Q. Which reagent is used to convert phenol to phenyl ether?
A.
Sodium hydroxide
B.
Sodium phenoxide
C.
Bromine
D.
Hydrochloric acid
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Solution
Sodium phenoxide reacts with alkyl halides to form phenyl ethers in a nucleophilic substitution reaction.
Correct Answer: B — Sodium phenoxide
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Q. Which reagent is used to distinguish between aldehydes and ketones?
A.
Benedict's solution
B.
Tollens' reagent
C.
Fehling's solution
D.
All of the above
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Solution
All of the mentioned reagents can be used to distinguish between aldehydes and ketones, as aldehydes reduce these reagents while ketones do not.
Correct Answer: D — All of the above
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Q. Which reagent is used to test for the presence of alkenes?
A.
Bromine water
B.
Potassium permanganate
C.
Both A and B
D.
None of the above
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Solution
Both bromine water and potassium permanganate can be used to test for alkenes, as they react with the double bond.
Correct Answer: C — Both A and B
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Q. Which reformer is credited with the introduction of modern education in India during the 19th century?
A.
Raja Ram Mohan Roy
B.
Swami Vivekananda
C.
Mahatma Gandhi
D.
B.R. Ambedkar
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Solution
Raja Ram Mohan Roy is known for his efforts in promoting modern education and social reforms in 19th century India.
Correct Answer: A — Raja Ram Mohan Roy
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Q. Which respiratory process occurs in the alveoli? (2023)
A.
Inhalation
B.
Exhalation
C.
Gas exchange
D.
Ventilation
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Solution
Gas exchange occurs in the alveoli, where oxygen is absorbed into the blood and carbon dioxide is released from the blood.
Correct Answer: C — Gas exchange
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Q. Which revolution is known for the slogan 'Liberty, Equality, Fraternity'?
A.
American Revolution
B.
French Revolution
C.
Russian Revolution
D.
Industrial Revolution
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Solution
'Liberty, Equality, Fraternity' is the famous slogan of the French Revolution, symbolizing its core ideals.
Correct Answer: B — French Revolution
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Q. Which river is known as the 'Sorrow of Bihar'?
A.
Ganges
B.
Kosi
C.
Yamuna
D.
Brahmaputra
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Solution
The Kosi River is known as the 'Sorrow of Bihar' due to its frequent flooding.
Correct Answer: B — Kosi
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Q. Which river is known as the longest river in the world?
A.
Amazon
B.
Nile
C.
Yangtze
D.
Mississippi
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Solution
The Nile River is traditionally considered the longest river in the world, flowing through northeastern Africa.
Correct Answer: B — Nile
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Q. Which river is the longest in the world? (2020)
A.
Amazon
B.
Nile
C.
Yangtze
D.
Mississippi
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Solution
The longest river in the world is the Nile.
Correct Answer: B — Nile
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Q. Which ruler of the Gupta Empire is known for his patronage of arts and literature?
A.
Chandragupta I
B.
Samudragupta
C.
Chandragupta II
D.
Harshavardhana
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Solution
Chandragupta II, also known as Vikramaditya, is celebrated for his patronage of arts and literature during the Gupta Empire.
Correct Answer: C — Chandragupta II
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Q. Which s-block element has the highest atomic radius?
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Solution
Rubidium (Rb) has the highest atomic radius among the given s-block elements.
Correct Answer: D — Rb
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Q. Which s-block element is used in fireworks for producing a bright red color?
A.
Lithium
B.
Sodium
C.
Potassium
D.
Calcium
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Solution
Lithium is used in fireworks to produce a bright red color.
Correct Answer: A — Lithium
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Q. Which schedule of the Indian Constitution contains the list of State subjects? (2020)
A.
First Schedule
B.
Seventh Schedule
C.
Ninth Schedule
D.
Tenth Schedule
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Solution
The Seventh Schedule of the Indian Constitution contains the list of subjects on which the State legislatures can make laws.
Correct Answer: B — Seventh Schedule
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Q. Which scheme aims to provide financial assistance to small and marginal farmers in India?
A.
Pradhan Mantri Kisan Samman Nidhi (PM-KISAN)
B.
Soil Health Card Scheme
C.
National Agricultural Market (e-NAM)
D.
Pradhan Mantri Fasal Bima Yojana
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Solution
The Pradhan Mantri Kisan Samman Nidhi (PM-KISAN) scheme provides direct income support to small and marginal farmers.
Correct Answer: A — Pradhan Mantri Kisan Samman Nidhi (PM-KISAN)
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Q. Which scheme aims to provide health insurance to economically vulnerable families? (2018)
A.
Ayushman Bharat
B.
Pradhan Mantri Jan Arogya Yojana
C.
National Health Mission
D.
Rashtriya Swasthya Bima Yojana
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Solution
The Pradhan Mantri Jan Arogya Yojana (PMJAY) aims to provide health insurance to economically vulnerable families.
Correct Answer: B — Pradhan Mantri Jan Arogya Yojana
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Q. Which scheme aims to provide skill development to the youth of India? (2015)
A.
Make in India
B.
Skill India
C.
Digital India
D.
Startup India
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Solution
The Skill India initiative aims to provide skill development to the youth, enhancing their employability.
Correct Answer: B — Skill India
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Q. Which scheme focuses on the welfare of the elderly? (2007)
A.
National Old Age Pension Scheme
B.
Pradhan Mantri Kisan Samman Nidhi
C.
Beti Bachao Beti Padhao
D.
Ayushman Bharat
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Solution
The National Old Age Pension Scheme provides financial assistance to elderly individuals.
Correct Answer: A — National Old Age Pension Scheme
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Q. Which scheme is aimed at providing health insurance to the poor? (2018)
A.
Ayushman Bharat
B.
Pradhan Mantri Fasal Bima Yojana
C.
National Health Mission
D.
Rural Health Scheme
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Solution
Ayushman Bharat provides health insurance coverage to economically vulnerable families.
Correct Answer: A — Ayushman Bharat
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Q. Which scheme is designed to empower women through self-help groups? (2011)
A.
National Rural Livelihood Mission
B.
Beti Bachao Beti Padhao
C.
Pradhan Mantri Ujjwala Yojana
D.
Mahatma Gandhi National Rural Employment Guarantee Act
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Solution
The National Rural Livelihood Mission aims to empower women through self-help groups.
Correct Answer: A — National Rural Livelihood Mission
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Q. Which scheme provides financial assistance to small and marginal farmers for crop insurance? (2016)
A.
Pradhan Mantri Fasal Bima Yojana
B.
Soil Health Card Scheme
C.
National Agricultural Market
D.
Kisan Credit Card Scheme
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Solution
The Pradhan Mantri Fasal Bima Yojana provides financial assistance to small and marginal farmers for crop insurance.
Correct Answer: A — Pradhan Mantri Fasal Bima Yojana
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Q. Which scheme provides health insurance coverage to economically weaker sections of society?
A.
Ayushman Bharat
B.
Pradhan Mantri Fasal Bima Yojana
C.
National Health Mission
D.
Pradhan Mantri Awas Yojana
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Solution
Ayushman Bharat provides health insurance coverage to economically weaker sections of society, ensuring access to quality healthcare.
Correct Answer: A — Ayushman Bharat
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Q. Which scheme was introduced to promote the use of renewable energy sources? (2010)
A.
National Solar Mission
B.
Pradhan Mantri Ujjwala Yojana
C.
Bharatmala Pariyojana
D.
Smart Cities Mission
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Solution
The National Solar Mission was introduced to promote the use of renewable energy sources, particularly solar energy.
Correct Answer: A — National Solar Mission
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Q. Which scheme was launched by the Government of India to provide financial assistance to small and marginal farmers? (2019)
A.
Pradhan Mantri Kisan Samman Nidhi
B.
Mahatma Gandhi National Rural Employment Guarantee Act
C.
Pradhan Mantri Fasal Bima Yojana
D.
Soil Health Card Scheme
Show solution
Solution
The Pradhan Mantri Kisan Samman Nidhi (PM-KISAN) scheme was launched to provide income support to small and marginal farmers.
Correct Answer: A — Pradhan Mantri Kisan Samman Nidhi
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Q. Which scheme was launched to promote skill development among youth? (2015)
A.
Make in India
B.
Skill India
C.
Digital India
D.
Startup India
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Solution
Skill India was launched to enhance the skills of the youth and promote skill development.
Correct Answer: B — Skill India
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Q. Which scientist is known for the discovery of the structure of DNA? (2017)
A.
Gregor Mendel
B.
James Watson
C.
Francis Crick
D.
Both James Watson and Francis Crick
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Solution
James Watson and Francis Crick are credited with the discovery of the double helix structure of DNA.
Correct Answer: D — Both James Watson and Francis Crick
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Q. Which scientist is known for the theory of inheritance of acquired characteristics?
A.
Darwin
B.
Mendel
C.
Lamarck
D.
Wallace
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Solution
Jean-Baptiste Lamarck is known for proposing the theory of inheritance of acquired characteristics, which suggests that traits acquired during an organism's lifetime can be passed to offspring.
Correct Answer: C — Lamarck
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Q. Which scientist is known for the theory of punctuated equilibrium? (1972)
A.
Charles Darwin
B.
Stephen Jay Gould
C.
Jean-Baptiste Lamarck
D.
Gregor Mendel
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Solution
Stephen Jay Gould, along with Niles Eldredge, proposed the theory of punctuated equilibrium, which suggests that species remain relatively stable for long periods and then undergo rapid changes.
Correct Answer: B — Stephen Jay Gould
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Q. Which sentence best connects the ideas presented in the first and second paragraphs?
A.
In contrast to this, many experts argue that...
B.
Furthermore, it is essential to consider...
C.
As a result, the implications of this are significant.
D.
To illustrate this point, one can consider...
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Solution
The sentence 'As a result, the implications of this are significant.' best connects the ideas, making option 2 the correct answer.
Correct Answer: C — As a result, the implications of this are significant.
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Q. Which sentence best connects the ideas presented in the second and third paragraphs? (2023)
A.
Despite the challenges, many individuals thrive.
B.
This leads to a greater understanding of the issue.
C.
Consequently, the results were not as expected.
D.
In contrast, some experts disagree with this view.
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Solution
The sentence 'This leads to a greater understanding of the issue' effectively connects the ideas of the second and third paragraphs, making option 1 the best choice.
Correct Answer: B — This leads to a greater understanding of the issue.
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Q. Which sentence best connects the two paragraphs?
A.
In conclusion, conservation efforts are essential.
B.
Moreover, local communities play a crucial role.
C.
However, technology can also aid in conservation.
D.
Thus, education must be prioritized.
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Solution
The second paragraph discusses the role of local communities, making option 1 the best connector.
Correct Answer: B — Moreover, local communities play a crucial role.
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