Environmental Science and Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ES 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 13–15 of 65. Imported answers require review unless explicitly marked reviewed.
Question 13
Open questionESMCQ1 markNeeds review
Consider the following two series
P:
Q:
Choose the correct option from the following
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Choose the redox reaction from the following
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Open questionESMCQ1 markNeeds review
Which one of the following is performed by autotrophic bacteria?
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