Free Agroforestry MCQs with Answers

• A. Agrisilvicultural
• B. Silvopastoral
• C. All of the above
• D. Agrosilvopastoral

Explanation: The principal agroforestry categories are agrisilvicultural, silvopastoral and agrosilvopastoral systems.

• A. The multipurpose tree and shrubs could be defined as trees grown deliberately
• B. Kept and managed for preferably more than one intended use
• C. All of the above
• D. Services in any multipurpose land use system, especially agroforestry system
• E. Usually economically motivated major products

Explanation: Multipurpose trees and shrubs are deliberately retained or managed for several products or services, often including economically…

• A. Both (a) & (b)
• B. But in a broad sense every tree has at least the triple functions of protective, productive and socio-economic roles
• C. The trees with many uses would be preferred to those with one single use
• D. None of these

Explanation: Multipurpose trees are preferred because several uses increase their value, while trees also provide protective, productive and…

• A. Moderation of micro/macro climatic parameters, checking soil erosion and water run-off
• B. All of the above
• C. Wildlife habitats
• D. Past and weed control
• E. Soil improvement/fertility build up, water conservation and flow moderation

Explanation: Protective functions include climate moderation, erosion and runoff control, soil and water conservation, habitat provision, and pest or…

• A. Wood: timber, building material, veneers, chipboards and other panel products, pulp and paper, rayon etc.
• B. Bark: Raw as fuel, dyes, tannis and chemical extraction etc.
• C. None of these
• D. Both (a) & (b)

Explanation: Productive outputs from multipurpose trees include wood products such as timber and pulp, as well as bark used for fuel, dyes, tannins and…

• A. Employment generation
• B. Income generation - foreign exchange
• C. All of the above
• D. Public education
• E. Import substitution

Explanation: Socio-economic benefits include creating employment, generating income and foreign exchange, reducing imports through substitution, and…

• A. Parthenium hysterophorus
• B. Solanum nigrum
• C. Hydrilla
• D. Eichhornia crassipes
• E. All of these

Explanation: Eichhornia crassipes, or water hyacinth, is commonly digested anaerobically to produce biogas in addition to animal dung.

• A. A small deciduous tree with thick branches and copious milky juice
• B. Leaves spirally arranged
• C. All of the above
• D. 6-12 inches long

Explanation: Plumeria obtusa is a small deciduous tree with thick branches and abundant milky latex; its leaves are spirally arranged and commonly…

• A. A large tree
• B. Leaves 1-2 feet
• C. Long bipinnate
• D. All of the above

Explanation: Jacaranda mimosifolia is a large ornamental tree with very long, often 1–2-foot, bipinnate leaves.

• A. Both (a) & (b)
• B. 4-8 feet high twigs usually more or less prickly pubescent, prickles
• C. A large scrambling evergreen shrub
• D. None of these

Explanation: Lantana camara is a scrambling evergreen shrub, commonly about 4–8 feet high, with pubescent and sometimes prickly twigs.

• A. Rose is the most popular and most enchanting flower not only for its look or fragrance
• B. Its various medicinal and commercial uses
• C. Both (a) & (b)
• D. None of these

Explanation: Rosa indica is valued both for its attractive appearance and fragrance and for its medicinal and commercial uses.

• A. A very useful flower which has variety of uses
• B. Its ideal time for sowing is spring season
• C. None of these
• D. Both (a) & (b)

Explanation: Marigold or genda is a useful ornamental and commercial flower, and spring is a suitable sowing season in the relevant South Asian…

• A. All of the above
• B. It is also used to prepare oil
• C. It is a very delicate flower and needs meticulous care
• D. It is very soft and sweet flower of enchanting fragrance

Explanation: Jasmine is prized for its delicate, sweet fragrance, is used in making essential oil, and requires careful cultivation because its flowers…

• A. An erect glabrous evergreen shrub with milky juice
• B. All of the above
• C. flowers 1-5 inches across red pink or white fragrant in terminal panicles
• D. Leave ternate, sometimes opposite, thick coriaceous

Explanation: Nerium indicum, or oleander, is an erect glabrous evergreen shrub with milky latex, leathery leaves usually in whorls of three, and showy…

• A. Encourage large scale growing of trees on private farms by providing subsidized nursery stock and technical assistance
• B. Encourage the private growing of industrial wood.
• C. All of the above
• D. Promote growing of compact plantations on waterlogged, saline and other marginal private lands

Explanation: Farm forestry includes encouraging tree planting by private landholders, supplying technical support and subsidised plants, and…

• A. It is essential to protect and improve rangelands through integrated extension services and approaches
• B. Initiate provincial integrated rangelands, fodder and livestock improvement programmes
• C. Coordinate range management research with research on livestock improvement feed and marketing
• D. All of the above
• E. Establish owner-grazier associations to devise and ensure regulated rotational grazing

Explanation: Rangeland improvement requires protection, extension services, coordinated fodder and livestock programmes, research linked to feed and…

• A. 6,500 to 23,00 m3
• B. 5,500 to 20,500 m3
• C. 4,500 to 18,500 m3
• D. None of these

Explanation: The intended comparative figure for the additional tree group is about 6,500 to 23,000 m³ per hectare per year.

• A. 60,80
• B. 50,70
• C. 45,60
• D. None of these

Explanation: Under optimum water supply, a three-year-old poplar is cited as consuming about 45 litres daily, while Tamarix gallica consumes about 60…

• A. Clostridium
• B. Azotobacter
• C. Nitrobacter
• D. Rhizobium

Explanation: Rhizobium lives in the root nodules of leguminous plants and fixes atmospheric nitrogen into forms the plant can use.

• A. 1970
• B. 1972
• C. 1974
• D. 1976

Explanation: Norman Borlaug received the 1970 Nobel Peace Prize for his contribution to the Green Revolution, which greatly increased food production…