- Which statement(s) is/are wrong? 1. Latitude is the angular distance east or west of the Equator. 2. Parallels get longer towards the poles. 3. Parallels of latitude are not parallel.
- 1 only
- 1 and 2
- 3 only
- All three
Show answer
Answer: (D) All three
Latitude is north–south distance, parallels shrink towards the poles and all of them are parallel — all three are wrong.
Read the full chapter in mind-map notes → - Which region is marked by warm dry summers, mild wet winters and evergreen oaks? (UPSC 2010)
- Mediterranean region
- Eastern China
- Central Asia
- Atlantic coast of North America
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Answer: (A) Mediterranean region
Dry summer, wet winter — the Cs climate.
Read the full chapter in mind-map notes → - Choose the correct statements — 1. IWAI develops, maintains and regulates national waterways. 2. IWAI was set up on 27 October 1986.
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- Statements — 1. Kerala has no east-flowing rivers. 2. Madhya Pradesh has no west-flowing rivers. Correct? (IAS 2009)
- 1 only
- Both 1 and 2
- 2 only
- Neither 1 nor 2
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Answer: (D) Neither 1 nor 2
In Kerala the Kabini-Bhavani flow east; in MP the Narmada-Tapi flow west.
Read the full chapter in mind-map notes → - Which of these capitals lie north of the Tropic of Cancer? 1. Kolkata 2. Agartala 3. Bhopal 4. Aizawl 5. Ranchi
- 1, 2 and 4
- 2 and 4
- 1, 3 and 5
- All
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Answer: (B) 2 and 4
Agartala (≈ 23.8° N) and Aizawl (≈ 23.7° N) are north; Bhopal (≈ 23.26°) and Ranchi (≈ 23.34°) lie just south of the Tropic (≈ 23.44°).
Read the full chapter in mind-map notes → - By the Brundtland Commission, sustainable development means —
- Meeting present needs without compromising future generations' needs
- Postponing present needs to save everything for the future
- Raising only the economic growth rate
- Using up all resources at once
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Answer: (A) Meeting present needs without compromising future generations' needs
Our Common Future (1987).
Read the full chapter in mind-map notes → - Correct descending order of length? (IAS 2003)
- Godavari-Mahanadi-Narmada-Tapi
- Godavari-Narmada-Mahanadi-Tapi
- Narmada-Godavari-Tapi-Mahanadi
- Narmada-Tapi-Godavari-Mahanadi
Show answer
Answer: (B) Godavari-Narmada-Mahanadi-Tapi
1,465 > 1,312 > 851 > 724 km.
Read the full chapter in mind-map notes → - The transition zone between two ecosystems is called — (IAS 2000)
- Biome
- Biotope
- Ecotone
- Sere
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Answer: (C) Ecotone
A sere is a series of successional stages; a biotope is a habitat unit.
Read the full chapter in mind-map notes → - Which statement about laterite soil is correct? 1. It forms in temperate regions. 2. It is alkaline. 3. It is very rich in silica.
- 1 only
- 3 only
- 1 and 3
- None of them
Show answer
Answer: (D) None of them
Laterite forms in hot-humid regions, is acidic and loses its silica — all three statements are wrong.
Read the full chapter in mind-map notes → - The migratory Siberian crane used to visit which park in India?
- Sultanpur
- Ranganathittu
- Vedanthangal
- Keoladeo
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Answer: (D) Keoladeo
Keoladeo (Bharatpur) — also a Ramsar site and World Heritage site.
Read the full chapter in mind-map notes →
- Which layer of the Earth is liquid?
- Upper mantle
- Lower mantle
- Outer core
- Inner core
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Answer: (C) Outer core
S waves do not pass through the outer core — the proof that it is liquid.
Read the full chapter in mind-map notes → - Choose the correct statements — 1. The Aravali is a young mountain. 2. The Cincinnati arch is a dome structure. 3. The Himalaya was formed by folding. 4. Fujiyama was built by piling of volcanic material.
- 1 only
- 2 only
- 3 and 4
- 2, 3 and 4
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Answer: (D) 2, 3 and 4
The Aravali is among the oldest fold mountain ranges in the world.
Read the full chapter in mind-map notes → - Where does the equatorial region extend? 1. Northern South America 2. Central Africa 3. South Asia 4. South-East Asia
- 1, 2 and 4
- 2, 3 and 4
- 3 and 4
- All
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Answer: (A) 1, 2 and 4
South Asia (India etc.) is a monsoon region.
Read the full chapter in mind-map notes → - According to 2024-25 data, which state is first in oilseed output?
- Madhya Pradesh
- Gujarat
- Rajasthan
- Maharashtra
Show answer
Answer: (C) Rajasthan
Rajasthan (21.4%) > Madhya Pradesh > Maharashtra.
Read the full chapter in mind-map notes → - Which is the correct decreasing order of primary productivity per unit area? (IAS 2013)
- Oceans > lakes > grasslands > mangroves
- Mangroves > grasslands > lakes > oceans
- Mangroves > oceans > grasslands > lakes
- Grasslands > mangroves > lakes > oceans
Show answer
Answer: (B) Mangroves > grasslands > lakes > oceans
The open ocean, poor in nutrients, is the least productive.
Read the full chapter in mind-map notes → - Choose the correct statements about plutonic rocks — 1. They form at great depth. 2. Their crystals are very small. 3. Granite is an example.
- 1 only
- 2 only
- 1 and 3
- 3 only
Show answer
Answer: (C) 1 and 3
Slow cooling makes the crystals large.
Read the full chapter in mind-map notes → - In which months does Tamil Nadu get its main monsoon rain?
- March-April
- June-July
- July-August
- October-December
Show answer
Answer: (D) October-December
The retreating / north-east monsoon picks up moisture over the Bay of Bengal.
Read the full chapter in mind-map notes → - Choose the correct statements about a black hole — 1. It is a body of extreme density. 2. Its gravity is very weak. 3. Even light cannot escape from it.
- 1 only
- 2 only
- 1 and 3
- All three
Show answer
Answer: (C) 1 and 3
Its gravity is extremely strong, not weak.
Read the full chapter in mind-map notes → - The process by which rocks break up where they lie is called —
- Attrition
- Erosion
- Weathering
- Abrasion
- Which statement(s) about Maharashtra is/are correct? 1. Its first clear mention comes from Mauryan times. 2. It was formed on 1 May 1960 by separating from Madhya Pradesh. 3. The Satpura range lies in its western part.
- 1 only
- 1 and 2
- 2 only
- All three
Show answer
Answer: (A) 1 only
Maharashtra came from the division of Bombay State (not MP); the Sahyadri is in the west, the Satpura in the north.
Read the full chapter in mind-map notes →
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