Corrected or Updated Questions in ClearIAS Prelims Test Series 2019

Corrected Questions

ClearIAS aims for perfection. Errors in our exams are very minimal (less than 1% in a total of more than 4000 questions). But to err is human. However hard one may try, some minor human mistakes may creep in.

Policy of ClearIAS

It’s our policy to correct mistakes immediately if they are brought to our attention. As a best-practice, we have consolidated all questions, where there is any correction – on this page so that it will be easy for our readers for a quick revision. We thank all our students who bring to our attention any mistakes/errors in our exams.

Updated Questions/Answers/Learning Zone given below

Please find below, the updated version of the questions which had minor corrections. To avoid confusion, we are not mentioning what was ambiguous before, but we are just presenting the corrected or updated questions/answers/learning zone.

You may note that the question number varies with respect to each test-taker.

NCERT Geography – UPSC Prelims All India Mock Test (304PT-19)

Updated Question 1) Which of the following countries are the members of OPEC (Organisation of Petroleum Exporting Countries)?

  1. Indonesia
  2. Iraq
  3. Libya
  4. Nigeria
  5. Saudi Arabia
  6. Venezuela

Select the correct answer using the code given below.

  • A. 3 and 4 only
  • B. 2, 3, 5 and 6 only
  • C. 1, 2, 4 and 6 only
  • D. 2, 3, 4, 5 and 6 only

Correct Answer – D. 2, 3, 4, 5 and 6 only

Learning Zone: OPEC (Organisation of Petroleum Exporting Countries) was formed in 1949. The main objective of the organization is to coordinate and unify petroleum policies.

The member nations of OPEC are:

Equatorial Guinea
Saudi Arabia*
United Arab Emirates

Indonesia is a former member and not a current member. Indonesia had left OPEC.

Source: Fundamentals of Human Geography, Class 12 NCERT. Updated using latest data from the Government Websites.

Updated Question 2) Consider the following statements:
  1. The Narmada basin covers parts of Madhya Pradesh and Gujarat.
  2. The city of Ambala is located on the water divide between the Indus and the Ganga river systems.

Which of the statements given above is/are correct?

  • A. 1 only
  • B. 2 only
  • C. Both 1 and 2
  • D. Neither 1 nor 2

Correct Answer – C. Both 1 and 2

Learning Zone: The Narmada rises in the Amarkantak hills in Madhya Pradesh. It flows towards the west in a rift valley formed due to faulting. All the tributaries of the Narmada are very short and most of these join the main stream at right angles. The Narmada basin covers parts of Madhya Pradesh and Gujarat.

Ambala is located on the water divide between the Indus and the Ganga river systems.

Source: Geography – Contemporary India I, Class IX, NCERT

Note: New Test-Takers will see the updated questions automatically!

Those who are taking ClearIAS Mock Exams from now onwards will be seeing the updated versions during the mock exams.

As the results of already completed exams cannot be revised for individual users, those who have taken these mock exams long time before may please refer this updated version of the questions before appearing in actual UPSC Prelims.