natural vegetation

Question 1

What is natural vegetation?

Answer 1

it refers to a plant community which has grown naturally without human aid and has been left undisturbed by human beings for a long time

Question 2

What is flora and fauna?

Answer 2

flora- plants of a particular region

fauna refers to the species of animals

Question 3

what is an ecosystem?

Answer 3

an ecosystem is an integrated unit consisting of community of living organisms and physical environment

Question 4

state any two factors that form the flora and fauna of that region?

Answer 4

soil, relief, climate

Question 5

what is a biome?

Answer 5

a very large ecosystem of land having distinct types of vegetation and animal life is called biome

Question 6

name the vegetation belts of india

Answer 6

tropical rainforests
tropical deciduous forests
thorn forests
littoral forests
mountain forests

Question 7

name any two regions in india where tropical evergreen forests are found

Answer 7

western side of western Ghats, north eastern india, west bengal. assam

Question 8

name three commercially useful trees of tropical rainforests

Answer 8

rosewood, ebony, mahogany

Question 9

mention any two factors responsible for deforestation

Answer 9

overgrazing by animals

commercialisation of agriculture

Question 10

the tropical rainforests appear green all year round. give reason

Answer 10

there is no definite time for the trees of tropical rainforests to shed their leaves. thus they appear green all year round

Question 11

which forest type is also known as monsoon forests?

Answer 11

tropical deciduous forests

Question 12

name an area in india where tropical monsoon forests is found

Answer 12

foothills of himalayas
jharkhand
eastern slopes of western ghats

Question 13

which are the most widespread forests of india

Answer 13

tropical deciduous forests

Question 14

state the categories into which tropical deciduous forests are divided

Answer 14

moist deciduous forests and dry deciduous forests

Question 15

name one important tree of moist deciduous and dry deciduous forests

Answer 15

moist deciduous - teak

dry deciduous - sal

Question 16

name some useful trees of thorn forests

Answer 16

babul, date palm, khair, kikar

Question 17

name two evergreen trees

Answer 17

rosewood, ebony

Question 18

name some trees of mountains

Answer 18

silver fir, pine, junipers

Question 19

what type of trees grow in tidal forests ?give an

example

Answer 19

mangrove trees grow in tidal forests,. ex:sundari tree

Question 20

explain with example how altitude and temperature can affect the type of vegetation?

Answer 20

on the slopes of the himalayas and hills of the peninsula above the height of 915m, there is a fall in temperature. this affects the type of vegetation and its growth. in foothills of himalayas, tropical deciduous forests are found but when the altitude rises, mountain forests are found

Question 21

name two areas where the thorn and scrub forests are formed

Answer 21

central and eastern rajasthan
madhya pradesh
gujarat
chhattisgarh

Question 22

name any one medicinal plant

Answer 22

neem

Question 23

Why are the leaves of thorn forests small and stem succulent?

Answer 23

the leaves of thorn forests are small to minimise evaporation
the stems are succulent to conserve water

Question 24

where is alpine vegetation found?

Answer 24

at high altitudes, generally more than 3600 metres above sea level

Question 25

mention one feature of thorn forests

Answer 25

it is found in regions with less than 50cm of rainfall

Question 26

'"great variety of vegetation is found in different parts of india" give two reasons

Answer 26

1) unequal distribution of rainfall and temperature | 2) different regions have different types of soil

Question 27

"the trees of tropical evergreen forest do not shed their leaves annually"give reason

Answer 27

Due to the absence of a particular dry season and because of high heat and high humidity, the trees of tropical evergreen forest do not shed their leaves

Question 28

Name the type of vegetation which is found in the areas recording over 150 cm of rainfall and temperature between 25 and 27

Answer 28

Tropical evergreen forest

Question 29

mention any two important trees of tropical rainforest

Answer 29

ebony and mahogany

Question 30

which is the typical monsoon forest?

Answer 30

tropical deciduous forests

Question 31

give on important use of the following trees teak bamboo

Answer 31

teak is used in the manufacture of outdoor furniture | Bamboo is an important source of fuel

Question 32

Why the trees of thorn forest have stunted growth

Answer 32

due to the lack of minerals and water

Question 33

Why the thorn forests have long roots

Answer 33

The long roots enable them to obtain water from deep underground

Question 34

Why thorn vegetation have sharp spines?

Answer 34

The sharp spines help the trees and bushes conserve water and protect them from animals

Question 35

Mention any one use of the following trees babul kikar

Answer 35

The leaves and bark of babul are used in arresting secretion or bleeding The leaves and bark of kikar are used in arresting secretion or bleeding

Question 36

What is the importance of sundari trees?

Answer 36

It provides hard and durable timber which is used for construction and building purposes as well as for making boats

Question 37

"The forest occur in and around the delta estuaries and creeks prone to tidal influences"identify the forest

Answer 37

littoral or tidal forest

Question 38

When was india's forest policy framed?

Answer 38

1894

Question 39

Mention the main plank of forest policy of 1988

Answer 39

Protection , conservation and development of forest

Question 40

Mention any two movements associated with forest conservation of india

Answer 40

van mahotsava and chipko movement

Question 41

What is main thrust area of social forestry?

Answer 41

The main thrust of social forestry is to reduce pressure on traditional forest areas by developing plantations of fuel wood, fodder and grasses. social forestry has become very popular during the last three decades

Question 42

name the apex body which is responsible for forest research , planning and conservation

Answer 42

Indian council of forestry research and education (ICFRE)

Question 43

WHERE IS INDIAN FOREST RESEARCH INSTITUTE?

Answer 43

Dehradun

Question 44

What is JFM?

Answer 44

It is joint forest management programme to develop and protect the forests with the help of local communities

Question 45

Write two reasons why monsoon deciduous forests are commercially more valuable than other types of forests

Answer 45

1) the tropical forests yield sandalwood,semal, teak, sal etc which can be used for making furniture and other products 2) These forests yield bamboo which is used for construction work, furniture fibre and paper