Q. Which substituent is a strong +M director?
A.
-CHO
B.
-NO2
C.
-OH
D.
-Br
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Solution
The -OH group is a strong +M director due to its ability to donate electron density through resonance.
Correct Answer: C — -OH
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Q. Which system in the body is primarily responsible for fighting infections?
A.
Nervous System
B.
Digestive System
C.
Immune System
D.
Respiratory System
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Solution
The immune system is primarily responsible for fighting infections.
Correct Answer: C — Immune System
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Q. Which system is primarily responsible for movement in the body?
A.
Nervous system
B.
Muscular system
C.
Skeletal system
D.
Circulatory system
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Solution
The muscular system is responsible for movement by contracting and relaxing muscles.
Correct Answer: B — Muscular system
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Q. Which system is responsible for hormone production?
A.
Nervous system
B.
Endocrine system
C.
Circulatory system
D.
Muscular system
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Solution
The endocrine system is responsible for producing and secreting hormones that regulate various bodily functions.
Correct Answer: B — Endocrine system
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Q. Which system is responsible for movement in the body?
A.
Nervous system
B.
Muscular system
C.
Skeletal system
D.
Circulatory system
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Solution
The muscular system is responsible for movement in the body, working in conjunction with the skeletal system.
Correct Answer: B — Muscular system
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Q. Which system is responsible for producing hormones in the body?
A.
Nervous system
B.
Endocrine system
C.
Muscular system
D.
Skeletal system
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Solution
The endocrine system produces hormones that regulate various functions in the body.
Correct Answer: B — Endocrine system
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Q. Which system is responsible for the body's response to stress?
A.
Nervous system
B.
Endocrine system
C.
Immune system
D.
Both A and B
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Solution
Both the nervous and endocrine systems work together to manage the body's response to stress.
Correct Answer: D — Both A and B
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Q. Which system is responsible for the exchange of gases in the body? (2023)
A.
Digestive system
B.
Nervous system
C.
Respiratory system
D.
Circulatory system
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Solution
The respiratory system is responsible for the exchange of gases in the body.
Correct Answer: C — Respiratory system
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Q. Which system is responsible for the production of hormones in the body?
A.
Nervous system
B.
Endocrine system
C.
Circulatory system
D.
Muscular system
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Solution
The endocrine system produces hormones that regulate various functions in the body, including growth, metabolism, and mood.
Correct Answer: B — Endocrine system
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Q. Which system is responsible for the production of hormones?
A.
Nervous system
B.
Endocrine system
C.
Circulatory system
D.
Muscular system
Show solution
Solution
The endocrine system produces hormones that regulate various functions in the body.
Correct Answer: B — Endocrine system
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Q. Which tab in Word would you use to change the font style? (2023)
A.
Home
B.
Insert
C.
Layout
D.
Review
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Solution
The Home tab in Word is where you can change the font style.
Correct Answer: A — Home
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Q. Which technique is best suited for identifying functional groups in organic compounds? (2023)
A.
Titration
B.
Infrared spectroscopy
C.
Filtration
D.
Electrophoresis
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Solution
Infrared spectroscopy is particularly effective for identifying functional groups due to the characteristic absorption bands associated with different groups.
Correct Answer: B — Infrared spectroscopy
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Q. Which technology company announced the launch of its first electric car in 2021? (2021)
A.
Apple
B.
Google
C.
Tesla
D.
Amazon
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Solution
Apple announced plans for its first electric car, known as Project Titan, in 2021.
Correct Answer: A — Apple
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Q. Which theorem is used to find the moment of inertia of a body about an axis that is parallel to an axis through its center of mass?
A.
Perpendicular axis theorem
B.
Parallel axis theorem
C.
Pythagorean theorem
D.
Conservation of angular momentum
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Solution
The parallel axis theorem is used to find the moment of inertia about an axis parallel to one through the center of mass.
Correct Answer: B — Parallel axis theorem
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Q. Which tone is most evident in the author's critique of government policies?
A.
Sarcastic
B.
Formal
C.
Critical
D.
Supportive
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Solution
The author's critique of government policies is delivered in a critical tone, pointing out flaws and shortcomings.
Correct Answer: C — Critical
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Q. Which transition metal has the electron configuration [Ar] 3d6 4s2?
A.
Titanium
B.
Iron
C.
Nickel
D.
Cobalt
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Solution
Iron (Fe) has the electron configuration [Ar] 3d6 4s2.
Correct Answer: B — Iron
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Q. Which transition metal has the highest melting point?
A.
Iron
B.
Tungsten
C.
Nickel
D.
Copper
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Solution
Tungsten (W) has the highest melting point among transition metals.
Correct Answer: B — Tungsten
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Q. Which transition metal is known for forming complex ions with a coordination number of 6?
A.
Copper
B.
Nickel
C.
Cobalt
D.
Zinc
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Solution
Cobalt commonly forms complex ions with a coordination number of 6, such as in [Co(NH3)6]3+.
Correct Answer: C — Cobalt
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Q. Which transition metal is known for forming complex ions with a variety of ligands?
A.
Zinc (Zn)
B.
Copper (Cu)
C.
Iron (Fe)
D.
Nickel (Ni)
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Solution
Copper (Cu) is known for forming complex ions with a variety of ligands due to its ability to adopt multiple oxidation states.
Correct Answer: B — Copper (Cu)
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Q. Which transition metal is known for forming complex ions?
A.
Calcium
B.
Copper
C.
Sodium
D.
Magnesium
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Solution
Copper (Cu) is well-known for forming various complex ions due to its ability to coordinate with ligands.
Correct Answer: B — Copper
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Q. Which transition metal is known for its ability to form complex ions with a variety of ligands?
A.
Zinc (Zn)
B.
Copper (Cu)
C.
Iron (Fe)
D.
Nickel (Ni)
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Solution
Copper (Cu) is known for its ability to form complex ions with a variety of ligands due to its d-orbital configuration.
Correct Answer: C — Iron (Fe)
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Q. Which transition metal is known for its catalytic properties in the Haber process?
A.
Iron
B.
Nickel
C.
Copper
D.
Cobalt
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Solution
Iron is used as a catalyst in the Haber process for ammonia synthesis.
Correct Answer: A — Iron
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Q. Which treaty ended the First Anglo-Sikh War?
A.
Treaty of Amritsar
B.
Treaty of Lahore
C.
Treaty of Delhi
D.
Treaty of Paris
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Solution
The Treaty of Lahore was signed in 1846, marking the end of the First Anglo-Sikh War.
Correct Answer: B — Treaty of Lahore
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Q. Which treaty ended World War I and imposed heavy reparations on Germany? (1919)
A.
Treaty of Versailles
B.
Treaty of Trianon
C.
Treaty of Saint-Germain
D.
Treaty of Brest-Litovsk
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Solution
The Treaty of Versailles, signed in 1919, officially ended World War I and imposed heavy reparations and territorial losses on Germany.
Correct Answer: A — Treaty of Versailles
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Q. Which treaty ended World War I? (1919)
A.
Treaty of Versailles
B.
Treaty of Paris
C.
Treaty of Trianon
D.
Treaty of Brest-Litovsk
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Solution
The Treaty of Versailles was signed in 1919 and officially ended World War I.
Correct Answer: A — Treaty of Versailles
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Q. Which treaty marked the end of the First Anglo-Sikh War and established British control over Punjab?
A.
Treaty of Amritsar
B.
Treaty of Lahore
C.
Treaty of Delhi
D.
Treaty of Simla
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Solution
The Treaty of Lahore, signed in 1846, marked the end of the First Anglo-Sikh War and established British control over Punjab.
Correct Answer: B — Treaty of Lahore
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Q. Which treaty marked the end of the First Anglo-Sikh War and significantly altered the political landscape of Northern India?
A.
Treaty of Amritsar
B.
Treaty of Lahore
C.
Treaty of Delhi
D.
Treaty of Bassein
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Solution
The Treaty of Lahore, signed in 1846, marked the end of the First Anglo-Sikh War and resulted in significant territorial and political changes in Northern India.
Correct Answer: B — Treaty of Lahore
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Q. Which treaty, signed in 1992, aimed to address global warming and promote sustainable development? (1992)
A.
A. The Paris Agreement
B.
B. The Kyoto Protocol
C.
C. The United Nations Framework Convention on Climate Change (UNFCCC)
D.
D. The Montreal Protocol
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Solution
The United Nations Framework Convention on Climate Change (UNFCCC) was established in 1992 to address climate change and promote sustainable development globally.
Correct Answer: C — C. The United Nations Framework Convention on Climate Change (UNFCCC)
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Q. Which treaty, signed in 1992, marked a significant global commitment to address climate change? (1992)
A.
Kyoto Protocol
B.
Paris Agreement
C.
Rio Declaration
D.
Montreal Protocol
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Solution
The Rio Declaration, part of the Earth Summit in 1992, laid the groundwork for international cooperation on climate change, leading to subsequent treaties like the Kyoto Protocol.
Correct Answer: C — Rio Declaration
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Q. Which type of biomolecule is glucose?
A.
Protein
B.
Lipid
C.
Carbohydrate
D.
Nucleic Acid
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Solution
Glucose is a simple sugar and is classified as a carbohydrate.
Correct Answer: C — Carbohydrate
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