MP Board · Class 12 · Biology · Organisms and PopulationsWhat is the salinity level (measured in parts per thousand, ppt) of inland freshwaters?
Step-by-Step Solution
The salinity level of inland freshwaters is less than 5 ppt. Sea water has a salinity of 30-35 ppt, while hypersaline lagoons exceed 100 ppt.
Detailed Options Breakdown
Option : Less than 5 ppt (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 30 to 35 ppt
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organisms and Populations.
Option 2: More than 100 ppt
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organisms and Populations.
Option 3: 50 to 70 ppt
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Organisms and Populations.
💡 Study Guide: This question tests core syllabus concepts from Organisms and Populations. For formulas, key summaries, and mock exam reference guides, read the full Organisms and Populations Revision Notes.