Discussion
Assertion (A) : Estuaries are productive ecosystems.
Reason (R) : Large amounts of nutrients are introduced into the basin from the rivers that run into them.
Choose the correct answer :
Answer: A
Both statements are true and the reason explains the assertion. Estuaries are among the most productive ecosystems because rivers bring in large amounts of nutrients that are trapped in the basin by tides, supporting plankton, marsh plants and fish.
Since the nutrient supply in (R) is the cause of the high productivity in (A), option A is correct and the others deny a true statement or the link between them.
Testing each of the remaining options against the same fact shows that every one of them fails on the point the question is asking about, which confirms the keyed answer.
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development