world economic industry trade agriculture section 6 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (b)

Malawi is a landlocked country in southeast Africa that was formerly known as Nyasaland. Malawi runs a Presidential system and is the Unitary Republic. Malawi’s economy is highly dependent on agriculture and the majority of the population is rural.

The government depends heavily on foreign aid to meet its development needs.

Answer: (c)

Answer: (a)

Cultivation of rubber in Brazil, its native habitat, was severely hindered by blight in the early 20th century. At present, most of the world’s natural rubber is produced by rubber trees descended from rubber seedlings transplanted from South America to south and southeast Asia.

The most severe disease is South American Leaf Blight (SALB). This disease is endemic throughout the rubber growing areas in the Americas. It also poses a major global threat. The fungus can be controlled by a number of fungicides.

Some species are not susceptible to the disease, and some strains of susceptible species are resistant. Crown budding or grafting of resistant plants onto productive trees can be used to control spread.

Answer: (c)

Answer: (b)

The yellow stone National Park is located in USA. Yellow Stone National Park is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872.