Ocean salinity and temperature
Telangana Open School (TOSS) · Class 12 · Geography
Most important questions from Ocean salinity and temperature for Telangana Open School (TOSS) Class 12 Geography board exam 2026. MCQs, short answer, and long answer questions with marks.
Interactive on Super Tutor
Studying Ocean salinity and temperature? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
1,000+ Class 12 students started this chapter today
Sample Questions
Which factor causes ocean temperature to decrease from equator to poles?
Show answer
Latitude
Latitude affects the angle of sunlight, with vertical rays at the equator and slanting rays at poles, causing temperature variation.
What is the main salt in seawater?
Show answer
Sodium Chloride
Sodium chloride (NaCl) is the most abundant salt in seawater, making up about 77.8% of total dissolved salts.
Which zone experiences rapid temperature decrease with depth?
Show answer
Thermocline
The thermocline is the layer between 100–1000 meters where temperature drops rapidly with depth.
Which sea has very low salinity due to large freshwater inflow?
Show answer
Baltic Sea
The Baltic Sea has low salinity (3–15‰) due to large freshwater input from rivers and limited evaporation.
+49 more questions available
Practice AllFrequently Asked Questions
What are the important topics in Ocean salinity and temperature for Telangana Open School (TOSS) Class 12 Geography?
How to score full marks in Ocean salinity and temperature — Telangana Open School (TOSS) Class 12 Geography?
How many important questions are there in Ocean salinity and temperature?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Ocean salinity and temperature
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Ocean salinity and temperature chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Geography.