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UPSC 2010: Some species of plants are insectivorous. Why ?
(a)Their growth in shady and dark places does not allow them to undertake sufficient photosynthesis and thus they depend on insects for nutrition.
(b)They are adapted to grow in nitrogen deficient soils and thus depend on insects for sufficient nitrogenous nutrition.
(c)They cannot synthesize certain vitamins themselves and depend on the insects digested by them.
(d)They have remained in that particular stage of evolution as living fossils, a link between autotrophs and heterotrophs.
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Not attemptedCorrect Answer: (b) They are adapted to grow in nitrogen deficient soils and thus depend on insects for sufficient nitrogenous nutrition.
Carnivorous plants typically grow in bogs and other nitrogen-poor soils; by digesting insects they obtain the nitrogen compounds that the soil cannot supply, enabling normal protein synthesis and growth. Low light or vitamin needs are not the cause, and they are not ‘living fossils’. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Venus_flytrap?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2010 Environment & Ecology question?▼
The correct answer is option (b): They are adapted to grow in nitrogen deficient soils and thus depend on insects for sufficient nitrogenous nutrition.. 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 2010, GS Paper 1, as Question 65. 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.