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ICAR AICE-JRF/SRF Forests & Climate Change: Carbon, REDD+ & MRV: practice questions

ICAR AICE-JRF/SRF (PhD) — Subject 59 Forestry · India · National Testing Agency for ICAR

Original practice questions written to the published syllabus · not past papers
10worked here, free
46written to this exam in this subject
11syllabus units

What this subject covers

Forests as carbon sinks and sources: the science of climate change, forest carbon pools and their measurement, REDD+, carbon markets and adapting forests to a changing climate. General carbon accounting and offset markets are in the Sustainability track (carbon-accounting-ghg-inventories, carbon-markets-offsets); this subject covers the forest-specific measurement and project methods.

In the exams: ICAR AICE-JRF 59 Unit 12; ICAR AIEEA-PG Group 09 (global warming, role of forests in climate mitigation); IFoS Forestry Paper I Section B (environmental conservation); GATE EY Section 5 (global climate change)

What ICAR AICE-JRF/SRF asks from it

ICAR AICE-JRF/SRF (PhD) — Forestry, Unit 12

MCQs on the greenhouse effect and gases, sources and sinks, history and projections of climate change, impacts on agriculture, forestry, wildlife and water, international conventions, enhanced CO2, ozone depletion, disaster management and carbon sequestration by agroforestry.

Where the 46 questions fall

How our questions for ICAR AICE-JRF/SRF spread across the units of Forests & Climate Change: Carbon, REDD+ & MRV. Difficulty: 3 easy, 17 medium, 26 hard.

Global climate change: history and projections5
Measuring carbon: allometry, IPCC methods, tiers and default factors5
UNFCCC, Kyoto Protocol, Paris Agreement and REDD+5
Afforestation/reforestation and improved forest management projects5
Greenhouse effect and greenhouse gases4
Impacts of climate change on forests, wildlife and water4
Forest carbon pools: above-ground, below-ground, deadwood, litter, soil4
Measurement, reporting and verification (MRV) and forest reference levels4
Disaster management: floods, droughts, landslides, cyclones4
Carbon markets and forest carbon standards3
Climate adaptation in silviculture3

10 practice questions, worked

Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.

1 · Global climate change: history and projections · hard

Under the very high emissions scenario SSP5-8.5, AR6 projects very likely global warming by 2081–2100 relative to 1850–1900 of about:

  1. 3.3 to 5.7 °C
  2. 1.0 to 1.8 °C
  3. 0.5 to 1.0 °C
  4. 7 to 10 °C
Answer and working

A. 3.3 to 5.7 °C

SSP5-8.5 gives about 3.3–5.7 °C; SSP1-1.9 about 1.0–1.8 °C.

2 · Impacts of climate change on forests, wildlife and water · hard

A phenological mismatch occurs when:

  1. Two species occupy the same niche
  2. Interacting species shift seasonal timing at different rates
  3. A species moves to a higher elevation as its lowland habitat warms
  4. Trees flower in the same week each year
Answer and working

B. Interacting species shift seasonal timing at different rates

For example, insects may emerge earlier while migrant birds arrive on the old schedule.

3 · Impacts of climate change on forests, wildlife and water · hard

Why can climate-driven disturbances turn forests from carbon sinks into sources?

  1. Mortality, fire and decay release carbon faster than regrowth absorbs it
  2. Disturbed forests stop respiring and therefore emit nothing
  3. Disturbances increase photosynthesis permanently
  4. Disturbed forests convert CO2 into methane only
Answer and working

A. Mortality, fire and decay release carbon faster than regrowth absorbs it

Large disturbances release carbon quickly; regrowth takes years to decades.

4 · Forest carbon pools: above-ground, below-ground, deadwood, litter, soil · hard

Why may a project exclude the dead wood pool from carbon accounting in an afforestation project?

  1. Dead wood never contains any carbon, so it can always be ignored
  2. Dead wood is counted as soil carbon by definition
  3. Excluding a pool that can only increase is conservative
  4. IPCC forbids measuring dead wood
Answer and working

C. Excluding a pool that can only increase is conservative

Omitting a pool expected to increase understates removals, which is acceptable as conservative.

5 · Forest carbon pools: above-ground, below-ground, deadwood, litter, soil · hard

Draining and burning a tropical peat swamp forest releases mainly:

  1. Above-ground biomass carbon only
  2. Soil (peat) carbon
  3. Carbon from harvested wood products
  4. No carbon (peat is mineral)
Answer and working

B. Soil (peat) carbon

Deep peat stores very large amounts of carbon that oxidises or burns when drained.

6 · UNFCCC, Kyoto Protocol, Paris Agreement and REDD+ · easy

How often are nationally determined contributions updated under the Paris Agreement?

  1. Every year
  2. Every twenty years
  3. Only once
  4. Every five years
Answer and working

D. Every five years

Successive NDCs every five years, informed by the global stocktake.

7 · Afforestation/reforestation and improved forest management projects · medium

Which practice is an example of improved forest management for carbon?

  1. Converting forest to cropland
  2. Clear-felling primary forest
  3. Reduced-impact logging
  4. Draining tropical peat swamps
Answer and working

C. Reduced-impact logging

RIL reduces collateral damage and emissions per cubic metre harvested.

8 · Climate adaptation in silviculture · hard

Why does increasing species and genetic diversity within stands help adaptation?

  1. Diverse stands never suffer any mortality from drought or pests
  2. A mixture is less likely to fail entirely under unexpected stress
  3. Diversity removes the need for monitoring
  4. Monocultures cannot be planted legally
Answer and working

B. A mixture is less likely to fail entirely under unexpected stress

Diversity spreads risk across species and genotypes with different responses.

9 · Climate adaptation in silviculture · hard

Which adaptation strategy deliberately helps forests change towards compositions suited to future climates?

  1. Resistance strategy
  2. Resilience strategy (recovery) alone
  3. Exclusion strategy
  4. Transition or response strategy
Answer and working

D. Transition or response strategy

Resistance protects against change; resilience aids recovery; transition steers change.

10 · Disaster management: floods, droughts, landslides, cyclones · easy

Forest cover most reliably reduces the frequency of:

  1. Shallow landslides on steep slopes
  2. Deep-seated landslides controlled by geology
  3. Earthquakes
  4. Tsunamis of any size
Answer and working

A. Shallow landslides on steep slopes

Roots reinforce shallow soils; deep failures depend on geology and groundwater.

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Read the subject

Forests & Climate Change: Carbon, REDD+ & MRVThe full study manual, free ICAR AICE-JRF/SRFFormat, sections and how it has changed

More ICAR AICE-JRF/SRF practice

Agroforestry Management, Interactions & EconomicsTree PhysiologyForest Restoration & Afforestation of Difficult SitesVegetative Propagation & Forest BiotechnologyBiometry, Statistics & Computing for ForestryForest Meteorology & ClimatologyConservation Biology & Forest Genetic ResourcesForest Soils & Soil ConservationLandscape Ecology & Forest Ecosystem ModellingIntroduction to Forestry & the World's ForestsForestry Research Methods & Experimental DesignForest Fire Science & ManagementAgroforestry Systems & DesignGrowth & Yield ModellingForest Entomology & Integrated Pest ManagementForest Pathology & Wood DecayWildlife Biology & EcologyForest Operations, Harvesting & Forest EngineeringForest Policy, Law & GovernanceUrban Forestry & ArboricultureForest Hydrology & Watershed ManagementWildlife Management & Protected AreasWood Anatomy & Wood PropertiesForest Economics & Valuation

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