Q. Which reagent is used to convert an alkyne to a cis-alkene?
-
A.
H2/Pd
-
B.
H2/Lindlar's catalyst
-
C.
Li/NH3
-
D.
Na/NH3
Solution
H2 in the presence of Lindlar's catalyst is used to convert an alkyne to a cis-alkene.
Correct Answer:
B
— H2/Lindlar's catalyst
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Q. Which reagent is used to convert an amine to an amide? (2023)
-
A.
Acid chloride
-
B.
Alcohol
-
C.
Aldehyde
-
D.
Ketone
Solution
An acid chloride is used to convert an amine to an amide through acylation.
Correct Answer:
A
— Acid chloride
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Q. Which reagent is used to convert haloalkanes to alcohols?
-
A.
Sodium hydroxide
-
B.
Sodium bicarbonate
-
C.
Sodium chloride
-
D.
Sodium acetate
Solution
Sodium hydroxide is commonly used to convert haloalkanes to alcohols through nucleophilic substitution.
Correct Answer:
A
— Sodium hydroxide
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Q. Which reagent is used to convert phenol to phenyl ether?
-
A.
Sodium hydroxide
-
B.
Sodium phenoxide
-
C.
Bromine
-
D.
Hydrochloric acid
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
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
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
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 region had the lowest sales in the last quarter?
-
A.
North
-
B.
South
-
C.
East
-
D.
West
Solution
The table shows that the North region had the lowest sales of 150 units.
Correct Answer:
A
— North
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Q. Which respiratory process occurs in the alveoli? (2023)
-
A.
Inhalation
-
B.
Exhalation
-
C.
Gas exchange
-
D.
Ventilation
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
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
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
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
Solution
The longest river in the world is the Nile.
Correct Answer:
B
— Nile
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Q. Which ruler is known for spreading Buddhism across Asia during the Maurya Empire?
-
A.
Chandragupta Maurya
-
B.
Ashoka
-
C.
Bindusara
-
D.
Samudragupta
Solution
Ashoka, the grandson of Chandragupta Maurya, played a crucial role in promoting Buddhism after his conversion.
Correct Answer:
B
— Ashoka
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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
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?
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
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
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 schedule of the Indian Constitution contains the list of states and union territories? (2016)
-
A.
First Schedule
-
B.
Second Schedule
-
C.
Third Schedule
-
D.
Fourth Schedule
Solution
The First Schedule of the Indian Constitution contains the names of the states and union territories.
Correct Answer:
A
— First Schedule
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Q. Which schedule of the Indian Constitution contains the list of the State List? (2023)
-
A.
First Schedule
-
B.
Seventh Schedule
-
C.
Ninth Schedule
-
D.
Tenth Schedule
Solution
The Seventh Schedule of the Indian Constitution contains the distribution of powers between the Union and the States, including the State List.
Correct Answer:
B
— Seventh Schedule
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Q. Which schedule of the Indian Constitution contains the list of the states and union territories? (2016)
-
A.
First Schedule
-
B.
Second Schedule
-
C.
Third Schedule
-
D.
Fourth Schedule
Solution
The First Schedule of the Indian Constitution contains the names of the states and union territories.
Correct Answer:
A
— First Schedule
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Q. Which scheduling algorithm allocates CPU time based on the shortest job first?
-
A.
Round Robin
-
B.
First-Come, First-Served
-
C.
Shortest Job Next
-
D.
Priority Scheduling
Solution
Shortest Job Next (SJN) allocates CPU time to the process with the smallest execution time.
Correct Answer:
C
— Shortest Job Next
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Q. Which scheduling algorithm is based on the shortest job first principle?
-
A.
Round Robin
-
B.
First-Come, First-Served
-
C.
Shortest Job Next
-
D.
Priority Scheduling
Solution
Shortest Job Next (SJN) schedules processes based on the shortest execution time.
Correct Answer:
C
— Shortest Job Next
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Q. Which scheduling algorithm is designed to give each process a fair share of CPU time?
-
A.
First-Come, First-Served
-
B.
Round Robin
-
C.
Shortest Job First
-
D.
Priority Scheduling
Solution
Round Robin scheduling allocates a fixed time slice to each process, ensuring fairness in CPU time distribution.
Correct Answer:
B
— Round Robin
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Q. Which scheduling algorithm is designed to minimize waiting time for processes?
-
A.
First-Come, First-Served
-
B.
Shortest Job Next
-
C.
Round Robin
-
D.
Priority Scheduling
Solution
Shortest Job Next (SJN) minimizes waiting time by prioritizing processes with the shortest execution time.
Correct Answer:
B
— Shortest Job Next
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Q. Which scheme aims to provide financial assistance to farmers for purchasing agricultural equipment? (1998)
-
A.
Soil Health Card Scheme
-
B.
Pradhan Mantri Kisan Samman Nidhi
-
C.
PM Fasal Bima Yojana
-
D.
Kisan Credit Card Scheme
Solution
The Kisan Credit Card Scheme provides farmers with credit to purchase agricultural equipment and meet other farming needs.
Correct Answer:
D
— Kisan Credit Card Scheme
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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
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
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
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
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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