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GS Paper IUPSC Prelims 2021
Biodiversity & Conservation
Question No. 206Interactive Test Mode
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+2-0.66

Q206. Consider the following statements: 1. Moringa (drumstick tree) is a leguminous evergreen tree. 2. The Tamarind tree is endemic to South Asia. 3. In India, most of the tamarind is collected as minor forest produce. 4. India exports tamarind and seeds of moringa. 5. Seeds of moringa and tamarind can be used in the production of biofuels. Which of the statements given above are correct?

Consider the following statements:

  1. Moringa (drumstick tree) is a leguminous evergreen tree.
  2. The Tamarind tree is endemic to South Asia.
  3. In India, most of the tamarind is collected as minor forest produce.
  4. India exports tamarind and seeds of moringa.
  5. Seeds of moringa and tamarind can be used in the production of biofuels.

Which of the statements given above are correct?

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 2021 • Environment and Ecology

Correct Answer: Option (B) — 3, 4 and 5

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is incorrect: Moringa (Moringa oleifera) belongs to the family Moringaceae (not Fabaceae/leguminous) and is typically deciduous.

Statement 2 is incorrect: Tamarind (Tamarindus indica) is native to tropical Africa, though it was introduced into South Asia long ago.

Statement 3 is correct: Tamarind is classified as a Minor Forest Produce (MFP) in India, collected predominantly by tribal and local forest-dwelling communities.

Statement 4 is correct: India is a major exporter of tamarind and moringa seeds/products.

Statement 5 is correct: Oil extracted from both moringa seeds and tamarind seed kernels can be transesterified for biofuel production.

Elimination Heuristic & Exam Approach

Botanical classification eliminate technique: Moringa belongs to Moringaceae (not a legume), eliminating statement 1. This leaves only option B (3, 4 and 5).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2021 (Q206)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicEnvironment and Ecology → Biodiversity & Conservation
Official Answer KeyOption (B) — 3, 4 and 5

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Frequently Asked Questions — UPSC Prelims 2021 Q206

What is the official answer for UPSC Prelims 2021 GS Paper I Question 206 (Environment and Ecology)?

The official UPSC answer key for this 2021 Environment and Ecology (Biodiversity & Conservation) question is Option (B): "3, 4 and 5". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2021 question belong to?

This question belongs to GS Paper I under the subject "Environment and Ecology" and micro-topic "Biodiversity & Conservation". You can explore all repeated questions from Biodiversity & Conservation 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 Biodiversity & Conservation UPSC Prelims question using option elimination?

Botanical classification eliminate technique: Moringa belongs to Moringaceae (not a legume), eliminating statement 1. This leaves only option B (3, 4 and 5).

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