281. The period of daylight

is nearly constant near the equator
varies with latitude and the season
All of the above

Detailed SolutionThe period of daylight

282. The major motion of the planet earth includes

rotation
revolution
both (a) and (b)
any of these depending upon the question under construction

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283. The tunnel that connects France and Italy is

St. Gothard road tunnel
Mont Blane tunnel
Mersey (Queens way) tunnel
Orange Fish rivers tunnel

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connects France and Italy is" class="read-more button" href="https://exam.pscnotes.com/mcq/the-tunnel-that-connects-france-and-italy-is/#more-42983">Detailed SolutionThe tunnel that connects France and Italy is

284. The light of distant stars is affected by

the earth's atmosphere
interstellar dust
both (a) and (b)
None of the above

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affected by" class="read-more button" href="https://exam.pscnotes.com/mcq/the-light-of-distant-stars-is-affected-by/#more-42976">Detailed SolutionThe light of distant stars is affected by

285. The largest gulf in the world is

Gulf of Mexico
Persian Gulf
Gulf of Carpentaria
Gulf of Mannar

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286. The island of Sri Lanka formerly known as

Madagascar
Tasmania
Ceylon
None of the above

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287. The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of

small, progressive changes in the earth's rotational speed
small, progressive change in earth's orbit around the sun
both (a) and (b)
None of the above

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length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of" class="read-more button" href="https://exam.pscnotes.com/mcq/the-length-of-the-tropical-years-the-time-interval-between-successive-occurrences-of-the-spring-equinox-is-decreasing-very-slowly-as-a-result-of/#more-42911">Detailed SolutionThe length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of

288. The study of soils is called

geomorphology
pedology
hydrology
biogeography

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button" href="https://exam.pscnotes.com/mcq/the-study-of-soils-is-called/#more-42899">Detailed SolutionThe study of soils is called

289. The land-sea distribution or the positions of the world’s continents and major oceans influences

the major pressure belts that develop from the general circulation of the atmosphere
the development of the mid-latitude cyclonic depressions, at the convergence zone between polar and
both (a) and (b)
None of the above

Detailed SolutionThe land-sea distribution or the positions of the world’s continents and major oceans influences

290. The length of the day is determined in

astronomical units
solar terms
length of the hours
None of the above

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in" class="read-more button" href="https://exam.pscnotes.com/mcq/the-length-of-the-day-is-determined-in/#more-42875">Detailed SolutionThe length of the day is determined in


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