S1. The sun is the primary transmitter of energy for the processes of change on the Earth's surface and in the atmosphere. S6. Only a small part of insolation is absorbed and converted into thermal energy. P. Its rays are transmitted in various wavelengths of the solar spectrum, mainly in the ultraviolet, visible and infrared bands. Q. When components of the solar spectrum reach the earth, the insolation is partially absorbed and converted to thermal energy. R. The amount of energy the earth receives from other celestial bodies is negligible by comparison. S. Radiant energy from the sun that strikes the earth is called insolation.

Directions: In this section, each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P. Q. R, and S. You are required to find the proper sequence of these four sentences and mark your response accordingly on the Answer Sheet.

  1. A. PSQR
  2. B. QSPR
  3. C. SQRP
  4. D. RSQP ✓

Correct Answer: D. RSQP

Explanation

The correct sequence is RSQP. R notes that energy from other bodies is negligible; S defines insolation; Q describes how it reaches earth; and P further details the spectrum bands.

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