86. Which of the following is not correctly matched?
(A) Bhimtal – Dissolution Lake
(B) Asthamudi – Fluvial Lake
(C) Pulicat – Lagoon Lake
(D) Pangong Tso – Tectonic Lake
Answer:
(B) Asthamudi – Fluvial Lake
Explanation:
Ashtamudi Lake in Kerala is an estuary/lagoon and a backwater system, not a fluvial (riverine) lake.
87. Jhum cultivation is an important economic activity in Northeast India. This activity falls into which group?
(A) Quinary Activities
(B) Tertiary Activities
(C) Secondary Activities
(D) Primary Activities
Answer:
(D) Primary Activities
Explanation:
Jhum cultivation (slash-and-burn shifting agriculture) is an agricultural practice, directly tied to the extraction/harvesting of natural resources, making it a primary economic activity.
88. Which one of the following industries is not a ‘Weight loss industry’?
(A) Cotton Textile Industry
(B) Paper Industry
(C) Cement Industry
(D) Iron and steel Industry
Answer:
(A) Cotton Textile Industry
Explanation:
A “weight-losing industry” uses raw materials that lose weight during processing (like sugarcane or iron ore). Raw cotton does not lose significant weight when spun into yarn or woven into fabric, making the cotton textile industry a non-weight losing (“pure material”) industry.
89. Which of the following states is also known as the “Land of Red river and Blue hills”?
(A) Arunachal Pradesh
(B) Meghalaya
(C) Assam
(D) Sikkim
Answer:
(C) Assam
Explanation:
Assam is famously referred to as the “Land of Red River and Blue Hills” because of the heavily sediment-laden Brahmaputra River (often appearing reddish) and the surrounding scenic blue-hued hill ranges.
90. Which of the following is not correctly match?
(A) Aravalli – Residual Mountain
(B) Himalaya – Young fold Mountain
(C) Nilgiri – Volcanic Mountain
(D) Satpura – Block Mountain
Answer:
(C) Nilgiri – Volcanic Mountain
Explanation:
The Nilgiri Hills are block mountains/residual horsts formed by faulting, not by volcanic activity.
