NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation

Detailed, Step-by-Step NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation Questions and Answers were solved by Expert Teachers as per NCERT (CBSE) Book guidelines covering each topic in chapter to ensure complete preparation.

Natural Vegetation NCERT Solutions for Class 11 Geography Chapter 5

Natural Vegetation Questions and Answers Class 11 Geography

Chapter 5

Question 1.
Choose die right answer from the four alternatives given below :

(i) Sandalwood is an example of:
(a) Evergreen forest
(b) Deciduous forest
(c) Deltaic forest
(d) Thorny forest
Answer:
(b) Deciduous forest

(ii) Which one the following was the purpose of Project Tiger?
(a) to kill tigers
(b) to put tigers in the zoo
(c) to protect tigers from illegal hunting
(d) to make films on tigers
Answer:
(c) to protect tigers from illegal hunting

NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation

(iii) In which one of the following states is the Nandadevi Biosphere Reserve situated?
(a) Bihar
(b) Uttar Pradesh
(c) Uttaranchal
(d) Orissa
Answer:
(c) Uttranchal

(iv) How many of the following numbers of Biosphere reserves are recognised by the IUCN?
(a) one
(b) two
(c) three
(d) four
Answer:
(d) four

(v) Which one of the following proportion of area of the country was targeted to be under forest in Forest Policy of India?
(a) 33
(b) 44
(c) 55
(d) 22
Answer:
(a) 33

Question 2.
Answer the following questions in about 30 words :
(i) What is natural vegetation? Under what climatic conditions do tropical evergreen forests develop?
Answer:
Natural vegetarian means plant community which grows in wild without human aid and adapts to the constraints of natural environment in size, structure and fruit requirements. The tropical evergreen forests are found in warm and humid areas with an annual precipitation of over 200 cm. and mean annual temperature above 22°C.

NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation

(ii) What do you understand by social forestry?
Answer:
Social forestry means the management and protection of forests and afforestation on barren lands with a purpose of helping in the environmental, social and rural development.

(iii) Define Biosphere reserves.
Answer:
Biosphere reserve is a unique representative ecosystem of terrestrial and coastal areas which are internationally recognised, within the framework of UNESCO’s Man and Biosphere (MAB) programme.

(iv) What is the difference between forest area and forest cover?
Answer:
Forest area – It is the area notified and recorded as forest land irrespective of the existence of trees.
Actual forest – It is the area actually occupied by forest. It is based on aerial photographs and satellite imageries.

Question 3.
Answer the following questions in not more than 150 words :
(i) What steps have been taken up to conserve forests?
Answer:
The conservation of forests is of great importance to the survival and prosperity of humankind. The government of India proposed a nationwide forest conservation policy in 1952 which was further modified in 1988. According to new forest policy the government will emphasize on sustainable forest management in order to conserve and expand forest reserve.
The policy aimed at:

  • Bringing33%of its geographical areas under forest cover, which is 6% more than the area at the national level.
  • To maintain environmental stability and to restore forests.
  • To conserve the natural heritage of the country, its biological diversity and genetic pool.
  • To check soil erosion, extension of the desert lands and reduction of floods and droughts.
  • To increase the forest cover through social forestry and afforestation.
  • Toincreasetheproductivityofforeststomaketimber,fuel,fodder and food available to rural and tribal population dependent on forests.
  • To encourage the substitution of wood.
  • To create a massive peoples movement involving women to encourage planting of trees and to stop felling of trees.

NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation

Based on the forest conservation policy following steps were initiated :

(i) Social forestry – Social forestry programme has encouraged farmers to plant trees on their own farms, wood lots are planted by the forest department for the needs of the community especially along road sides, canal banks and other such public lands. This programme has classified into urban, rural and farm forestry.

(ii) How can people’s participation be effective in conserving forests and wildlife?
Answer:
People can help in raising the social forestry programme. They can plant trees on their own farms, wood lots are planted by the forest department for the needs of the community especially along road sides, canal banks and other such public lands and community wood lots are planted by the community themselves on economically lands to be shared equally by them.

Wild life conservation has a very large ambit for the well being of ‘ humankind. This can be achieved only when every individual understands f its significance and contributes his bit. For this purpose Project Tiger (1973) and Project Elephant (1992) have been launched to conserve these species.

The main objective of the scheme is to ensure the maintenance of the viable population of tiger and preserve areas of biological importance as natural heritage for their benefit. For this purpose of effective conservation of flora and fauna special steps have been initiated. People can help in maintaining the stability of ecosystem by forestering other trophic levels in food chain which is essential to ensure an ecologically viable population of tiger.

Activity:
1 On the outline map of India, mark and label the following :
(i) Areas having Mangrove forests.
(ii) Biosphere Reserves, Nanda Devi, Sunderban, Gulf of Mannar and Nilgri.
(iii) Mark the location of Forest Survey of India Head Quarter.
Answer:
Forestry Survey of India Head Quarter situated is at Dehradun.
(See Map and identify place, marked for self doing.)
NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation 1
NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation 2

NCERT Solutions for Class 11 Geography Chapter 5 Natural Vegetation

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