MCQ ON NATURAL RESOURCES AND THEIR CONSERVATION class 12 for NEET | NATURAL RESOURCES AND THEIR CONSERVATION class 12 | MCQ NATURAL RESOURCES AND THEIR CONSERVATION with Answer | Check the below NCERT MCQ question for class 12 Biology based on the with Answers.
MCQ ON NATURAL RESOURCES AND THEIR CONSERVATION class 12 for NEET
MCQ on NATURAL RESOURCES AND THEIR CONSERVATION class 12 Biology with answers were prepared based on the latest pattern.We have provided class 12 Biology MCQs questions on NATURAL RESOURCES AND THEIR CONSERVATION with Answers to help students understand the concept very well.
MCQ ON NATURAL RESOURCES AND THEIR CONSERVATION is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23, 2023-24
Introduction:
Human beings have evolved from hunting, fishing ,food gatherer , agricultural ,industrials and technology state, the biosphere has been changed to dominated environment called noosphere which has become a system of resources for human beings instead of naturally self sufficient and self regulator system. They are those living and nonliving components of atmosphere hydrosphere and lithosphere which can be drawn upon for supporting life. Natural resources are also called Earth resources they have been exploited since the arrival of human over the horizon. Resources may very from society to society . Resources may be inorganic (minerals , water or organic or mixed (soil) . They can be national ( mineral , lands) multinational ( river migratory animals) or international ( sunlight ,air)
MCQ ON NATURAL RESOURCES AND THEIR CONSERVATION class 12 for NEET
1. Deforestation will decrease
(a) soil erosion
(b) land slides
(c) soil fertility
(d) rainfall
Ans (d) rainfall
2. Chipko movement is connected with
(a) conservation of natural resources
(b) plant forest conservation
(c) plant breeding
(d) project tiger
Ans. (b) plan forest conservation
3. Social forestry is
(a) management of forest by cooperative societies
(b) growing a management of each full plants on common lands
(c) growing one types of trees
(d) growing different types of plants together
Ans. (d) growing different types of plants together
4. Afforestation should be with
(a) exotic species
(b) indigenous species
(c) bambooj
(d) eucalyptus
Ans.(b) bambooj
5. Soil erosion can be prevented
(a) restricted human activity
(b) good plant cover
(c) checking movement of animals
(d) wind screen alone
Ans.(b) good plant cover
6. Fertility of soil is measured by its ability to
(a) retain nutrients
(b) hold organic materials
(c) hold water
(d) support life
Ans.(d) support life
7. Maximum productivity on global basis is shown by
(a) forest
(b) aquatic ecosystem
(c) grassland
(d) desert
Ans.(b) aquatic ecosystem
8. Best source of renewable energy is
(a) coal
(b) petroleum
(c) trees
(d) all the above
Ans.(c) trees
9. Mulching is a helpful in
(a) increasing soil fertility
(b) improvement of soil structures
(c) moisture and soil conservation
(d) Better crops
Ans. (c) moisture and soil conservation
10. Main renewable source of energy is
(a) forest
(b) fuel gas
(c) cattle
(d) coal
Ans. (a) forest
11. Value of resource is depend on its
(a) quality
(b) quantity
(c) requirement and type of society
(d) all of the above
Ans.(c) requirement and type of society
12. Biomass produced by plants in oceans accounts for
(a) 85 percentage
(b) 75 percentage
(c) 65 percentage
(d) 55 percentage
Ans . (a) 85 percentage
13. Largest amount of freshwater is found in
(a) lakes and streams
(b) underground
(c) polar ice and glaciers
(d) river
Ans.(c) polarise and glaciers
14. Percentage of water present in ocean and seas is
(a) 60%
(b) 20%
(c) 80%
(d) 95%
Ans. (d) 95 %
15. Non conventional source of energy is
(a) wood
(b) biogas/ solar energy
(c) coal
(d) petroleum
Ans.(b) biogas/ solar energy
16. Domestic cooking gas cylinder contains
(a) coal gas
(b) liquified petroleum gas
(c) Diesel oil
(d) alcohol
Ans.(b) liquified petroleum gas
17. Possibility of coal in an area is guess through
(a) mining the area
(b) economics survey
(c) pollen grain analysis
(d) ecology of the area
And.(c) pollen grain analysis
18. Fuel wood crisis can be overcome by
(a) Better wooden stops
(b) efficient wood extraction
(c) greater afforeststation
(d) using alternate energy source
Ans. (d) using alternate energy source
19. Soil Salinity is measured by
(a) porometer
(b) potometer
(c) calorimeter
(d) conductivity meter
Ans.(d) conductivity meter
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20. Animals like mice, lizards and cockroach share their habitat with human dwellings.They are
(a) Inquilins
(b) Cultigens
(c) Transplant
(d) Humus
Ans.(a) Inquilins
21. The factor that destroyed plant biodiversity is
(a) biosphere reserve
(b) vulnerable ecosystems
(c) in accessibility of habitats
(d) destruction of habitats
Ans.(d) description of habitats
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