NPTEL Natural Resources Management Week 2 Assignment Answers 2024
- Who defined soil as “a dynamic natural body on the surface of the earth in which plants glow, composed of mineral and organic materials and living forms.”?
a) FAO, 1976
b) Brady and Bloomberg, 1976
c) Brady and Buckman, 1976
d) Brady and Nyle, 1976
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- Erosion due to the natural phenomenon of soil-forming and soil loss processes like weathering of rocks is called?
a) Geologic erosion
b) Water erosion
c) Cold erosion
d) Accelerated erosion
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- Which of the following is not an effect of desertification?
a) Increased emissions of GHGs
b) Migrations
c) Food security and hunger
d) Population explosion
Answer :-
- The universal soil loss equation is given as A = RKLSCP. Here, the S stands for:
a) Slope strength factor
b) Stress strength factor
c) Strain steepness factor
d) Slope steepness factor
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- Statement 1: Because ecosystem services are not usually bought and sold directly in markets, market activities always fully reflect the benefits provided by those services.
Statement 2: Unregulated markets thus promote excessive depletion of natural capital (biotic and abiotic components of ecosystems) and ultimately ecosystem services.
a) Statement (i) is correct
b) Statement (ii) is correct
c) Both statements are correct
d) Both are wrong
Answer :-
- Food, fiber, biomass etc are __ services of an ecosystem.
a) Regulating
b) Political
c) Provisioning
d) Aesthetic
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- Which of the following is a disadvantage of PRA?
a) Often misled by myths and gossip
b) Often it is difficult to find the right team and ask the right questions
c) Focusing on individuals with in depth subject matter knowledge and awareness
d) Women empowerment
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- What type of PRA method is used to examine peoples’own criteria for choosing among options such as crop varieties, soil fertility measures etc?
a) Venn diagramming
b) Matrix scoring
c) Criteria scoring
d) Matrix diagramming
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- When people are encouraged to display their knowledge on pie and bar charts and flow diagrams, this PRA technique is
a) Key probes
b) Local histories
c) Participatory diagramming
d) Venn diagramming
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- __ is a principle employed in choosing different methods, locations, interviewees, team members (often a minimum of three) in order to improve the accuracy of the picture generated by the learning process.
a) Visualization
b) Optimal ignorance
c) Triangulation
d) Sequencing
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- Assertion (A): A bottom-up paradigm implies a transfer of power from “lowers”- people, institutions and disciplines which have been dominant to “uppers” – people, institutions and discipline which have been subordinate.
Reason (R): Many development strategies have failed in attempts to impose standard top-down programmes due to poor knowledge of the issues at field level.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true, R is false
d) A is false, R is true
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- Which of the following statements are true regarding RRA?
(i) Emerged in the late 1990s
(ii) The research methods are adjusted and modified best fitting the rural community prior to the visit to their community.
(iii) Generate quick results of less precision but greater evidential value.
(iv) It allows joint planning of projects or experiments with equal emphasis on researchers and local communities.
a) (i) and (ii)
b) (ii) and (iv) c) (i) and (iv) d) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iii)
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- 25-50% drop in production is classified under what type of desertification?
a) Severe
b) Very severe
c) Moderate
d) High
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- O, A, E, B, C soil horizons corresponds to?
a) Topsoil
b) Bedrock
c) Regolith
d) Humus
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- Which of the following statements is correct while carrying out a PRA exercise?
a) Exercises should always be conducted with some specific individuals that is previously known to the researcher
b) Face value information is the best kind of information regarding any issue
c) Always use scientific terminologies to explain to the audience to get the best outcome
d) Male female ratio should be balanced to get a clear perspective
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