In which condition can flowering time of plants change?
Photoperiod affects biological activities of plants. Exam tip: connect flowering with day length.
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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.
Photoperiod affects biological activities of plants. Exam tip: connect flowering with day length.
View question detailsUnderstanding vegetation through one factor is incomplete. Exam tip: make combined effect the main answer.
View question detailsA good answer includes both relief and climate sides. Exam tip: write short points with examples.
View question detailsNatural vegetation is controlled by many physical and climatic factors. Exam tip: write combined reasons in the final line.
View question detailsExcess water can damage roots if drainage is poor. Exam tip: consider drainage along with rainfall.
View question detailsClimate changes with altitude so plant types change. Exam tip: remember Himalayan vegetation belts.
View question detailsOvergrazing reduces grass and increases risk of soil erosion. Exam tip: connect grazing with land degradation.
View question detailsRainfall provides water to plants and affects vegetation density. Exam tip: remember the relation between rainfall and forest type.
View question detailsPlanting trees and stopping cutting help protect vegetation cover. Exam tip: write positive conservation measures.
View question detailsAltitude, soil and rainfall together decide the structure and spread of vegetation. Exam tip: understand combined factors together.
View question detailsRainfall directly affects plant growth and density. Exam tip: remember rainfall and vegetation together.
View question detailsSoil gives support to roots and nutrients for growth. Exam tip: treat soil as a basic factor.
View question detailsTemperature decreases with altitude so plant types change. Exam tip: write the relation between altitude and temperature.
View question detailsDry regions have thorny vegetation that saves water. Exam tip: connect low rainfall with thorny vegetation.
View question detailsHigh moisture and warmth are favourable for evergreen forests. Exam tip: connect humid climate with dense forests.
View question detailsLeaf shedding reduces transpiration and saves water. Exam tip: connect deciduous forests with dry season.
View question detailsMangroves are adapted to saline and marshy coastal areas. Exam tip: take Sundarbans as an example.
View question detailsFlat fertile land is more suitable for human use. Exam tip: connect land use with reduction in vegetation.
View question detailsDuration of daylight affects biological processes of plants. Exam tip: connect photoperiod with day length.
View question detailsIndia's vegetation is diverse due to differences in rainfall, temperature, soil and altitude. Exam tip: write multiple reasons for diversity.
View question detailsQUIZ COMPLETE