What percent of Earth surface area is covered with water? [#835]
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Q1. What percent of Earth surface area is covered with water?
Q1. What percent of Earth surface area is covered with water?
(A) 97%
(A) 97%
(A) 97%
(B) 71%
(B) 71%
(B) 71%
(C) 80%
(C) 80%
(C) 80%
(D) 78%
(D) 78%
(D) 78%
Answer: (B) 71%
Answer: (B) 71%
Answer: (B) 71%
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.
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Related MCQ Quizzes
Q1. Water has maximum density at
Q1. Water has maximum density at
(A) 100 °C
(A) 100 °C
(A) 100 °C
(B) -40 °C
(B) -40 °C
(B) -40 °C
(C) 0 °C
(C) 0 °C
(C) 0 °C
(D) 4 °C
(D) 4 °C
(D) 4 °C
Answer: (D) 4 °C
Answer: (D) 4 °C
Answer: (D) 4 °C
Water has its maximum density at 4° Celsius (39.2° Fahrenheit), in its liquid phase. At this temperature, water's density is 0.9998395 grams per milliliter (g/ml). This is slightly less than 1 g/ml.
Water behaves abnormally at this temperature. When water is heated from 0° Celsius, its volume decreases until it reaches 4° Celsius. Above 4° Celsius, water's volume increases as the temperature increases. At 4° Celsius, the cage-like structure of water begins to break and come closer, which decreases the volume and increases the density. Water's solid phase, ice, is more buoyant and forms at the surface of bodies of water, where it freezes downward.
Water has its maximum density at 4° Celsius (39.2° Fahrenheit), in its liquid phase. At this temperature, water's density is 0.9998395 grams per milliliter (g/ml). This is slightly less than 1 g/ml. Water behaves abnormally at this temperature. When water is heated from 0° Celsius, its volume decreases until it reaches 4° Celsius. Above 4° Celsius, water's volume increases as the temperature increases. At 4° Celsius, the cage-like structure of water begins to break and come closer, which decreases the volume and increases the density. Water's solid phase, ice, is more buoyant and forms at the surface of bodies of water, where it freezes downward.
Water has its maximum density at 4° Celsius (39.2° Fahrenheit), in its liquid phase. At this temperature, water's density is 0.9998395 grams per milliliter (g/ml). This is slightly less than 1 g/ml. Water behaves abnormally at this temperature. When water is heated from 0° Celsius, its volume decreases until it reaches 4° Celsius. Above 4° Celsius, water's volume increases as the temperature increases. At 4° Celsius, the cage-like structure of water begins to break and come closer, which decreases the volume and increases the density. Water's solid phase, ice, is more buoyant and forms at the surface of bodies of water, where it freezes downward.
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Q2. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
Q2. If the salary of A is 25% more than that of B, how much percentage is the salary of B lower than that of A?
(A) 20%
(A) 20%
(A) 20%
(B) 25%
(B) 25%
(B) 25%
(C) 12%
(C) 12%
(C) 12%
(D) 16%
(D) 16%
(D) 16%
Answer: (A) 20%
Answer: (A) 20%
Answer: (A) 20%
20%
= %
%
= 20%
20% = % % = 20%
20% = % % = 20%
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Q3. At which place on earth are there days & nights of equal length always?
Q3. At which place on earth are there days & nights of equal length always?
(A) Poles
(A) Poles
(A) Poles
(B) Equator
(B) Equator
(B) Equator
(C) Prime Meridian
(C) Prime Meridian
(C) Prime Meridian
(D) Nowhere
(D) Nowhere
(D) Nowhere
Answer: (B) Equator
Answer: (B) Equator
Answer: (B) Equator
The Equator is the unique imaginary line on Earth where days and nights are of nearly equal length (approximately 12 hours each) every single day of the year. This phenomenon occurs because the Equator is always positioned perpendicular to the Sun's rays, regardless of Earth's tilt on its axis as it orbits the Sun. The line that divides the illuminated half of the Earth from the dark half (the terminator) consistently bisects the Equator almost perfectly, ensuring a consistent balance between daylight and darkness. This contrasts sharply with other latitudes, especially those closer to the poles, where day and night lengths vary significantly with the seasons.
The Equator is the unique imaginary line on Earth where days and nights are of nearly equal length (approximately 12 hours each) every single day of the year. This phenomenon occurs because the Equator is always positioned perpendicular to the Sun's rays, regardless of Earth's tilt on its axis as it orbits the Sun. The line that divides the illuminated half of the Earth from the dark half (the terminator) consistently bisects the Equator almost perfectly, ensuring a consistent balance between daylight and darkness. This contrasts sharply with other latitudes, especially those closer to the poles, where day and night lengths vary significantly with the seasons.
The Equator is the unique imaginary line on Earth where days and nights are of nearly equal length (approximately 12 hours each) every single day of the year. This phenomenon occurs because the Equator is always positioned perpendicular to the Sun's rays, regardless of Earth's tilt on its axis as it orbits the Sun. The line that divides the illuminated half of the Earth from the dark half (the terminator) consistently bisects the Equator almost perfectly, ensuring a consistent balance between daylight and darkness. This contrasts sharply with other latitudes, especially those closer to the poles, where day and night lengths vary significantly with the seasons.
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Q4. A number was increased by 40% and thereafter decreased by 40%. The net change in the number in percentage is
Q4. A number was increased by 40% and thereafter decreased by 40%. The net change in the number in percentage is
(A) 16% increase
(A) 16% increase
(A) 16% increase
(B) 16% decrease
(B) 16% decrease
(B) 16% decrease
(C) 32% decrease
(C) 32% decrease
(C) 32% decrease
(D) No change
(D) No change
(D) No change
Answer: (B) 16% decrease
Answer: (B) 16% decrease
Answer: (B) 16% decrease
16% decrease
= 40-40-%
= -%
= -16%
16% decrease = 40-40-% = -% = -16%
16% decrease = 40-40-% = -% = -16%
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Q5. How many times the Jupiter is bigger than the Earth by diameter?
Q5. How many times the Jupiter is bigger than the Earth by diameter?
(A) 8
(A) 8
(A) 8
(B) 9
(B) 9
(B) 9
(C) 10
(C) 10
(C) 10
(D) 11
(D) 11
(D) 11
Answer: (D) 11
Answer: (D) 11
Answer: (D) 11
11
With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth.
11
With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth.
With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth.
11
With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth.
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Q6. If the price of sugar increases by 20%, by what percentage should a household reduce its consumption of sugar so that the budget remains the same?
Q6. If the price of sugar increases by 20%, by what percentage should a household reduce its consumption of sugar so that the budget remains the same?
(A)
(A)
(A)
(B)
(B)
(B)
(C)
(C)
(C)
(D)
(D)
(D)
Answer: (D)
Answer: (D)
Answer: (D)
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Q7. What is the term for the movement of water through a plant, from the roots to the leaves, and is then released into the air as water vapor?
Q7. What is the term for the movement of water through a plant, from the roots to the leaves, and is then released into the air as water vapor?
(A) Respiration
(A) Respiration
(A) Respiration
(B) Photosynthesis
(B) Photosynthesis
(B) Photosynthesis
(C) Transpiration
(C) Transpiration
(C) Transpiration
(D) Evaporation
(D) Evaporation
(D) Evaporation
Answer: (C) Transpiration
Answer: (C) Transpiration
Answer: (C) Transpiration
Transpiration is the process by which plants transport water and minerals from the roots to the leaves, where it is used for photosynthesis and other metabolic processes. Excess water is released into the air as water vapor through tiny openings called stomata.
Transpiration is the process by which plants transport water and minerals from the roots to the leaves, where it is used for photosynthesis and other metabolic processes. Excess water is released into the air as water vapor through tiny openings called stomata.
Transpiration is the process by which plants transport water and minerals from the roots to the leaves, where it is used for photosynthesis and other metabolic processes. Excess water is released into the air as water vapor through tiny openings called stomata.
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Q8. Approximately what percentage of india’s tea output comes from Assam?
Q8. Approximately what percentage of india’s tea output comes from Assam?
(A) 30%
(A) 30%
(A) 30%
(B) 40%
(B) 40%
(B) 40%
(C) 50%
(C) 50%
(C) 50%
(D) 60%
(D) 60%
(D) 60%
Answer: (C) 50%
Answer: (C) 50%
Answer: (C) 50%
50%
There are more than 850 tea estates and more than 2500 tea gardens in Assam covering thousands of acres of land of the state. Assam accounts for 1/6th of the tea produced in the world and 52 percent in the country.
50% There are more than 850 tea estates and more than 2500 tea gardens in Assam covering thousands of acres of land of the state. Assam accounts for 1/6th of the tea produced in the world and 52 percent in the country.
50% There are more than 850 tea estates and more than 2500 tea gardens in Assam covering thousands of acres of land of the state. Assam accounts for 1/6th of the tea produced in the world and 52 percent in the country.
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Q9. When did bank erosion in Majuli begin after an earthquake?
Q9. When did bank erosion in Majuli begin after an earthquake?
(A) 1950
(A) 1950
(A) 1950
(B) 1988
(B) 1988
(B) 1988
(C) 1970
(C) 1970
(C) 1970
(D) 1930
(D) 1930
(D) 1930
Answer: (A) 1950
Answer: (A) 1950
Answer: (A) 1950
According to available information, significant bank erosion in Majuli, Assam, began after the major earthquake of 1950. This earthquake caused substantial changes in the Brahmaputra riverbed, leading to increased erosion of the island's banks.
According to available information, significant bank erosion in Majuli, Assam, began after the major earthquake of 1950. This earthquake caused substantial changes in the Brahmaputra riverbed, leading to increased erosion of the island's banks.
According to available information, significant bank erosion in Majuli, Assam, began after the major earthquake of 1950. This earthquake caused substantial changes in the Brahmaputra riverbed, leading to increased erosion of the island's banks.
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Q10. Who was the first man on Earth according to Hindu mythology?
Q10. Who was the first man on Earth according to Hindu mythology?
(A) Manu
(A) Manu
(A) Manu
(B) Brahma
(B) Brahma
(B) Brahma
(C) Hanuman
(C) Hanuman
(C) Hanuman
(D) Shiva
(D) Shiva
(D) Shiva
Answer: (A) Manu
Answer: (A) Manu
Answer: (A) Manu
According to the Matsya Purana, sage Manu was the first man (and the first human) created by God.
Manu was the son of Prajapati (another name of Brahma) and Shatrupa (another name of Saraswati).
God created Ananti as the wife of Manu.
The rest of the human race originated from Manu and Ananti.
According to the Matsya Purana, sage Manu was the first man (and the first human) created by God. Manu was the son of Prajapati (another name of Brahma) and Shatrupa (another name of Saraswati). God created Ananti as the wife of Manu. The rest of the human race originated from Manu and Ananti.
According to the Matsya Purana, sage Manu was the first man (and the first human) created by God. Manu was the son of Prajapati (another name of Brahma) and Shatrupa (another name of Saraswati). God created Ananti as the wife of Manu. The rest of the human race originated from Manu and Ananti.
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