Assertion and Reason: Globe: Latitudes and Longitudes | Class 6: Additional Practice PDF Download

Q1: Assertion(A): There is an imaginary line running on the globe that divides it into two equal parts.
Reason(R): This line is known as the equator. The northern half is known as the Northern Hemisphere and the southern half is known as the Southern Hemisphere.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (a)
The assertion (A) is correct. The equator is an imaginary line that encircles the Earth horizontally, dividing it into two equal halves: the Northern Hemisphere and the Southern Hemisphere. The reason (R) explains the assertion correctly by stating that the equator divides the Earth into these hemispheres.

Q2: Assertion(A): The equator represents the zero degree latitude.
Reason(R): The distance from the equator to either of the Poles is one third of a circle around the earth.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. The equator represents the zero-degree latitude. However, the reason (R) is incorrect. The distance from the equator to either of the poles is not one third of a circle around the Earth. It is one-fourth of the Earth's circumference, not one-third.

Q3: Assertion(A): Directions play an important role in pinpointing a location.
Reason(R): The value of each latitude is followed by either the word East or West.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. Directions are indeed crucial for locating places accurately on the Earth's surface. However, the reason (R) is incorrect. The value of latitude is not followed by the words East or West. Latitude lines are parallel to the equator and run horizontally, while longitude lines are measured in degrees East or West and converge at the poles.

Q4: Assertion(A): The midday sun never shines overhead on any latitude beyond Tropic of Cancer and Tropic of Capricorn.
Reason(R): The angle of the Sun’s rays goes on increasing towards the poles.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. The midday sun is never directly overhead at latitudes beyond the Tropic of Cancer and Tropic of Capricorn. However, the reason (R) is incorrect. The angle of the Sun's rays does not increase towards the poles. In fact, the angle of the Sun's rays decreases as you move towards the poles, resulting in colder temperatures.

Q5: Assertion(A): Longitudes run from east or West.
Reason(R): These lines of references are called meridians of longitude and the distances between them are measured in degrees of longitude.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
Both the assertion (A) and the reason (R) are true. Longitudes do run from East to West, and these lines are called meridians of longitude. The distances between meridians are measured in degrees of longitude. However, the reason doesn't directly explain why longitudes run from East to West, making option (b) the correct choice.

Q6: Assertion(A): The Prime Meridian is located at the British Royal Observatory in Greenwich.
Reason(R): Its value is zero degree longitude and from it, we count 180 degrees eastward as well as 180 degrees Westward.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
Both the assertion (A) and the reason (R) are true. The Prime Meridian is indeed located at the British Royal Observatory in Greenwich, and its value is zero degrees longitude. However, the reason doesn't directly explain why the Prime Meridian is located there, making option (b) the correct choice.

Q7: Assertion(A): The movement of the planetary bodies plays a pivotal part in measuring time.
Reason(R): The sun is the best time keeper throughout the world.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
Both the assertion (A) and the reason (R) are true. The movement of planetary bodies, especially the rotation of the Earth, is crucial for measuring time. The reason states a fact about the sun being a timekeeper, but it doesn't directly explain why the movement of planetary bodies is important, making option (b) the correct choice.

Q8: Assertion(A): The Prime Meridian of Greenwich is a reference point.
Reason(R): When the Prime Meridian of Greenwich has the sun at the highest point in the sky, all the places around this meridian will have midday or noon.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
Both the assertion (A) and the reason (R) are true. The Prime Meridian is indeed a reference point for measuring longitudes. However, the reason doesn't directly explain why the Prime Meridian is a reference point, making option (b) the correct choice.

Q9: Assertion(A): A country can have more than one Standard Time.
Reason(R): This is because they have great latitudinal extent, and so they have adopted more than one Standard Time.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. Countries with large latitudinal extents may adopt multiple Standard Times due to the variation in solar time across their territory. However, the reason (R) is not accurate. The adoption of multiple Standard Times is not solely based on latitudinal extent.

Q10: Assertion(A): The northern and southern Hemisphere are proportionally divided.
Reason(R): All parallel circles from the equator up to the poles are called parallels of latitudes.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
Both the assertion (A) and the reason (R) are true. The Earth's hemispheres are divided based on the equator, but the reason doesn't directly explain the proportional division of the hemispheres, making option (b) the correct choice.

Q11: Assertion(A): The Equator is an actual line going through the centre of the Earth.
Reason(R): It is considered a very important reference point to locate places on the Earth.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (d)
The assertion (A) is false. The Equator is an imaginary line encircling the Earth, not an actual physical line going through the center. The reason (R) is true as the Equator is an important reference point for geographical coordinates.

Q12: Assertion: There are four important parallels of latitude.
Reason(R): Tropic of Capricorn at 23 and a half degree north in the Northern hemisphere.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. There are important parallels of latitude, such as the Equator, Tropic of Cancer, Tropic of Capricorn, and the Arctic Circle. However, the reason (R) is incorrect. The Tropic of Capricorn is at 23.5 degrees South, not North.

Q13: Assertion(A): The areas beyond Tropic of Cancer and Tropic of Capricorn are temperate zones
Reason(R): Due to their moderate temperatures, they are known as temperate zones.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (a)
Both the assertion (A) and the reason (R) are true. The areas beyond the Tropic of Cancer and Tropic of Capricorn are indeed temperate zones due to their moderate temperatures. The reason correctly explains why these areas are known as temperate zones.

Q14: Assertion(A): The sun does not rise much above the horizon.
Reason(R): The areas lying between the Arctic Circle in the South Pole and the Antarctic circle in the North Pole are very cold.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is correct. In polar regions, the sun does not rise much above the horizon, resulting in colder conditions. However, the reason (R) is incorrect. The areas between the Arctic Circle and the Antarctic Circle are not known for being very cold; rather, they experience extreme cold due to their polar locations.

Q15: Assertion(A): The Prime Meridian and 180 degree Meridian divides the Earth into four equal parts.
Reason(R): 180 degree east and 180 degree West meridians are on the same line.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (d)
The assertion (A) is false. The Prime Meridian and the 180-degree Meridian do not divide the Earth into four equal parts; they divide it into Eastern and Western Hemispheres. The reason (R) is true, as the 180-degree meridians are indeed on the same line but don't lead to the assertion being true.

Q16: Assertion(A): Just like parallels of latitude, meridians are not in equal length.
Reason(R): The longitudes are semi circles and distance between them decreases steadily pole wards until it becomes zero at the poles, where all the meridians meet.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (d)
The assertion (A) is false. Unlike parallels of latitude, which are not of equal length, meridians of longitude converge at the poles and are of equal length. The reason (R) is true, explaining the convergence of meridians at the poles.

Q17: Assertion(A): Local time can be reckoned by the shadow cast by the Sun.
Reason(R): The shadow of the sun is longest at noon and shortest at sunrise and sunset.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (d)
The assertion (A) is false. Local time can be reckoned by observing the position of the Sun in the sky, but it's not solely determined by the length of the shadow. The reason (R) is true, as the shadow of the sun is indeed longest at noon when the sun is directly overhead.

Q18: Assertion(A): There is a striking need for a Standard Time.
Reason(R): In India, the longitude of 82 and a half degree east is treated as the standard Meridian.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (c)
The assertion (A) is true. Standard Time is crucial for coordinating activities and communications across different regions. However, the reason (R) is incorrect. In India, the standard meridian is 82.5 degrees east, not 82.5 degrees west.

Q19: Assertion(A): The Earth has been divided into 24 time zones of one hour each.
Reason(R): Each zone covers 15 degrees of longitude. In Russia there are as many as 11 standard times.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (b)
The assertion (A) is true. The Earth is indeed divided into 24 time zones of one hour each. However, the reason (R) doesn't directly explain why the Earth is divided into time zones, making option (b) the correct choice.

Q20: Assertion(A): The midday sun is exactly overhead at least once a year.
Reason(R): This area therefore receives the maximum heat and is called the torrid zone.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Ans: (a)
Both the assertion (A) and the reason (R) are true. The midday sun is directly overhead within the region known as the torrid zone, leading to the maximum heat in that area. The reason correctly explains why the midday sun is overhead at least once a year.