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CSS :: Importance of Trees


41.  Source of heating cooking, construction wood and minor produce is:
A. Fuel wood B. Charcoal
C. Production of construction timber D. Wood based industries as livelihood for the people
E. All of the above    

42.  Fuel wood is:
A. Wood has a significant role to play in meeting the domestic energy requirements B. Wood fuels must replace commercial fuels to save the scarce foreign exchange and release natural gas for better and more productive utilization
C. Both (a) & (b) D. None of these

43.  Charcoal is:
A. An important wood related industry B. It is essentially a cottage industry operating mainly in the private sector
C. Both (a) & (b) D. None of these

44.  Charcoal - the main species are:
A. Acacia nilotica B. Dalbergia sissoo
C. Prosopis spp D. All of the above

45.  Production of constructional timber is:
A. The main enduses are all kinds of building construction wood containers and creates, cots and beds, mining timber B. All sorts of carts, truck, bus and trolley bodies, bamboo carts, boards, railway carriages
C. Building construction and wood containers alone constitute about 50% of the consumption D. All of the above

46.  Wood based industries as livelhood for the people is/are:
A. Livelihood of thousand of people depends on the wood based industries B. These one their existence primarily on the wood produce on the farmlands
C. Seasoned wood, wood treated with preservatives and wood in the form of veneer and board are an important component of these industries D. All of the above

47.  Several kinds of minor forest produce are available from the forested areas; these include _________
A. Flosses, medicinal plants, B. Gums, essential oils rosin and turpentine tannins
C. Silk and lack production D. All of the above

48.  Distillation and extraction products is / are:
A. Deodar wood oil, chir oil and katha etc are some of the products of distillation and extraction, eucalypt leaves give oil B. Lemon gras (Cymbopogan citrates) yield excellent oil.
C. Both (a) & (b) D. None of these

49.  Important gum producing species are:
A. Acacia nilotica B. Acacia catechu
C. Acacia senegal D. All of the above

50.  Important medicinal plants occurring in different provinces of Pakistan are:
A. Boluchistan: Ephedra nebrodensis, Juniperis excelsa, Ferula foetida, Glycyrrhiza glabra B. Sindh: Cassia angustifolia, Ricinus communis, Commiphora mukul, Citrulus colocynthis
C. Punjab: Cannabis sativa, Fumaria indica, Cassia fistula, dhatoda vesica, Datura alba D. KPK: Artimestia maritime, Hyoscyamus niger, Dioscorea deltoidea, Valeriana wallichii
E. All of the above    




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