Sectional test

Biology (Prelims GS) Test 2

• 25 questions
• 20 minutes
• +1 right · −0.25 wrong
• 0 students ranked

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First questions

1. An increase in concentration of the toxicants which are neither metabolized nor excreted and get deposited at successive trophic levels is called
2. What is the full form of ‘BOD’?
3. What is the full form of 'BOD'?