MCQ
upsc-p1-geography-universe-solar-system MCQ - Practice Questions with Answers
Solve 5 upsc-p1-geography-universe-solar-system questions for RAS/RPSC preparation.
Practice questions
Q1Consider the following statements about insolation: 1. The same solar beam is spread over a smaller area at high latitudes than at low latitudes. 2. Insolation received at a place varies with factors such as latitude, season, time of day, cloud cover, altitude and slope. Which one of the following is correct?
Statement 2 only is correct. At high latitudes the same solar beam spreads over a larger, not smaller, area and passes through more atmosphere. Insolation also varies with the listed geographic and atmospheric controls.
Q2With reference to Earth's revolution and seasons, consider the following statements: 1. Earth is near perihelion in early January. 2. Earth's axis flips its direction during each annual revolution. 3. An equinox produces exactly 12 hours of day and 12 hours of night at every place on Earth. Which of the statements given above is/are correct? Select the correct answer using the code given below.
Only Statement 1 is correct. Earth's axis remains nearly parallel to itself during revolution; it does not flip annually. Equinox gives nearly equal day and night, but refraction, the local horizon and the Sun's finite apparent size prevent exact 12-hour equality everywhere.
Q3With reference to Earth's rotation, consider the following statements: 1. Earth rotates from west to east. 2. The Coriolis effect is zero at the Equator and increases poleward. 3. A sidereal day is roughly 4 minutes longer than a mean solar day. Which of the statements given above are correct? Select the correct answer using the code given below.
Statements 1 and 2 are correct. West-to-east rotation produces the apparent daily east-to-west motion of celestial bodies and underlies the Coriolis effect. A sidereal day is roughly 4 minutes shorter, not longer, than a mean solar day.
Q4Match List I with List II and select the correct answer using the code given below. List I (Planet): A. Mercury; B. Venus; C. Jupiter; D. Earth List II (Distinction): 1. Hottest planet; 2. Densest planet; 3. Largest planet; 4. Smallest planet
Mercury is the smallest planet, Venus is the hottest, Jupiter is the largest, and Earth is the densest among the planets. Thus the correct matching is A-4, B-1, C-3 and D-2, given in option C.
Q5Match List I with List II and select the correct answer using the code given below. List I (Condition): A. New Moon near a node; B. Full Moon near a node; C. First quarter; D. Earth's rotation List II (Result): 1. Neap tide; 2. Solar eclipse possible; 3. Day and night; 4. Lunar eclipse possible
A solar eclipse is possible at new Moon with node alignment, while a lunar eclipse is possible at full Moon with node alignment. First quarter is associated with neap tide, and Earth's rotation produces day and night. This gives A-2, B-4, C-1 and D-3 in option A.
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