Page 98 - CT&AI_CLasa_7_Part_1

DecomPosiTion (c) They are formed due to volcanic
6. Which feature acts as a natural barrier activity.
preventing the Thar Desert from expanding
eastward? (d) They are formed due to glacier
melting.
(a) Western Ghats act as a barrier.
AlgoriThmic Thinking
(b) Himalayas act as a barrier.
9. Which sequence best explains the formation
(c) Aravalli Hills act as a barrier. of the Himalayas?
(a) Eurasia moved → India broke →
(d) Eastern Ghats act as a barrier.
Collision happened. computational thinking quest
(b) India moved north → Collided with
7. Identify the correct decomposition of
Eurasia → Land crumpled into
Himalayan ranges from north to south.
mountains. Tick ( ) the correct option.
(a) Shivalik → Himachal → Himadri (c) Mountains formed → India collided AbsTrAcT Thinking
sequence is correct. → Plate movement stopped.
(d) Land folded → India moved → 1. Why is it difficult for Krishnan to explain
(b) Himadri → Himachal → Shivalik “cold” to Amir without measurement?
Eurasia broke.
sequence is correct.
10. If India continues to move northward, what will (a) Because temperature does not
(c) Himachal → Shivalik → Himadri likely happen to the Himalayas over time? change.
sequence is correct. (b) Because cold is felt differently by
(a) The Himalayas will shrink different people.
(d) Shivalik → Himadri → Himachal
gradually.
sequence is correct. (b) The Himalayas will disappear (c) Because weather cannot be
8. Why are deltas formed near river mouths? completely. measured.
(a) They are formed due to erosion by (c) The Himalayas will continue to (d) Because only scientists can feel
wind. grow taller. temperature.
(b) They are formed due to deposition (d) The Himalayas will become flat 2. Which logical conclusion explains why digital
of sediments by rivers. land. thermometers are preferred?
(a) They are cheaper only.

There are four regions—I (Mountains), II (Plains), III (Desert), and IV (Plateau). (b) They are less accurate.
• Region I provides water to II. (c) They are more precise and can
• Region II supports dense population and agriculture. record more data.
• Region III has extreme temperatures and scarce water.
• Region IV is rich in minerals and slopes slightly eastward. (d) They do not measure temperature.
• Only one region matches each description. 3. Why is weather mainly experienced in the
Which region is most suitable for large-scale farming and why? troposphere?

(a) Region I because of high altitude. (a) It contains no air.

(b) Region II because of fertile soil and water availability. (b) It is the outermost layer.

(c) Region III because of dry conditions. (c) It contains most air and supports
life and weather phenomena.
(d) Region IV because of mineral richness.
(d) It is the coldest layer.

96 Computational Thinking-7 (Social Science)