Attempt this previous-year question. The correct option stays hidden until you choose.
There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
1. Discharge of nutrients from the estuaries.
2. Run-off from the land during the monsoon.
3. Upwelling in the seas.
Select the correct answer from the codes given below:
Pick an option to check yourself.
• Correct Answer: D
• Estuarine nutrient discharge, monsoon runoff carrying fertilizers, and upwelling of deep nutrient-rich waters all fuel algal blooms.
• Each factor independently increases nitrogen and phosphorus availability in surface waters.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
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