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UPSC 2018: Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss? 1. Hard and waxy leaves 2. Tiny leaves 3. Thorns instead of leaves Select the correct answer using the code given below:
(a)2 and 3 only
(b)2 only
(c)3 only
(d)1, 2 and 3
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Not attemptedCorrect Answer: (d) 1, 2 and 3
Xerophytic (desert) plants limit transpiration by having thick waxy cuticles, very small (or absent) leaves, and by modifying leaves into thorns; all three listed modifications occur, so statements 1, 2 and 3 are correct. ([edukemy.com](https://edukemy.com/blog/upsc-prelims-2018-question-2/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2018 Environment & Ecology question?▼
The correct answer is option (d): 1, 2 and 3. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Ecosystems & Ecology Concepts question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2018, GS Paper 1, as Question 2. It falls under Environment & Ecology > Ecosystems & Ecology Concepts.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Ecosystems & Ecology Concepts?▼
UPSC has asked 48 questions from Ecosystems & Ecology Concepts (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.