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GS Paper IUPSC Prelims 1999
Health & Medicine
Question No. 493Interactive Test Mode
00:00
+2-0.66

Q493. Lathyrism is caused by excessive consumption of:

Lathyrism is caused by excessive consumption 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 1999 • Science and Technology

Correct Answer: Option (A) — khesari dal

Concept & Option Breakdown

Standard Reference Verified

Lathyrism (neurolathyrism) is a motor neuron disorder characterized by spastic paralysis of the lower limbs, caused by excessive consumption of Khesari dal (Lathyrus sativus), which contains the neurotoxin β-ODAP (beta-N-oxalyl-L-alpha,beta-diaminopropionic acid).

Elimination Heuristic & Exam Approach

Lathyrism takes its name directly from the plant species Lathyrus sativus (khesari dal).

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1999 (Q493)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (A) — khesari dal

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Frequently Asked Questions — UPSC Prelims 1999 Q493

What is the official answer for UPSC Prelims 1999 GS Paper I Question 493 (Science and Technology)?

The official UPSC answer key for this 1999 Science and Technology (Health & Medicine) question is Option (A): "khesari dal". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1999 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?

Lathyrism takes its name directly from the plant species Lathyrus sativus (khesari dal).

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