Question 1 Expert Level 60
If single-crop farming spreads in place of natural vegetation, what will be the ecological concern? A Habitat diversity and local biodiversity may decrease B Wildlife will get more natural habitat C Natural vegetation will automatically increase D Soil effect will end
Correct answer: A Monocropping can reduce diversity of natural habitats. Exam tip: write relation between land use and biodiversity.
View question details Question 2 Expert Level 60
In which condition will temperature be more decisive than rainfall for vegetation? A When extreme cold makes growing period very short B When temperature and rainfall are both ideal C When soil is very fertile D When there is no human pressure
Correct answer: A Severe cold can limit the plant growing period. Exam tip: identify the decisive limiting factor.
View question details Question 3 Expert Level 60
If plants save water but are not salt-tolerant, where will they not succeed? A In saline marshy coastal area B In dry desert C In low rainfall plateau D In sandy land
Correct answer: A Salt tolerance is necessary in saline marshy areas. Exam tip: match adaptation with correct habitat.
View question details Question 4 Expert Level 60
Which statement gives a balanced analysis of natural vegetation and human interference? A Natural factors decide vegetation potential and human use can change actual spread B Human interference never affects C Only soil decides everything D Rainfall and temperature are irrelevant
Correct answer: A Vegetation should be understood through both potential and actual land use. Exam tip: write natural and human causes separately.
View question details Question 5 Expert Level 60
If the dry season is long in an area, why is leaf shedding by deciduous trees beneficial? A Transpiration decreases and water is saved B Photoperiod ends C Soil becomes saline D Plants remain waterlogged
Correct answer: A Leaf shedding is a water conservation adaptation of dry season. Exam tip: remember deciduous forests and dry season together.
View question details Question 6 Expert Level 60
Why is average rainfall alone not sufficient in a vegetation conservation plan? A Because timing of rainfall, soil, slope and human pressure are also important B Because rainfall does not affect plants C Because average rainfall is always zero D Because soil and slope do not exist
Correct answer: A Conservation needs local and combined factors. Exam tip: check distribution and site condition with average.
View question details Question 7 Expert Level 60
If soil is good but seed sources and natural habitat are destroyed, what will be the effect on regrowth? A Regrowth can be slow or difficult B Dense forest will form immediately C Good soil alone is sufficient D Need for rainfall will end
Correct answer: A Regrowth needs seed sources and habitat along with soil. Exam tip: write many bases of regeneration.
View question details Question 8 Expert Level 60
Which option correctly matches leaf structure and environment? A Broad leaves and moist humid areas B Thorny leaves and permanent waterlogging C Submerged leaves and dry desert D Waxy small leaves and dense marsh water
Correct answer: A Moist areas may have broad leaves because water-loss pressure is lower. Exam tip: connect structure with environment.
View question details Question 9 Expert Level 60
If climate change reduces rainfall and increases temperature in an area, what change in vegetation is possible? A Water stress will increase and drought-tolerant plants may increase B Dense evergreen forests will certainly increase C Mangroves will spread at every altitude D Photoperiod will become zero
Correct answer: A Less water and higher heat increase dryness pressure on plants. Exam tip: study temperature and rainfall changes together.
View question details Question 10 Expert Level 60
In which condition will maritime influence on vegetation be clearly seen? A More humid vegetation in coastal area due to moisture and temperature moderation B Mangroves in dry inland desert C Tidal forests in high Himalaya D Tropical forests in permanent snow
Correct answer: A Maritime influence can affect temperature and moisture. Exam tip: write coastal and inland difference.
View question details Question 11 Expert Level 60
Which statement gives the most correct map-based explanation of vegetation distribution? A Vegetation belts can show regional differences in rainfall, temperature, soil and altitude B Vegetation map is only decoration C State boundary alone decides vegetation D Every colour has same meaning in every map
Correct answer: A A map should be read with legend and physical reasons. Exam tip: check both colours and causes.
View question details Question 12 Expert Level 60
If soil remains exposed due to deforestation in an area, what risk will increase during rainfall? A Soil erosion B Increase in photoperiod C Decrease in altitude D End of salt tolerance
Correct answer: A Lack of trees can make soil easily eroded by rainfall. Exam tip: write relation between forests and soil conservation.
View question details Question 13 Expert Level 60
In which condition will both water availability and nutrients be limited for plant growth? A Low rainfall and poor soil B High rainfall and fertile soil C Deep soil and regular rainfall D High moisture and high nutrients
Correct answer: A Lack of water and nutrients can reduce plant height and density. Exam tip: identify combined limits.
View question details Question 14 Expert Level 60
Which answer correctly shows interdependence of vegetation factors? A Favourable light is not enough without water and soil B Light alone creates dense forest everywhere C Soil and water are irrelevant D Temperature has no relation with plants
Correct answer: A Plant growth depends on many resources together. Exam tip: do not make one factor the only cause.
View question details Question 15 Expert Level 60
How can an expert-level answer on factors affecting natural vegetation become better? A By classifying factors and writing examples with effects B By writing only definition of vegetation C By writing only one tree name D By giving only list of wildlife
Correct answer: A An analytical answer includes classification, causes, examples and results. Exam tip: keep the answer organised.
View question details Question 16 Expert Level 60
Which option gives the most balanced measure for natural vegetation conservation? A Local water management, soil conservation, controlled grazing and stopping deforestation B Only increasing road construction C Making grazing and cutting uncontrolled D Increasing soil erosion
Correct answer: A Conservation needs work on both natural base and human pressure. Exam tip: write combined measures.
View question details Question 17 Expert Level 60
What is the most scientific conclusion about factors affecting natural vegetation? A Vegetation develops through interaction of relief, soil, climate, light and human activities B Vegetation is decided only by soil C Vegetation is only another name for rainfall D Natural vegetation is same in every area
Correct answer: A A multi-factor and balanced view is needed to understand vegetation. Exam tip: write interaction in the final conclusion.
View question details Question 18 Easy Level 76
Which climatic element mainly affects natural vegetation in India? A Rainfall B Minerals C Ports D Population
Correct answer: A Amount of rainfall affects the type and density of vegetation. Exam tip: connect high rainfall with dense forests.
View question details Question 19 Easy Level 76
Why is less natural vegetation left in level and fertile plains? A Because farming and settlements develop more there B Because rainfall never occurs there C Because sunlight does not reach there D Because only glaciers are found there
Correct answer: A Fertile plains are more changed for human use. Exam tip: connect land use with vegetation change.
View question details Question 20 Easy Level 76
Why may forests and grasslands be found more in sloping hilly areas? A Because farming is difficult and natural vegetation remains B Because there is no soil at all C Because there is always desert D Because sea waves come there
Correct answer: A Human farming is limited on difficult slopes so vegetation can remain. Exam tip: remember the effect of relief.
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