1. Which of the following landforms is/are formed by the process of chemical weathering?
- Stalagmite
- Stalactite
- Icicle
Select the correct answer using the codes given below:
[A] Only 3
[B] Only 1 & 2
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 2]
Notes:
Stalagmites and stalactites are formed by chemical weathering as mineral-laden water dissolves calcium carbonate, depositing it in caves. Icicles result from the freezing of dripping water, indicating a physical change. Thus, only stalagmite and stalactite correctly represent features formed by chemical weathering processes in limestone caves.
2. Consider the following statements regarding the Intergovernmental Science-policy Platform on Biodiversity and Ecosystem Services (IPBES):
- Its secretariat is located in Bonn, Germany.
- It is the United Nations body for assessing the science related to biodiversity and ecosystem.
- It is an independent intergovernmental body, established in 2012.
- Its objective is to strengthen research and evidence-based policy making for the conservation and sustainable use of biodiversity.
Which of the above statements is not correct?
[A] Only 1
[B] 2 and 4
[C] Only 2
[D] 1, 3 and 4
Show Answer
Correct Answer: C [Only 2]
Notes:
The only incorrect statement is statement 2. IPBES is not a United Nations body, but an independent intergovernmental body established by member states in 2012. Its secretariat is located in Bonn, Germany. The platform supports evidence-based policy for biodiversity conservation and sustainable use. Statements 1, 3, and 4 are correct as per official IPBES sources.
3. Consider the following statements regarding the G20:
- Italy, Indonesia, and India are the current Troika countries.
- The first G20 Summit was held in London.
- Italy, France, Spain, and Germany are all member countries of the G20.
Which of the above statements is/are correct?
[A] Only 1
[B] Only 3
[C] Only 1 and 2
[D] 1, 2 and 3
Show Answer
Correct Answer: A [Only 1]
Notes:
Statement 1 is correct: Italy, Indonesia, and India are presently part of the G20 Troika. Statement 2 is incorrect as the first G20 Summit took place in 2008 in Washington DC, not London. Statement 3 is incorrect as Spain is not a formal G20 member; it participates as a permanent guest. Therefore, only Statement 1 is correct.
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