Question:medium

Which of the following is/are correct labelling of P, Q, R, S with respect to the urban patterns shown below?

Show Hint

Unplanned clusters around a core = Organic; perpendicular crossing streets = Grid Iron; development tracing a river/road = Linear; rings crossed by radiating roads = Radial.
Updated On: Aug 6, 2026
  • P - Organic, R - Linear
  • P - Organic, Q - Linear
  • Q - Grid Iron, S - Radial
  • Q - Organic, R - Radial
Show Solution

The Correct Option is A, C

Solution and Explanation

Instead of testing the options one by one, name each of the four diagrams first, then see which options agree with those names.

  1. P: a dense, irregular cluster of buildings beside the agricultural field, with no repeating street geometry. This is the Organic pattern, the kind that grows unplanned around an old village core.
  2. Q: streets cross each other at right angles forming neat rectangular blocks. This is the Grid Iron pattern, seen in planned cities like Chandigarh's sectors.
  3. R: rows of plots curve along the bank of a meandering river. Even though the rows curve, the development is still stretched out as a single ribbon following that river, so this is the Linear pattern.
  4. S: concentric rings are cut by roads radiating outward from a central point. This is the Radial (or radial-concentric) pattern.

With P = Organic, Q = Grid Iron, R = Linear, and S = Radial fixed, option (A) "P-Organic, R-Linear" is fully correct, and option (C) "Q-Grid Iron, S-Radial" is also fully correct. Option (B) fails because it calls Q Linear, but Q is Grid Iron. Option (D) fails on both counts, since Q is not Organic and R is not Radial.

Let's summarize:

  • P is Organic, R is Linear, so option (A) holds.
  • Q is Grid Iron, S is Radial, so option (C) holds.
  • Options (B) and (D) each misname at least one pattern.

So the correct options are (A) and (C), that is, 1,3.

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