Q. The Industrial Revolution significantly contributed to climate change primarily through which of the following?
A.
Increased agricultural output
B.
Deforestation
C.
Fossil fuel consumption
D.
Urbanization
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Solution
The Industrial Revolution marked a shift to fossil fuel consumption, particularly coal, which significantly increased greenhouse gas emissions and contributed to climate change.
Correct Answer:
C
— Fossil fuel consumption
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Q. The Industrial Revolution, which began in the late 18th century, had a profound impact on the environment. Which of the following was a major consequence?
A.
A. Deforestation
B.
B. Soil Fertility Improvement
C.
C. Increase in Biodiversity
D.
D. Decrease in Urban Pollution
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Solution
The Industrial Revolution led to significant deforestation as forests were cleared for industrial expansion and urban development, resulting in environmental degradation.
Correct Answer:
A
— A. Deforestation
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Q. The influence of Buddhism spread to which of the following neighboring regions during ancient times?
A.
Southeast Asia
B.
Middle East
C.
Eastern Europe
D.
North Africa
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Solution
Buddhism spread significantly to Southeast Asia during ancient times, influencing cultures and societies in countries like Thailand, Myanmar, and Indonesia.
Correct Answer:
A
— Southeast Asia
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Q. The information provided are accurate. (2023)
A.
Correct
B.
Incorrect
C.
Depends on context
D.
None of the above
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Solution
The correct form is 'The information provided is accurate.' 'Information' is an uncountable noun and takes a singular verb.
Correct Answer:
B
— Incorrect
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Q. The informations are incorrect.
A.
The information is incorrect.
B.
The informations is incorrect.
C.
The information are incorrect.
D.
The informations were incorrect.
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Solution
The word 'information' is uncountable and should be singular.
Correct Answer:
A
— The information is incorrect.
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Q. The informations you provided are helpful. (2019)
A.
The information you provided is helpful.
B.
The informations you provided is helpful.
C.
The information you provide are helpful.
D.
The informations you provided were helpful.
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Solution
The word 'information' is uncountable and should be treated as singular.
Correct Answer:
A
— The information you provided is helpful.
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Q. The Integrated Child Development Services (ICDS) scheme was launched in which year? (1975)
A.
1975
B.
1985
C.
1995
D.
2005
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Solution
The Integrated Child Development Services (ICDS) scheme was launched in 1975 to provide food, preschool education, and primary healthcare to children under 6 years of age.
Correct Answer:
A
— 1975
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Q. The International Monetary Fund (IMF) primarily aims to: (1944)
A.
Provide loans to developing countries for infrastructure projects
B.
Ensure the stability of the international monetary system
C.
Promote human rights globally
D.
Facilitate cultural exchanges between nations
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Solution
The IMF, established in 1944, aims to ensure the stability of the international monetary system.
Correct Answer:
B
— Ensure the stability of the international monetary system
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Q. The interquartile range of the data set: 1, 2, 3, 4, 5, 6, 7, 8 is:
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Solution
Q1 = 3, Q3 = 6. Interquartile Range = Q3 - Q1 = 6 - 3 = 3.
Correct Answer:
B
— 3
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Q. The introduction of which crop during the medieval period significantly transformed agriculture in Europe?
A.
Wheat
B.
Rice
C.
Potato
D.
Maize
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Solution
The introduction of the potato during the medieval period significantly transformed agriculture in Europe, leading to increased food security and population growth.
Correct Answer:
C
— Potato
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Q. The introduction of which vaccine in the 18th century significantly reduced the incidence of smallpox?
A.
Polio vaccine
B.
Measles vaccine
C.
Smallpox vaccine
D.
Typhoid vaccine
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Solution
The smallpox vaccine, developed by Edward Jenner in 1796, was the first successful vaccine and played a crucial role in reducing smallpox outbreaks.
Correct Answer:
C
— Smallpox vaccine
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Q. The invention of the compass, which greatly aided navigation, is attributed to which civilization?
A.
Ancient Greece
B.
Medieval China
C.
The Roman Empire
D.
The Indus Valley Civilization
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Solution
The compass was invented in medieval China and played a crucial role in maritime navigation.
Correct Answer:
B
— Medieval China
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Q. The invention of the telephone is attributed to which inventor?
A.
Thomas Edison
B.
Alexander Graham Bell
C.
Nikola Tesla
D.
Guglielmo Marconi
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Solution
Alexander Graham Bell is credited with the invention of the telephone in 1876, revolutionizing communication.
Correct Answer:
B
— Alexander Graham Bell
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Q. The Lahore Resolution was passed in which year? (1940)
A.
1940
B.
1935
C.
1929
D.
1947
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Solution
The Lahore Resolution was passed in 1940, calling for greater autonomy for Muslim-majority regions in India.
Correct Answer:
A
— 1940
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Q. The Lahore Resolution, which called for a separate nation for Muslims, was passed in which year? (1940)
A.
1940
B.
1930
C.
1929
D.
1947
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Solution
The Lahore Resolution was passed in 1940.
Correct Answer:
A
— 1940
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Q. The Lahore Resolution, which called for the creation of a separate nation for Muslims, was passed in which year? (1940)
A.
1940
B.
1930
C.
1929
D.
1947
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Solution
The Lahore Resolution was passed in 1940, demanding a separate nation for Muslims in India.
Correct Answer:
A
— 1940
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Q. The Langmuir adsorption isotherm assumes that:
A.
Adsorption occurs on a surface with infinite sites
B.
Adsorption sites are equivalent
C.
Adsorption is a multilayer process
D.
Adsorption is independent of pressure
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Solution
The Langmuir isotherm assumes that adsorption sites are equivalent and that the process is monolayer.
Correct Answer:
B
— Adsorption sites are equivalent
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Q. The Langmuir adsorption isotherm assumes which of the following?
A.
Adsorption occurs on a surface with infinite sites
B.
Adsorption sites are equivalent
C.
Adsorption is a multilayer process
D.
Adsorption is temperature independent
Show solution
Solution
The Langmuir isotherm assumes that adsorption occurs on a surface with a finite number of equivalent sites.
Correct Answer:
B
— Adsorption sites are equivalent
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Q. The Langmuir isotherm assumes that adsorption occurs at specific sites on the adsorbent. What is the maximum number of molecules that can be adsorbed at a given temperature called?
A.
Adsorption capacity
B.
Saturation capacity
C.
Equilibrium constant
D.
Adsorption energy
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Solution
The maximum number of molecules that can be adsorbed at a given temperature is referred to as the saturation capacity.
Correct Answer:
B
— Saturation capacity
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Q. The Langmuir isotherm assumes that adsorption occurs at specific sites on the surface. What does this imply? (2020)
A.
Adsorption is uniform.
B.
Adsorption is multilayered.
C.
Adsorption is monolayered.
D.
Adsorption is temperature dependent.
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Solution
The Langmuir isotherm assumes that adsorption occurs at specific sites, leading to a monolayer coverage of the adsorbate.
Correct Answer:
C
— Adsorption is monolayered.
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Q. The Langmuir isotherm assumes that adsorption occurs at specific sites on the surface. What is the maximum coverage called? (2021)
A.
Saturation
B.
Monolayer
C.
Multilayer
D.
Equilibrium
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Solution
In the Langmuir isotherm, the maximum coverage of adsorbate on the adsorbent is referred to as a monolayer.
Correct Answer:
B
— Monolayer
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Q. The latest research shows that a diet rich in fruits and vegetables can lead to improved mental health. What can be inferred from this research?
A.
Mental health is solely determined by diet.
B.
Eating fruits and vegetables has no impact on mental health.
C.
A diet rich in fruits and vegetables may positively affect mental health.
D.
Only certain fruits and vegetables can improve mental health.
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Solution
The research indicates a potential positive relationship between a diet rich in fruits and vegetables and mental health improvement.
Correct Answer:
C
— A diet rich in fruits and vegetables may positively affect mental health.
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Q. The law of conservation of energy states that energy cannot be _____. (2022)
A.
Created
B.
Destroyed
C.
Transformed
D.
Both A and B
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Solution
The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.
Correct Answer:
D
— Both A and B
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Q. The law that relates the pressure and volume of a gas at constant temperature is known as: (2019)
A.
Charles's Law
B.
Avogadro's Law
C.
Boyle's Law
D.
Ideal Gas Law
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Solution
Boyle's Law states that the pressure of a gas is inversely proportional to its volume at constant temperature.
Correct Answer:
C
— Boyle's Law
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Q. The law that relates the volume of a gas to its temperature at constant pressure is known as: (2018)
A.
Boyle's Law
B.
Charles's Law
C.
Avogadro's Law
D.
Graham's Law
Show solution
Solution
Charles's Law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure.
Correct Answer:
B
— Charles's Law
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Q. The LCM of two numbers is 120 and their HCF is 8. If one number is 32, what is the other number? (2023)
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Solution
Using the relation HCF * LCM = Product of the numbers, we have 8 * 120 = 32 * x, which gives x = 40.
Correct Answer:
B
— 40
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Q. The LCM of two numbers is 84 and their HCF is 12. If one of the numbers is 36, what is the other number? (2023)
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Solution
Using the relation: LCM * HCF = Product of the numbers, we have 84 * 12 = 36 * x, solving gives x = 28.
Correct Answer:
A
— 28
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Q. The LCM of two numbers is 84 and their HCF is 12. What are the two numbers? (2023)
A.
24 and 42
B.
12 and 84
C.
28 and 36
D.
21 and 48
Show solution
Solution
Let the two numbers be 12x and 12y. Then, LCM(12x, 12y) = 12 * LCM(x, y) = 84, which gives LCM(x, y) = 7. The pairs (x, y) that satisfy this are (3, 4) or (4, 3), leading to 24 and 42.
Correct Answer:
A
— 24 and 42
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Q. The LCM of two numbers is 84 and their HCF is 12. What is the sum of the two numbers if they are both less than 100? (2023)
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Solution
Let the two numbers be 12a and 12b. Then, 12ab = 84, so ab = 7. The pairs (1, 7) and (7, 1) give us 12 and 84, which sum to 96.
Correct Answer:
B
— 72
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Q. The lecture was so __________ that many students found it difficult to stay awake. (2023)
A.
engaging
B.
monotonous
C.
inspiring
D.
dynamic
Show solution
Solution
Finding it difficult to stay awake indicates that the lecture was monotonous.
Correct Answer:
B
— monotonous
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