Natural Vegetation Flashcards
………………………….. refers to a plants of a particular region or period, listed as a species and considered as a group
flora
Flora refers to a plants of a particular region or period, listed as a ……………………. and considered as a group
species
………………….. is the assemblage of plant species in a given environmental setup
vegetation
Vegetation is the assemblage of plant species in a given …………………………………
environmental setup
The number of species in the Eastern Himalayas vary according to …………………… and ………………………..
altitude to temperature
The Eastern Himalayas house about ………………….. species of plants
4000
In legal terminology, a forest is any land with its ……………………………
vegetative cover
What are the types of vegetation?
i) Tropical Evergreen
ii) Tropical Deciduous
iii) Tropical Desert
iv) Littoral
v) Mountain
The Western Ghats and Andaman islands are marked with ………………………………
tropical evergreen or rainforests
The Himalayas have ……………. vegetation
temperate
…………………….. provide a means of livelihood to the tribals
bamboo
………………. and …………… are used for making paper
wood and bamboo pulp
Forest products other than …………. and ………….. include essential oils, fibre, oil seed and edible products
firewood and timber
The thick layer of humus in the forest act as a …………….. and soaks up water
natural sponge
The thick layer of ……………… in the forest acts as a natural sponge and soaks up water
humus
The delta regions have ………………………..
tropical forests and mangroves
Tropical Evergreen forests are found in areas where the annual rainfalls exceeds …………..cm
200cm
In tropical evergreen forests, the average annual temperature between ………. and …………..
25 degree C to 27 degree C
The average annual humidity in tropical evergreen forest exceeds …………%
77%
The areas where tropical evergreen forests or rain forests are chiefly distributed
western slopes of the Western Ghats and hills of North-Eastern India and Lakshadweep islands, Andaman and Nicobar islands, Tamil Nadu coast
Trees in the Tropical evergreen forests can rise upto heights of more than ………m
60m
Main variety of trees found in tropical evergreen forests?
R - rosewood E - ebony M - mahogany T - toon T - teslur S - sissoo G - gurjan
Type of forest which is not fully exploited
Tropical Evergreen or Rain Forests
Why are tropical evergreen forests not fully explioted?
i) Due to lack of transport facilities
ii) Tangled masses of canes and climbers
iii) Timber is hard
The timber produced is hard, durable, and fine grained in ………………………………. forests
Tropical Evergreen or Rain forests
Tropical Deciduous Forests are also known as?
Monsoon forests
Tropical Deciduous Forests are the most ……………………. forests in India
widespread
………………………. Forests are the most widespread forests in India
Tropical Deciduous Forest
What are the 2 types of Tropical Deciduous forests?
i) Moist deciduous forest
ii) Dry deciduous forest
Tropical moist deciduous forests are found in areas of moderate of low rainfall of ………..cm to ……… cm
100cm to 200 cm
Tropical Moist Deciduous forests have a mean temperature of ……….. and ……….
24 degree C to 27 degree C
What is the percentage of humidity in Tropical Moist Deciduous forests?
50% to 80%
The areas where Tropical Moist Deciduous forests are chiefly distributed?
North-eastern part of the peninsula, foothills of Himalayas, eastern slopes of the western ghats, Uttar Pradesh, Maharashtra, Karnataka
Trees in tropical moist deciduous forests shed their leaves from ……….. to ……….. weeks during springs and early summer.
6 to8
Which is the commercially most exploited forest in India?
Tropical Moist Deciduous forests
Trees commonly found in tropical moist deciduous forests?
M - Mulberry A - Arjun S - Sal S - Shisham S - Sandalwood T - Teak P - Palas S - Semul
Dry deciduous forests are found in areas having a mean temperature of ……… to ………. degree C
23 to 27 degree C
Dry deciduous forests are found in areas receiving an annual rainfall of ……… to ……….cm
70 to 100cm
Humidity in dry deciduous forest?
51 to 58%
Areas where dry deciduous forests are chiefly distributed?
rainier parts of peninsular plateau and plains of Bihar and U.P
trees in ………………. forests shed their leaves 6 to 8 weeks during spring and early summer
Moist deciduous forests
……………….. wood is used for building railway sleepers
sal
……………. wood is suitable for building ships and used in construction and furniture
teak
Factors that influence natural vegetation?
Variation in climate
Soil Types
Relief features
Refer to the frickin Notes
Refer to the frickin notes
…………………. forests are found in places where annual rainfall is scanty
Dry Deciduous Forests
Why are tropical deciduous forests most commercially exploited?
Trees are found in pure strands and it contains valuable timber like sandalwood and teak