Biology · Ecosystem and Environment
Which of the following statements about ecosystems and their components are correct? (A) An ecosystem always requires both biotic and abiotic components. (B) Energy flow in an ecosystem is unidirectional, whereas nutrients are recycled. (C) The biosphere can be considered an open ecosystem with respect to energy but a closed ecosystem with respect to matter. (D) Aquatic ecosystems are not always larger in size compared to terrestrial ecosystems.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1A, B and C only
- 2B, C and D only
- 3A, C and D only
- 4A, B and D only✓
Correct answer
A, B and D only
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Biology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Ecosystem and Environment MCQs →Want more practice questions on Ecosystem and Environment?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Biology · Ecosystem and Environment