Ctet SST Questions with Detailed Solutions

Correct Answer: (B) A, C and D
Explanation:
Statement A: Correct
→ Descending air in high-pressure areas prevents cloud formation.
Statement B: Incorrect
→ Temperature directly affects air pressure.
Statement C: Correct
→ Rising air in low-pressure areas causes clouds and rain.
Statement D: Correct
→ Air movement from high to low pressure creates winds.
→ Hence, A, C and D are correct.
Information Booster:
→ Warm air creates low pressure.
→ Cold air creates high pressure.
→ Pressure differences cause winds.
→ Weather depends on pressure systems.
→ Meteorology studies these patterns.

Correct Answer: (D)
Explanation:
Statement 1: Correct
→ Meaningful learning involves understanding, connecting and applying knowledge.
Statement 2: Correct
→ Learning occurs when thinking, communication and action support each other.
→ Both statements correctly describe the learning process.
Information Booster:
→ Constructivist learning emphasizes meaning-making.
→ Language supports concept formation.
→ Activities strengthen understanding.
→ Learning is not passive memorization.
→ Social science benefits from integrated approaches.

Correct Answer: (D) A, B and D
Explanation:
→ School-based examples help relate governance to daily life.
→ Group management reflects division of responsibilities.
→ Audio-visual material provides historical context realistically.
→ Actual tours are impractical for ancient institutions.
→ Hence, A, B and D are suitable.
Information Booster:
→ Child-centred learning uses familiar contexts.
→ Visual aids enhance historical understanding.
→ Analogies improve concept clarity.
→ Learning becomes relatable and engaging.
→ History connects past governance with present systems.

Correct Answer: (B) Egalitarianism
Explanation:
→ Utilitarianism focuses on maximum benefit for the majority.
→ Egalitarianism emphasizes equality, justice and dignity for all.
→ Social science education promotes inclusion and fairness.
→ Justice-centred teaching values marginalized voices.
→ Hence, egalitarianism is the correct shift.
Information Booster:
→ Egalitarianism supports equal opportunities.
→ It aligns with constitutional values.
→ Social justice is central to democracy.
→ Education must address inequality.
→ Dignity of every individual is essential.

Correct Answer: (D) A, B and C
Explanation:
→ Museum visits provide experiential and contextual learning.
→ Celebrating Social Science Week increases student engagement and interest.
→ Observation activities encourage curiosity and inquiry-based learning.
→ Large statistical data without context can reduce interest.
→ Hence, A, B and C make learning enjoyable.
Information Booster:
→ Experiential learning improves retention.
→ Activity-based methods reduce rote learning.
→ Field visits connect theory with real life.
→ Celebrations foster collaborative learning.
→ Enjoyable learning builds long-term interest.

Correct Answer: (C)
Explanation:
Statement 1: Incorrect
→ Panchayati Raj represents decentralization, not centralization.
Statement 2: Correct
→ It increases grassroots participation in decision-making.
→ Hence, Statement 1 is false but Statement 2 is true.
Information Booster:
→ Democracy encourages decentralization.
→ Panchayati Raj empowers local bodies.
→ People participate directly in governance.
→ Local issues are solved locally.
→ Strengthens democratic values.

Correct Answer: (B) A and C
Explanation:
→ A globe shows Earth’s true shape and relative positions.
→ An atlas provides detailed thematic and political maps.
→ Together they help understand global and regional features.
→ Maps alone cannot show Earth’s spherical nature.
→ Hence, globe and atlas are most suitable.
Information Booster:
→ Globe avoids distortion.
→ Atlas contains multiple maps.
→ Both aid spatial understanding.
→ Visual tools improve learning.
→ They support map-reading skills.

Correct Answer: (D)
Explanation:
Assertion (A): Correct
→ Social science explains social, political and economic realities.
Reason (R): Correct
→ It builds analytical skills and civic awareness.
Link between A and R:
→ Because social science develops knowledge and skills, learners understand society better.
→ Hence, R explains A.
Information Booster:
→ Social science develops critical thinking.
→ It promotes democratic values.
→ Learners understand rights and duties.
→ Helps in informed decision-making.
→ Connects classroom learning with real life.

Correct Answer: (A) Professional activity
Explanation:
→ Teaching social science requires training and expertise.
→ It involves planned instruction and pedagogy.
→ Teachers follow curriculum objectives.
→ It is guided by educational principles.
→ Hence, it is a professional activity.
Information Booster:
→ Teachers require subject knowledge.
→ Pedagogical skills are essential.
→ Assessment and evaluation are involved.
→ Teaching aims at holistic development.
→ It follows ethical standards.

Correct Answer: (D)
Explanation:
Statement A: Correct
→ Rivers and seas were used for trade in ancient times.
Statement B: Correct
→ Water transport consumes less fuel and cost.
Link between A and B:
→ Because waterways are economical, they have been used since early times.
→ Hence, both statements are true.
Information Booster:
→ Inland waterways reduce transport cost.
→ Suitable for heavy goods.
→ Environment-friendly transport.
→ Ports developed along coasts and rivers.
→ Modern shipping continues this tradition.

Correct Answer: (B) A–2, B–1, C–4, D–3
Explanation:
A → 2 (Tropic of Cancer)
→ Located at 23½° North latitude.
B → 1 (Tropic of Capricorn)
→ Located at 23½° South latitude.
C → 4 (Arctic Circle)
→ Located at 66½° North of the Equator.
D → 3 (Antarctic Circle)
→ Located at 66½° South of the Equator.
→ Hence, option (b) is correct.
Information Booster:
→ These are called important parallels of latitude.
→ They mark limits of heat and daylight variation.
→ Tropics receive direct sunlight at least once a year.
→ Polar circles experience long days and nights.
→ Earth’s tilt causes these latitudinal divisions.

Correct Answer: (A) Oxygen
Explanation:
→ Nitrogen is the most abundant gas in the atmosphere (about 78%).
→ Oxygen forms about 21%, making it the second most plentiful gas.
→ Oxygen is essential for respiration.
→ It supports combustion and life processes.
→ Therefore, oxygen is the correct answer.
Information Booster:
→ Carbon dioxide is present in very small amount.
→ Oxygen supports aerobic life.
→ Plants release oxygen during photosynthesis.
→ Atmospheric composition is vital for life.
→ Balance of gases maintains climate.

Correct Answer: (C) 27 days
Explanation:
→ The Moon takes about 27 days to complete one revolution around the Earth.
→ This period is called the sidereal month.
→ During this time, the Moon moves in its fixed orbit relative to the stars.
→ The commonly known 29½ days refers to the lunar month, related to phases.
→ Hence, the correct answer is 27 days.
Information Booster:
→ The Moon also rotates on its axis in about 27 days.
→ Because of this, the same side of the Moon always faces Earth.
→ The Moon has no light of its own.
→ Its phases occur due to its position relative to Earth and Sun.
→ The Moon influences tides on Earth.

Correct Answer: (B)
Explanation:
→ An ecosystem includes living organisms and their physical environment.
→ It is based on interaction between biotic and abiotic components.
→ Energy flow and nutrient cycling occur within ecosystems.
→ Examples include forests, ponds, and grasslands.
→ Hence, option (b) is correct.
Information Booster:
→ Ecosystem can be natural or man-made.
→ Biotic components include plants and animals.
→ Abiotic components include air, water, soil.
→ Balance is essential for ecosystem stability.
→ Human activities affect ecosystems.

Correct Answer: (B)
Explanation:
→ Rotation means spinning of the Earth on its own axis.
→ Movement of the Earth around the Sun is called revolution, not rotation.
→ All other statements are factually correct.
→ Therefore, option (b) is incorrect.
Information Booster:
→ Earth completes one rotation in 24 hours.
→ Revolution takes about 365¼ days.
→ Earth is slightly flattened at poles.
→ It supports life due to air, water, and suitable temperature.
→ Earth lies in the habitable zone.