How is permaculture farming different from conventional chemical farming?
1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are pre-dominant.
2. Conventional chemical farming can cause an increase in soil salinity but the occurrence of such a phenomenon is not observed in permaculture farming.
3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions.
4. The practice of mulching is very important in permaculture farming but not necessarily so in conventional chemical farming.
Select the correct answer using the code given below.
The question asks to identify the correct statements comparing permaculture farming with conventional chemical farming. We need to evaluate each statement based on the principles and practices of both farming methods.
B) 1, 2 and 4 are correct statements. Statement 3 is incorrect because permaculture is well-suited for semi-arid regions, while conventional chemical farming often struggles in such environments without significant external inputs.
With reference to ‘palm oil’, consider the following statements:
1. The palm oil tree is native to Southeast Asia.
2. The palm oil is a raw material for some industries producing lipstick and perfumes.
3. The palm oil can be used to produce biodiesel.
Which of the statements given above are correct?
The question asks us to identify the correct statements regarding palm oil. We need to evaluate each statement individually based on general knowledge about palm oil production and its uses.
B) 2 and 3 only. Statements 2 and 3 are correct, while statement 1 is incorrect.
The question asks to identify which of the given rivers (Chenab, Jhelum, Ravi, Sutlej) directly joins the Indus River, while the other three pour into one of them before it joins the Indus. This requires knowledge of the Indus River System and the confluence patterns of its major tributaries, particularly the Panjnad.
Correct Option: D) Sutlej — The Sutlej is the easternmost and longest of the five rivers of Punjab. The Jhelum, Chenab, and Ravi all eventually merge into the Sutlej (with Beas also joining Sutlej) before the combined stream, known as Panjnad, joins the Indus River directly at Mithankot in Pakistan.
The question asks to identify what Didwana, Kuchaman, Sargol, and Khatu are in the context of India. This requires knowledge of Indian geography, specifically prominent natural features or sites.
D) saline lakes — Didwana, Kuchaman, Sargol, and Khatu are all names of significant saline (saltwater) lakes located in the state of Rajasthan, India. These lakes are known for their high salt content, often exploited for commercial salt production.
Consider the following rivers:
1. Brahmani
2. nagavali
3. Subarnarekha
4. Vamsadhara
Which of the above rises from the Eastern Ghats?
The question asks to identify which of the given rivers originate from the Eastern Ghats. To answer this, we need to know the source regions of each river listed.
Based on the origins, Nagavali and Vamsadhara rivers rise from the Eastern Ghats.
B) 2 and 4. The Nagavali and Vamsadhara rivers both originate from the Eastern Ghats.
Consider the following statements:
1. The Global Ocean Commission grants licenses for seabed exploration and mining in international waters.
2. India has received licenses for seabed mineral exploration in international waters.
3. ‘Rare earth minerals’ are present on the seafloor in international waters.
Which of the statements given above are correct?
The question asks to identify the correct statements regarding seabed exploration and rare earth minerals in international waters. We need to evaluate each statement individually based on knowledge of international law, organizations, and geology.
Based on the evaluation, Statement 1 is incorrect, while Statements 2 and 3 are correct.
B) 2 and 3 only
The question asks to identify the crop with the least water efficiency among the given options. Water efficiency in crops generally refers to how much yield is produced per unit of water consumed. Crops that require a large amount of water for their growth cycle and produce relatively less yield per unit of water are considered less water-efficient.
A) Sugarcane — Sugarcane is a water-intensive crop, requiring a large amount of water for its growth, often exceeding 1500 mm per season. This high water demand makes it the least water-efficient among the given choices.
Consider the following statements:
1. In the tropical zone, the western sections of the oceans are warmer than the eastern sections owing to the influence of trade winds.
2. In the temperate zone, westerlies make the eastern sections of oceans warmer than the western sections.
Which of the statements given above is/are correct?
The question asks us to evaluate two statements regarding ocean temperature distribution in tropical and temperate zones, specifically focusing on the influence of prevailing winds. We need to understand how trade winds and westerlies affect ocean currents and, consequently, sea surface temperatures.
C) Both 1 and 2 are correct. Statement 1 accurately describes the effect of trade winds in the tropical zone, causing warmer western ocean sections. Statement 2 correctly describes the effect of westerlies in the temperate zone, leading to warmer eastern ocean sections.
In the context of India’s preparation for Climate-Smart Agriculture, consider the following statements:
1. The ‘Climate-Smart Village’ approach in India is part of a project led by the Climate Change, Agriculture and Food Security (CCAFS), an international research programme.
2. The project of CCAFS is carried out under the Consultative Group on International Agricultural Research (CGIAR) headquartered in France.
3. The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in India is one of the CGIAR’s research centres.
Which of the statements given above are correct?
The question asks to identify the correct statements regarding India's preparation for Climate-Smart Agriculture, specifically focusing on the 'Climate-Smart Village' approach and its associated international organizations.
D) 1, 2 and 3. All three statements are factually correct. The 'Climate-Smart Village' approach is led by CCAFS, which is a program under CGIAR (headquartered in France), and ICRISAT (based in India) is indeed one of CGIAR's research centers.
The question describes specific characteristics of a biome, including rapid leaf litter decomposition, bare soil, and unique plant forms like climbers and epiphytes. We need to identify which biome matches these descriptions.
D) tropical rain forest — Tropical rainforests are characterized by high temperatures and rainfall throughout the year, leading to extremely rapid decomposition of organic matter due to high microbial activity. This results in nutrient-poor soil with little leaf litter accumulation. The dense canopy creates intense competition for light, prompting many plants to grow as climbers (lianas) or epiphytes (plants growing on other plants) to reach sunlight.