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Class 9 Social Science
Geography Natural Vegetation And Wildlife
Quiz 1
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To which one of the following types of vegetation does rubber belong to?
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Tundra
0%
Tidal
0%
Himalayan
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Tropical Evergreen
Explanation
Tropical Evergreen
Cinchona trees are found in the areas of rainfall more than
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100 cm
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50 cm
0%
70 cm
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less than 50 cm
Explanation
100 cm
In which of the following state is the Simlipal bio-reserve located?
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Punjab
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Delhi
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Odisha
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West Bengal
Explanation
Odisha
Which one of the following bio-reserves of India is not included in the world network of bio-reserve?
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Manas
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Nilgiri
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Gulf of Mannar
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Nanda Devi
Explanation
Manas - A Biosphere Reserve is a unique and representative ecosystem of terrestrial and coastal areas that are internationally recognised within the framework of UNESCO's Man and Biosphere programme. There are 15 biosphere reserves in India. Out of these four biospheres have been included in the world network of Biosphere reserves. These four biosphere reserves are: (1) Sunderbans in West Bengal (2) Nanda Devi in Uttarakhand (3) Gulf of Mannar in Tamilnadu (4) Nilgiris in Kerala, Karnataka, and Tamil Nadu.
The yak, shaggy-horned wild ox and the Tibetan antelope are found in which one of the following regions?
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Tibet
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Uttarakhand
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Himachal Pradesh
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Ladakh
Explanation
Ladakh’s freezing high altitudes are a home to yak, the shaggy horned wild ox weighing around one tonne, the Tibetan antelope, the bharal (blue sheep), wild sheep, and the kiang
Which term is used to denote animal species of a particular region or period?
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Fauna
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Ferns
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Flora
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None of these
Explanation
The term flora is used to denote plants of a particular region or period. Similarly, the species of animals are referred to as fauna.
Which term is used for virgin vegetation, which have come from outside India are termed as exotic plants.
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Indigenous plants
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Endemic species
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Exotic Plants
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None of these
Explanation
The virgin vegetation, which are purely Indian are known as endemic or indigenous species but those which have come from outside India are termed as exotic plants.
Which term is used for the original plant cover of an area which has grown naturally?
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Garden
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Agriculture
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Virgin Vegetation
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Indigenous species
Explanation
Natural vegetation refers to a plant community which has grown naturally without human aid and has been left undisturbed by humans for a long time. This is termed as a virgin vegetation.
Which is not included in the group of non-flowering plants?
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Orchids
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Algae
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Fungi
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None of these
Explanation
Orchids are not included in the group of non-flowering plants cultivated crops and fruits, orchards form part of vegetation but not natural vegetation.
How do forests influences the climate of a place?
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Modify local climate
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Control wind force and temperature
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Cause rainfall
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All the above
Explanation
Forests influence the climate of a place. It controls wind force and temperature and causes rainfall. It provides humus to the soil and shelter to the wild life.
Which type of vegetation zone is found in the higher reaches of the Himalayas?
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Tropical
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Alpine
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Temperate
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None of these
Explanation
Alpine is the types of vegetation zones are found in the higher reaches of the Himalayas with mean annual average temperature below 7°C.
Which type of vegetation grows in the sandy soil of the desert?
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Coniferous trees
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Grasslands
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Cactus and thorny bushes
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None of these
Explanation
The sandy soils of the desert support cactus and thorny bushes while wet, marshy, deltaic soils support mangroves and deltaic vegetation.
The character and extent of vegetation are mainly determined by which of the climatic factor?
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Temperature
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Humidity
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Precipitation
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All the above
Explanation
The character and extent of vegetation are mainly determined by temperature, humidity and precipitation. Extent of vegetation is mainly determined by temperature along with humidity in the air, precipitation and soil.
Which type of vegetation usually develops on undulating and rough terrains?
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Mangroves
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Grasslands and woodlands
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Cactus and thorny bushed
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None of these
Explanation
The undulating and rough terrains are areas where grassland and woodlands develop and give shelter to a variety of wild life.
Which one of the following species is found in Tibet area?
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Yak
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Shaggy-horned wild ox
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Tibetan antelope
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All of these
Explanation
Ladakh’s freezing high altitudes are a home to yak, the shaggy horned wild ox weighing around one tonne, the Tibetan antelope, the bharal (blue sheep), wild sheep, and the kiang
Ebony, mahogany and rosewood trees are grown in which type of the forests?
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Coniferous forest
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Tropical rainforest
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Tropical thorn forest
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None of these
Explanation
The commercially important trees of the tropical rain forest are ebony, mahogany, rosewood, rubber and cinchona.
Why is the southern slopes in Himalayan region covered with thick vegetation?
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On account of more exposure to sunlight
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On account of more precipitation
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On account of less exposure to colder winds
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All the above
Explanation
The southern slopes in Himalayan region covered with thick vegetation as compared to northern slopes of the same hills on account of more exposure to sunlight, more precipitation, and less exposure to colder wind.
Which one of the following state of India has the least percentage of its area under forest cover?
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Bihar
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Punjab
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Madras
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Sikkim
Explanation
Punjab has the least percentage of its area under forest cover. According to India State of Forest Report 2011, the forest cover in India is 21.05 per cent.
Due to which reason the vegetation of most of the areas has been modified or replaced or degraded?
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Change of climate
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Human occupancy
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Soil erosion
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None of these
Explanation
In the hilly region of central India and the marusthali, the vegetation of most of the areas has been modified at some places, or replaced or degraded by human occupancy.
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