-
question_answer1)
With the exception of water, which one of the following is possibly the most important accessory chemical substance in industrial processes [CBSE PMT 1994]
A)
Petroleum done
clear
B)
Rubber done
clear
C)
Ethanol done
clear
D)
Liquid nitrogen done
clear
View Solution play_arrow
-
question_answer2)
Non-conventional energy source is [CET Chd. 1993]
A)
Tidal energy done
clear
B)
Biogas done
clear
C)
Geothermal energy done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer3)
Energy source of this earth is
A)
Sunlight done
clear
B)
Respiration done
clear
C)
Photosynthesis done
clear
D)
Mitochondria done
clear
View Solution play_arrow
-
question_answer4)
The rate of biogas production can be limited by
A)
Methane production done
clear
B)
Cellulose digestion done
clear
C)
Conversion of monomers to organic acids done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer5)
Non-renewable source of energy is
A)
Forest wealth done
clear
B)
Wild life done
clear
C)
Hydel power done
clear
D)
Coal reserves done
clear
View Solution play_arrow
-
question_answer6)
Biogas can be a good substitute for [BHU 2000]
A)
Fuel wood done
clear
B)
Petroleum and oil done
clear
C)
Coal done
clear
D)
Charcoal done
clear
View Solution play_arrow
-
question_answer7)
One of the following bacterial groups are exploited in biogas production [JIPMER 2000]
A)
Methogens done
clear
B)
Methanotrophs done
clear
C)
Organotrophs done
clear
D)
Eubacteria done
clear
View Solution play_arrow
-
question_answer8)
Major autotrophic biomass in oceans is contributed by [CBSE PMT 2000]
A)
Forests done
clear
B)
Algae and phytoplanktons done
clear
C)
Crops done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer9)
The energy generated by hydel power plant is [MP PMT 1994]
A)
Renewable and non-polluting done
clear
B)
Renewable and polluting done
clear
C)
Non-renewable and polluting done
clear
D)
Non-renewable and non-polluting done
clear
View Solution play_arrow
-
question_answer10)
LPG cooking gas is
A)
Low price gas done
clear
B)
Low pressure gas done
clear
C)
Biogas done
clear
D)
Fossil fuel done
clear
View Solution play_arrow
-
question_answer11)
A non-polluting source of energy is
A)
Wood done
clear
B)
Coal done
clear
C)
Solar done
clear
D)
Nuclear done
clear
View Solution play_arrow
-
question_answer12)
Major source of liquid hydrocarbon is
A)
Calotropis gigantea done
clear
B)
Cocos nucifera done
clear
C)
Euphorbia antisyphilitica done
clear
D)
Solanum tuberosum done
clear
View Solution play_arrow
-
question_answer13)
Energy plantations vary from energy cropping in being
A)
Substitute for petroleum done
clear
B)
Source of fuel wood done
clear
C)
Renewable done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer14)
Which wood burns for short period of time [Haryana PMT 1996]
A)
Gymnosperms done
clear
B)
Angiosperm done
clear
C)
Dicotyledonous done
clear
D)
Monocotyledonous done
clear
View Solution play_arrow
-
question_answer15)
What type of fuel are coal, petrol and natural gas [CBSE PMT 1990]
A)
Biofuels done
clear
B)
Electrical fuels done
clear
C)
Fossil fuels done
clear
D)
Liquid fuels done
clear
View Solution play_arrow
-
question_answer16)
Cultivation of more fuel wood trees is known as
A)
Afforestation done
clear
B)
Energy plantations done
clear
C)
Energy cropping done
clear
D)
Deforestation done
clear
View Solution play_arrow
-
question_answer17)
A good fodder [CBSE PMT 1991]
A)
Contains high dry matter done
clear
B)
Is free from disease and pest done
clear
C)
Has nutrient without toxicity done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer18)
The incorrectly matched pair is
A)
Biogas produced from dung done
clear
B)
Latex source of liquid hydrocarbons done
clear
C)
Ethanol used as gasoline done
clear
D)
Animal energy used most efficiently done
clear
View Solution play_arrow
-
question_answer19)
The value of solar energy or Extra terrestrial light reaching the biosphere is
A)
\[2g\text{ }cal/c{{m}^{2}}/min\] done
clear
B)
\[30g\text{ }cal/c{{m}^{2}}/min\] done
clear
C)
\[1g\text{ }cal/c{{m}^{2}}/min~\] done
clear
D)
\[10g\text{ }cal/c{{m}^{2}}/min\] done
clear
View Solution play_arrow
-
question_answer20)
Solar energy transducer is
A)
Agaricus done
clear
B)
Rhizobium done
clear
C)
Orobanche done
clear
D)
Chlorella done
clear
View Solution play_arrow
-
question_answer21)
The black wood tree of India is [Haryana PMT 1997]
A)
Acacia nilotica done
clear
B)
Dalbergia sissoo done
clear
C)
Dalbergia latifolia done
clear
D)
Mangifera indica done
clear
View Solution play_arrow
-
question_answer22)
It is possible to extract maximum energy from wood through
A)
Biomass done
clear
B)
Cracking done
clear
C)
Direct burning done
clear
D)
Gasification done
clear
View Solution play_arrow
-
question_answer23)
Energy from wood must be extracted more efficiently through
A)
Carbonisation done
clear
B)
Pyrolysis done
clear
C)
Gasification done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer24)
The fuel wood crisis can be overcome by [KCET 1997]
A)
Efficient forest extractions done
clear
B)
Afforestation done
clear
C)
More efficient heat transfer done
clear
D)
A combination of these done
clear
View Solution play_arrow
-
question_answer25)
An ideal good fuel wood is obtained from
A)
Bauhinia racemosa done
clear
B)
Dalbergia sissoo done
clear
C)
Michelia excelsa done
clear
D)
Mangifera indica done
clear
View Solution play_arrow
-
question_answer26)
Advantage of energy plantations is
A)
Running nuclear plants done
clear
B)
To reduce pressure on forests done
clear
C)
To decrease soil erosion and pollution done
clear
D)
Both b and c done
clear
View Solution play_arrow
-
question_answer27)
In developing countries, the heaviest demand on forests is for [BHU 1996]
A)
Fuel wood done
clear
B)
Furniture wood done
clear
C)
Fruits done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer28)
Citric acid production is by action of [CBSE PMT 1995]
A)
Aspergillus niger done
clear
B)
Acetobacter done
clear
C)
Candida done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer29)
Non-renewable substance or resource is [RPMT 1992]
A)
Planktons and fishes done
clear
B)
Fossils and minerals done
clear
C)
Animals and plants done
clear
D)
Animals and minerals done
clear
View Solution play_arrow
-
question_answer30)
Thermal power generation is
A)
Conventional, renewable, polluting done
clear
B)
Conventional, renewable, non-polluting done
clear
C)
Conventional, non-renewable, polluting done
clear
D)
Non-conventional, non-renewable and non-polluting done
clear
View Solution play_arrow
-
question_answer31)
Most common biofuel, being used nowadays is
A)
Cellulose done
clear
B)
Charcoal done
clear
C)
Natural gas done
clear
D)
Fuel wood done
clear
View Solution play_arrow
-
question_answer32)
Petroplants were first recognized by [MP PMT 1999]
A)
Lamarck done
clear
B)
Darwin done
clear
C)
Hatch and Slack done
clear
D)
M. Calvin done
clear
View Solution play_arrow
-
question_answer33)
Growing of plants for alcohol production is called
A)
Energy plantation done
clear
B)
Energy cropping done
clear
C)
Biomass production done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer34)
Gasohol mixture is useful as
A)
Fermenter done
clear
B)
Manure done
clear
C)
Automobile fuel done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer35)
Which of the source of energy is non-renewable [RPMT 1990]
A)
Wild life done
clear
B)
Forest wealth done
clear
C)
Coal reserves done
clear
D)
Hydel-power done
clear
View Solution play_arrow
-
question_answer36)
The energy obtained from biological resources is called [RPMT 1990]
A)
Electrical energy done
clear
B)
Mechanical energy done
clear
C)
Bioenergy done
clear
D)
Life energy done
clear
View Solution play_arrow
-
question_answer37)
Fuel wood is [APMEE 1990; EAMCET 1990]
A)
Source of petroleum products done
clear
B)
Renewable resource of energy done
clear
C)
Source of biogas done
clear
D)
Source of alcohol done
clear
View Solution play_arrow
-
question_answer38)
Which of the following is more efficient in converting solar energy
A)
Chlorella done
clear
B)
Cuscuta done
clear
C)
Earthworm done
clear
D)
Tiger done
clear
View Solution play_arrow
-
question_answer39)
Petroleum resource is [CBSE PMT 1992]
A)
Renewable done
clear
B)
Non-renewable done
clear
C)
Synthetic and biodegradable done
clear
D)
Infinite and unconventional done
clear
View Solution play_arrow
-
question_answer40)
Which one of the following is a renewable source of energy [MP PMT 1995]
A)
Petroleum done
clear
B)
Coal done
clear
C)
Nuclear fuel done
clear
D)
Trees done
clear
View Solution play_arrow
-
question_answer41)
Biogas is a mixture of [MHCET 2002]
A)
\[CO+{{H}_{2}}+C{{O}_{2}}\] done
clear
B)
\[C{{H}_{4}}+CO+C{{O}_{2}}\] done
clear
C)
\[C{{H}_{4}}+C{{O}_{2}}+{{H}_{2}}\] done
clear
D)
\[CO+C{{O}_{2}}+N{{O}_{2}}\] done
clear
View Solution play_arrow
-
question_answer42)
A major component of gobar gas is [CBSE PMT 2004]
A)
Ethane done
clear
B)
Butane done
clear
C)
Ammonia done
clear
D)
Methane done
clear
View Solution play_arrow
-
question_answer43)
Producer gas differs from biogas in having [MHCET 2004]
A)
Methane done
clear
B)
Carbon monoxide done
clear
C)
Carbon dioxide done
clear
D)
Formed by fermentation done
clear
View Solution play_arrow
-
question_answer44)
The current consumption on domestic fire wood in India is about [CBSE PMT 1990]
A)
18.6 million tonnes done
clear
B)
146.5 million tonnes done
clear
C)
1246 million tonnes done
clear
D)
21870 million tonnes done
clear
View Solution play_arrow
-
question_answer45)
Energy plantation refers to [Haryana PMT 1995]
A)
Setting up new electricity plants done
clear
B)
Growth of fuel wood trees done
clear
C)
Manufacture of more generators done
clear
D)
Erection of more dams done
clear
View Solution play_arrow
-
question_answer46)
While India?s population is 15 percent of the world, its annual energy consumption is only
A)
0.2% done
clear
B)
2% done
clear
C)
10% done
clear
D)
25% done
clear
View Solution play_arrow
-
question_answer47)
The wood considered unfit as fuel is
A)
Bombax ceiba done
clear
B)
Madhuca indica done
clear
C)
Pinus roxburghii done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer48)
Sap of which plant is considered as a good substitute for diesel oil
A)
Euphorbia sp done
clear
B)
Copaifera longsdorfii done
clear
C)
Calotropis procera done
clear
D)
Manihot glaziovii done
clear
View Solution play_arrow
-
question_answer49)
Biogas produced by anaerobic fermentation of water biomass consists of [CPMT 2005]
A)
Methane done
clear
B)
Traces of \[{{H}_{2}}\], \[{{H}_{2}}S\] and \[{{N}_{2}}\] done
clear
C)
\[C{{O}_{2}}\] done
clear
D)
All of these done
clear
View Solution play_arrow