Test: Natural Vegetation - UPSC MCQ

Farm Forestry means growing trees on farmlands for commercial purposes like timber production or for variety of non-commercial purposes like groundwater control, prevention of soil erosion, prevention of polluting nutrients in the soil etc.

Tropical Deciduous forests are also called monsoon forests. They are spread over regions that receive rainfall between 70 and 200 cm. On the basis of the availability of water, these forests are further divided into moist and dry deciduous.

In the western and southern part of Rajasthan, vegetation cover is very scanty due to low rainfall and overgrazing.

The world's richest regions from a marine biodiversity is Gulf of Mannar biosphere reserve. It covers an area of 105,000 hectares on the south east coast of India.

Bamboos thrive in moist, but well-drained soil in a sheltered, sunny spot. They tolerate most soil types, but some, such as Shibatea, require acid soil or ericaceous potting compost. Bamboo will grow in poor soils, but not in constant wet, boggy or extremely dry conditions.

These forests receive rainfall less than 50 cm and temperatures can exceed a scorching 45 degree Celsius during the hotter months of the year.

The Nanda Devi Biosphere Reserve is situated in Uttarakhand, which includes the parts of Chamoli, Almora, Pithoragarh and Bageshwar districts.

Project Tiger has been implemented since 1973. The main objective of the scheme is to ensure maintenance of viable population of tigers in India for scientific, aesthetic, cultural and ecological values.

Bamboo's natural hollow form makes it an obvious choice for many instruments, particularly wind and percussion. There are numerous types of bamboo flute made all over the world, such as the dizi, xiao, shakuhachi, palendag, jinghu and angklung.

The correct option is Option A.

Tropical Thorn Forests : 

1. These occur in the areas which receive rainfall less than 50 cm. It includes semi-arid areas of south west Punjab, Haryana, Rajasthan, Gujarat, Madhya Pradesh and Uttar Pradesh. 

2. These consist of a variety of grasses and shrubs. In these forests, plants remain leafless for most part of the year and give an expression of scrub vegetation.

3. Important species found are babool, ber and wild date palm, khair, neem, khejri, palas, etc. Tussocky grass upto a height of 2m as the under growth.