In which example is the effect of relief on vegetation clearly seen?
Landform and land use affect the type of vegetation. Exam tip: compare plains and mountains.
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SubjectsGeography
वनस्पति को प्रभावित करने वाले कारक
In this Class 9 Geography topic from “Natural Vegetation and Wildlife,” students learn why different regions support different kinds of plants. They examine how temperature, rainfall, sunlight, soil, relief, altitude, and slope influence the growth and distribution of natural vegetation. The topic also helps them connect vegetation patterns with climate and landforms, and understand how human activities can alter plant cover. These ideas build a clear foundation for reading India’s varied landscapes and vegetation regions.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
Landform and land use affect the type of vegetation. Exam tip: compare plains and mountains.
View question detailsIn low rainfall, plants do not get enough water. Exam tip: connect water shortage with dry vegetation.
View question detailsWarm and moist conditions are favourable for plant growth. Exam tip: connect tropical vegetation with heat and moisture.
View question detailsHuman activities can change the area and structure of natural vegetation. Exam tip: write human interference as an additional effect.
View question detailsSoil fertility means that the soil contains sufficient nutrients needed for plant growth, such as nitrogen, phosphorus and potassium. These nutrients support healthy development of roots, stems and leaves, so option A is correct. Rainfall is mainly influenced by climatic factors, not simply by soil fertility. Exam tip: remember that fertile soil supports plant nutrition and better growth.
View question detailsLack of water and nutrients limits plant growth. Exam tip: understand the effect of combined factors.
View question detailsPhotoperiod can affect growth and flowering of plants. Exam tip: connect it with length of day.
View question detailsDiverse physical conditions in India create different vegetation types. Exam tip: write many factors for diversity.
View question detailsA good answer includes all major factors with examples. Exam tip: include both land and climate.
View question detailsVegetation is controlled not by one reason but by many natural factors. Exam tip: write combined effect in the final conclusion.
View question detailsClimate includes temperature rainfall and light. Exam tip: treat climate as a key control of vegetation.
View question detailsHigh rainfall supports tree growth and dense forests. Exam tip: connect high rainfall with dense vegetation.
View question detailsEvery plant needs suitable temperature for growth. Exam tip: treat temperature as a basic climatic factor.
View question detailsSunlight is necessary for green plants because it supplies the energy required for photosynthesis. In this process, plants use light energy to combine water and carbon dioxide and make food, while releasing oxygen. The food produced supports growth, repair, flowering, and the development of plant tissues. Therefore, light availability is a major factor affecting vegetation.
Option B is correct because photosynthesis directly depends on light. Soil, water, temperature, and the length of the growing season also influence vegetation, but sunlight provides the energy that makes food production possible. The other choices describe effects that are not the basic reason plants need sunlight: it does not always destroy soil, stop rainfall, or dry every river. Thus, the sunlight-photosynthesis-growth connection gives the answer.
Photoperiod can affect plant growth and flowering. Exam tip: understand it as duration of sunlight.
View question detailsSoil provides nutrients water and root support to plants. Exam tip: treat soil as the base of vegetation.
View question detailsFertile soil has more nutrients which support plant growth. Exam tip: remember the link between fertile soil and dense vegetation.
View question detailsSandy soil can lose water quickly so plants get less moisture. Exam tip: remember soil water holding capacity.
View question detailsMangroves are found in coastal marshy and saline areas. Exam tip: connect mangroves with coastal areas.
View question detailsAltitude and slope affect temperature soil and water. Exam tip: understand relief through altitude and slope.
View question detailsQUIZ COMPLETE