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GS Paper IUPSC Prelims 2014
Health & Medicine
Question No. 188Interactive Test Mode
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+2-0.66

Q188. Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2014 • Science and Technology

Correct Answer: Option (B) — algae and fungi

Concept & Option Breakdown

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Option (b) is correct: A lichen is a mutualistic symbiotic association between a fungus (the mycobiont, providing structure, water, and mineral absorption) and a photosynthetic partner (the photobiont, which is an alga or a cyanobacterium that produces nutrients through photosynthesis).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2014 (Q188)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (B) — algae and fungi

Related & Repeated Prelims PYQs (2)

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1999 • Q39784% Match

Which one of the following is a useful functional association between fungi and the roots of higher plants?

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2021 • Q280% Match

In nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Lichen 3. Moss 4. Mushroom Select the correct

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Frequently Asked Questions — UPSC Prelims 2014 Q188

What is the official answer for UPSC Prelims 2014 GS Paper I Question 188 (Science and Technology)?

The official UPSC answer key for this 2014 Science and Technology (Health & Medicine) question is Option (B): "algae and fungi". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2014 question belong to?

This question belongs to GS Paper I under the subject "Science and Technology" and micro-topic "Health & Medicine". You can explore all repeated questions from Health & Medicine in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Health & Medicine UPSC Prelims question using option elimination?

To solve Health & Medicine questions in UPSC Prelims, identify extreme modifiers, verify core NCERT conceptual definitions, and eliminate mutually contradictory statement pairs before locking your final option.

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