20 Questions MCQ Test Geography for UPSC CSE - Test: Agriculture - 2
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Which country is the leading producer (not exporter) of rice?
Detailed Solution for Test: Agriculture - 2 - Question 3
The correct option is B.
China In the 2018/2019 crop year, China produced some 148.5 million metric tons of milled rice, a higher volume than any other country. India came in second place with 116.42 million metric tons of milled rice in that crop year.
Reindeer herding is one of the few forms of nomadic or shifting agriculture practised outside the tropics.
Detailed Solution for Test: Agriculture - 2 - Question 4
Reindeer herding is one of the forms of nomadic or shifting agriculture practised outside the tropics.
Reindeer herding is limited to some areas only. A person who conduct reindeer herding is called reindeer herders and approximately 100,000 people are engaged in reindeer herding today around circumpolar north.
What initials are used to describe what scientists are trying to do to increase the yield of crops?
Detailed Solution for Test: Agriculture - 2 - Question 5
Genetically modified crops (GM crops) are plants used in agriculture, the DNA of which has been modified using genetic engineering methods. In most cases, the aim is to introduce a new trait to the plant which does not occur naturally in the species.
Detailed Solution for Test: Agriculture - 2 - Question 6
Poultry are farmed in great numbers with chickens being the most numerous. More than 50 billion chickens are raised annually as a source of food, for both their meat and their eggs. Chickens raised for eggs are usually called layers while chickens raised for meat are often called broilers.
What sometimes happens to damage the soil when crops are irrigated?
Detailed Solution for Test: Agriculture - 2 - Question 10
Salinization refers to a build up of salts in soil, eventually to toxic levels for plants. (3,000 - 6,000 ppm salt results in trouble for most cultivated plants.) Salt in soils decreases the osmotic potential of the soil so that plants can't take up water from it.
Detailed Solution for Test: Agriculture - 2 - Question 12
What is commercial horticulture? Commercial horticulture refers to the practice of growing and cultivating plants for commercial purposes. It involves the production and sale of plants, flowers, fruits, vegetables, and other horticultural products. This industry plays a significant role in agriculture and contributes to the economy. Main features of commercial horticulture:
Raising fruit and vegetables: One of the primary activities in commercial horticulture is the cultivation of fruits and vegetables. This includes growing a wide variety of crops such as apples, oranges, tomatoes, lettuce, and more.
Greenhouse production: Commercial horticulture often involves the use of greenhouses to extend the growing season and create ideal conditions for plant growth. Greenhouses provide controlled environments, allowing for year-round production.
Plant propagation: Commercial horticulturists engage in plant propagation techniques to produce large quantities of plants. This may involve techniques like seed germination, cutting propagation, tissue culture, and grafting.
Landscaping and ornamental plants: Many commercial horticulturists also specialize in growing ornamental plants, flowers, and shrubs for landscaping purposes. These plants are often sold to nurseries, garden centers, and landscapers.
Marketing and distribution: Commercial horticulturists not only focus on plant production but also play a role in marketing and distributing their products. They may sell directly to consumers, wholesalers, retailers, or participate in farmers' markets and trade shows.
Research and technology: The field of commercial horticulture is constantly evolving, with advancements in research and technology. This includes the development of new plant varieties, improved cultivation techniques, and the use of technology for irrigation, pest control, and monitoring plant health.
In summary, commercial horticulture involves the cultivation and sale of plants, fruits, and vegetables for commercial purposes. It encompasses various activities such as fruit and vegetable production, greenhouse cultivation, plant propagation, landscaping, marketing, and research. This industry plays a vital role in providing fresh produce and ornamental plants to consumers while contributing to economic growth.
Detailed Solution for Test: Agriculture - 2 - Question 14
Sometime around 10,000-12,000 years ago, our hunter-gatherer ancestors began trying their hand at farming.
First, they grew wild varieties of crops like peas, lentils and barley and herded wild animals like goats and wild oxen. Centuries later, they switched to farming full time, breeding both animals and plants, creating new varieties and breeds. Eventually, they migrated outward, spreading farming to parts of Europe and Asia.
Who announced the introduction of National Food Security Act?
Detailed Solution for Test: Agriculture - 2 - Question 15
On July 6, 2009, Finance Minister Mr.Pranab Mukherjee announced the introduction of National Food Security Act under which BPL families in rural and urban areas will be entitled by law to 25 kg. of wheat or rice per month at Rs. 3 per kg.
Detailed Solution for Test: Agriculture - 2 - Question 18
The time needed to form a soil depends on the latitude: in environments characterized by a mild climate, it takes 200-400 years to form 1 cm of soil. In wet tropical areas soil formation is faster, as it takes 200 years. In order to accumulate enough substances to make a soil fertile it takes 3000 years.
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