Q. Which of the following molecules has a bond order of 1?
A.
H2
B.
He2
C.
Li2
D.
B2
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Solution
Li2 has a bond order of 1, calculated as (2 bonding electrons - 0 antibonding electrons)/2 = 1.
Correct Answer: C — Li2
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Q. Which of the following molecules has a bond order of 2?
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Solution
N2 has a bond order of 2, calculated as (number of bonding electrons - number of antibonding electrons)/2 = (10-6)/2 = 2.
Correct Answer: B — N2
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Q. Which of the following molecules has a higher bond order than N2?
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Solution
O2 has a bond order of 2, while N2 has a bond order of 3, so none have a higher bond order than N2.
Correct Answer: A — O2
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Q. Which of the following molecules has a higher bond order: N2 or O2?
A.
N2
B.
O2
C.
Both are equal
D.
Cannot be determined
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Solution
N2 has a bond order of 3, while O2 has a bond order of 2, so N2 has a higher bond order.
Correct Answer: A — N2
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Q. Which of the following molecules has a linear shape?
A.
CH4
B.
H2O
C.
CO2
D.
NH3
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Solution
CO2 has a linear shape due to the arrangement of its double bonds.
Correct Answer: C — CO2
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Q. Which of the following molecules has a polar covalent bond? (2023)
A.
Cl2
B.
H2O
C.
CH4
D.
O2
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Solution
Water (H2O) has a polar covalent bond due to the difference in electronegativity between hydrogen and oxygen.
Correct Answer: B — H2O
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Q. Which of the following molecules has a polar covalent bond? (2023) 2023
A.
Cl2
B.
H2O
C.
CH4
D.
O2
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Solution
Water (H2O) has a polar covalent bond due to the difference in electronegativity between hydrogen and oxygen.
Correct Answer: B — H2O
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Q. Which of the following molecules has a trigonal bipyramidal geometry?
A.
NH3
B.
PCl5
C.
H2O
D.
CO2
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Solution
PCl5 has five bonding pairs and no lone pairs, leading to a trigonal bipyramidal geometry.
Correct Answer: B — PCl5
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Q. Which of the following molecules has a triple bond?
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Solution
N2 has a triple bond, consisting of one sigma bond and two pi bonds.
Correct Answer: A — N2
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Q. Which of the following molecules has the highest bond order?
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Solution
N2 has the highest bond order of 3, calculated as (10 bonding electrons - 2 antibonding electrons)/2 = 3.
Correct Answer: A — N2
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Q. Which of the following molecules is diamagnetic?
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Solution
F2 is diamagnetic as it has all electrons paired in its molecular orbitals.
Correct Answer: C — F2
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Q. Which of the following molecules is isoelectronic with N2?
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Solution
C2 is isoelectronic with N2, both having 10 electrons.
Correct Answer: B — C2
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Q. Which of the following molecules is isoelectronic with Ne?
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Solution
N2 is isoelectronic with Ne, both having 10 electrons.
Correct Answer: C — N2
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Q. Which of the following molecules is polar?
A.
CCl4
B.
CO2
C.
NH3
D.
CH4
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Solution
Ammonia (NH3) is polar due to its trigonal pyramidal shape and the presence of a lone pair on nitrogen.
Correct Answer: C — NH3
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Q. Which of the following molecules is predicted to be stable according to molecular orbital theory?
A.
He2
B.
Li2
C.
Be2
D.
B2
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Solution
Li2 is stable with a bond order of 1, while He2 and Be2 are not stable.
Correct Answer: B — Li2
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Q. Which of the following mountain ranges is known as the 'Roof of the World'?
A.
Himalayas
B.
Andes
C.
Tian Shan
D.
Rockies
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Solution
The Tian Shan mountain range is often referred to as the 'Roof of the World' due to its high peaks and extensive range.
Correct Answer: C — Tian Shan
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Q. Which of the following movements aimed at alleviating poverty and improving the socio-economic conditions of the rural poor in India post-independence? (1960)
A.
A. Green Revolution
B.
B. Non-Aligned Movement
C.
C. Quit India Movement
D.
D. Civil Disobedience Movement
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Solution
The Green Revolution aimed to increase agricultural productivity, which was crucial for improving the socio-economic conditions of the rural poor.
Correct Answer: A — A. Green Revolution
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Q. Which of the following movements aimed at the social upliftment of the marginalized sections of society in India during the 19th century? (1925)
A.
Brahmo Samaj
B.
Ramakrishna Mission
C.
Self-Respect Movement
D.
Indian National Congress
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Solution
The Self-Respect Movement, founded by E.V. Ramasamy (Periyar), aimed at promoting social equality and the rights of the marginalized, particularly the lower castes, in the 19th century.
Correct Answer: C — Self-Respect Movement
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Q. Which of the following movements aimed at the upliftment of women in India during the 19th century?
A.
The Arya Samaj.
B.
The Aligarh Movement.
C.
The Brahmo Samaj.
D.
The Khilafat Movement.
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Solution
The Brahmo Samaj, founded by Raja Ram Mohan Roy, focused on social reforms including women's rights and education.
Correct Answer: C — The Brahmo Samaj.
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Q. Which of the following movements in India was primarily focused on environmental conservation and the rights of local communities? (1970)
A.
A. The Chipko Movement
B.
B. The Green Revolution
C.
C. The Non-Cooperation Movement
D.
D. The Swadeshi Movement
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Solution
The Chipko Movement, which began in the 1970s, focused on environmental conservation by encouraging people to hug trees to prevent deforestation and protect local ecosystems.
Correct Answer: A — A. The Chipko Movement
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Q. Which of the following movements in India was significantly supported by NGOs in the late 20th century? (2005)
A.
The Green Revolution.
B.
The Right to Information Movement.
C.
The Non-Cooperation Movement.
D.
The Quit India Movement.
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Solution
The Right to Information Movement in India received significant support from NGOs, which advocated for transparency and accountability in governance.
Correct Answer: B — The Right to Information Movement.
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Q. Which of the following movements in modern Indian history aimed at the economic upliftment of the marginalized sections of society? (1951)
A.
Non-Cooperation Movement
B.
Civil Disobedience Movement
C.
Bhoodan Movement
D.
Swadeshi Movement
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Solution
The Bhoodan Movement, initiated by Vinoba Bhave, aimed at land reform and the redistribution of land to the landless, promoting inclusive growth.
Correct Answer: C — Bhoodan Movement
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Q. Which of the following movements is associated with the idea of 'Social Contract' as a basis for political legitimacy?
A.
A. Enlightenment
B.
B. Romanticism
C.
C. Realism
D.
D. Modernism
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Solution
The Enlightenment period is closely associated with the concept of the 'Social Contract', particularly in the works of philosophers like Hobbes, Locke, and Rousseau.
Correct Answer: A — A. Enlightenment
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Q. Which of the following movements is associated with the revival of Indian art and culture during the late 19th century? (1900)
A.
Bengal School of Art
B.
Renaissance
C.
Impressionism
D.
Surrealism
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Solution
The Bengal School of Art emerged in the late 19th century as a response to colonial influences, promoting traditional Indian themes and styles.
Correct Answer: A — Bengal School of Art
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Q. Which of the following movements was a response to the negative effects of the Industrial Revolution?
A.
The Romantic Movement
B.
The Enlightenment
C.
The Industrial Workers of the World
D.
The Suffragette Movement
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Solution
The Romantic Movement emerged as a response to the negative effects of the Industrial Revolution, emphasizing emotion, nature, and individualism in reaction to industrialization's mechanization.
Correct Answer: A — The Romantic Movement
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Q. Which of the following movements was initiated by Mahatma Gandhi in 1918 to address the grievances of farmers? (1918)
A.
Champaran Satyagraha
B.
Kheda Satyagraha
C.
Non-Cooperation Movement
D.
Civil Disobedience Movement
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Solution
The Kheda Satyagraha of 1918 was initiated by Mahatma Gandhi to address the grievances of farmers affected by crop failure and high taxes.
Correct Answer: B — Kheda Satyagraha
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Q. Which of the following movements was initiated by Mahatma Gandhi in response to the Rowlatt Act? (1920)
A.
Non-Cooperation Movement
B.
Civil Disobedience Movement
C.
Champaran Movement
D.
Khilafat Movement
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Solution
The Non-Cooperation Movement was initiated by Mahatma Gandhi in response to the Rowlatt Act, as a form of protest against repressive measures.
Correct Answer: A — Non-Cooperation Movement
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Q. Which of the following movements was initiated by the Indian National Congress to oppose the British rule during World War I? (1920)
A.
Non-Cooperation Movement
B.
Civil Disobedience Movement
C.
Quit India Movement
D.
Home Rule Movement
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Solution
The Non-Cooperation Movement was initiated by the Indian National Congress in response to the repressive measures taken by the British during World War I.
Correct Answer: A — Non-Cooperation Movement
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Q. Which of the following movements was initiated to promote the rights of women and address gender inequality in India? (1990)
A.
Chipko Movement
B.
Bharat Natyam Movement
C.
Women's Reservation Bill
D.
Women's Rights Movement
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Solution
The Women's Rights Movement in India has been crucial in advocating for gender equality and addressing issues of women's rights and social justice.
Correct Answer: D — Women's Rights Movement
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Q. Which of the following muscles is responsible for the flexion of the forearm? (2019)
A.
Biceps brachii
B.
Triceps brachii
C.
Deltoid
D.
Pectoralis major
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Solution
The biceps brachii muscle is primarily responsible for flexing the forearm at the elbow.
Correct Answer: A — Biceps brachii
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