineral matters |
| C. | Air |
| D. | All the them |
| Answer» E. | |
| 296. |
What is called for any interaction between humans and wildlife that result in negative impacts on cultural life or on the environment? |
| A. | Human-wildlife interactions |
| B. | Human-wildlife services |
| C. | Human-wildlife adjustment |
| D. | Human-wildlife conflict |
| Answer» E. | |
| 297. |
Into how many ranges Trans Himalayas divided? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» E. | |
| 298. |
What are the characteristics of tundra? |
| A. | High biological diversity |
| B. | High species and high net productivity |
| C. | High bilogical diversity and low productivity |
| D. | Species poor, low biological diversity andlow; net primary productivity |
| Answer» E. | |
| 299. |
Which biome is challenging for plant growth? |
| A. | Mooson |
| B. | Deserts |
| C. | Taiga |
| D. | Tundra |
| Answer» D. Tundra | |
| 300. |
Species 'richness' is total number of |
| A. | Species abundance |
| B. | Resources |
| C. | Diversity |
| D. | Habitat |
| Answer» B. Resources | |