Factors Affecting Natural Vegetation

Which type of vegetation grows in the sandy soil of the desert ?

• Coniferous trees

• Grasslands

• Cactus and thorny bushes

• None of these

The character and extent of vegetation are mainly determined by which of the climatic factor?

• Temperature

• Humidity

• Precipitation

• All the above

Which type of vegetation usually develops on undulating and rough terrains?

• Mangroves

• Grasslands and woodlands

• Cactus and thorny bushed

• None of these

Due to which reason the vegetation of most of the areas has been modified or replaced or degraded?

• Change of climate

• Human occupancy

• Soil erosion

• None of these

Which of the following factors influence the type and distribution of natural vegetation ?

• Landforms

• Soil

• Climate

• All the above

Which of the following types of vegetation grows in wet, marshy soil?

• Grasslands

• Mangroves

• Cactus

• Alpine vegetation

Due to which of the following reasons does the vegetation on the slopes of the Himalayas and the hills of the peninsula above the height of 915 metres change from tropical to subtropical, temperate and alpine vegetation ?

• Soil

• High humidity

• Fall in temperature

• Very heavy rainfall

Which of the following types of vegetation grows in areas with mean annual average temperature of above 24°C?

• Tropical

• Subtropical

• Temperate

• Alpine

Trees grow faster in which of the following seasons?

• Winter

• Summer

• Rainy season

• Autumn

Which of the following types of vegetation zones is found in the higher reaches of the Himalayas with mean annual average temperature below 7°C?

• Tropical

• Subtropical

• Alpine

• Temperate