Test yourself

India: Physical Environment

Class 11 · Geography

Ch 2 · Structure and Physiography

Real UPSC Prelims questions from 2016–2026, linked to this book. Try each one first, then open the answer. 2026 answers follow UPSC's provisional answer key.

Prelims 2018 · Q85

Consider the following statements:

1.The Barren Island volcano is an active volcano located in the Indian territory.
2.Barren Island lies about 140 km east of Great Nicobar.
3.The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.

Which of the statements given above is/are correct?

(a)1 only
(b)2 and 3
(c)3 only
(d)1 and 3

Show answer

UPSC's answer: (a)

NCERT answers it: Class 11 India: Physical Environment, Ch 2 (Structure and Physiography); Class 7 Exploring Society: India and Beyond (Part 1), Ch 1 (Geographical Diversity of India).

The one fact NCERT doesn't give: Barren Island has erupted again since 1991, for example in 2005 and 2017, so it has not been inactive since then.

Class 11 India: Physical Environment, ch 2, calls it India's only active volcano (statement 1). Answer (a).

Hindi version: UPSC's official question paper (2018), question 85 ↗

Prelims 2026 · Q34

Which of the following geographical features or phenomena is/are associated with the Peninsular Block of India?

1.Submergence of parts of the western coast due to tectonic activity
2.Presence of residual mountain ranges such as the Veliconda hills and Mahendragiri hills
3.Deep, V-shaped river valleys formed by fast-flowing rivers

Select the answer using the code given below:

(a)1 only
(b)1 and 2
(c)2 and 3
(d)3 only

Show answer

UPSC's provisional answer: (b)

NCERT answers it: Class 11 India: Physical Environment, Ch 2 (Structure and Physiography).

Class 11 India: Physical Environment, ch 2: part of the Peninsula's western coast is submerged beneath the sea (1), and it has residual mountains such as the Veliconda and Mahendragiri hills (2). Its river valleys are shallow with low gradients (3 false). Answer (b).

Hindi version: UPSC's official question paper (2026), question 34 ↗

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