Explore Exams
Login Signup
Sign in Open App
CBSE Class 7  >  Class 7 Test  >  Social Studies (SST) (Old NCERT)  >  Important Questions: Water - Class 7 MCQ

Important Questions: Water - Free MCQ Test with solutions for Class 7 SST


MCQ Practice Test & Solutions: Important Questions: Water (10 Questions)

You can prepare effectively for Class 7 Social Studies (SST) Class 7 (Old NCERT) with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Important Questions: Water". These 10 questions have been designed by the experts with the latest curriculum of Class 7 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

Sign up on EduRev for free to attempt this test and track your preparation progress.

Important Questions: Water - Question 1
Save

During the full moon and new moon days, the sun, the moon and the earth are in the same line and the tides are highest. These tides are called

Detailed Solution: Question 1

During these Moon phases, the solar tide coincides with the lunar tide because the Sun and the Moon are aligned with Earth, and their gravitational forces combine to pull the ocean's water in the same direction. These tides are known as spring tides or king tides.

Important Questions: Water - Question 2
Save

What fraction of earth is covered by water

Detailed Solution: Question 2

About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers.

Topic in NCERT: DISTRIBUTION OF WATER BODIES

Line in NCERT: "We all know that three-fourth of the earth surface is covered by water."

Clear all your doubts with EduRev
Important Questions: Water - Question 3
Save

What is one of the primary roles of ocean currents?

Detailed Solution: Question 3

Ocean currents play a crucial role in redistributing heat around the planet by moving warm water from the equator toward the poles and bringing cold water from the poles back toward the equator. This process helps regulate global climate and weather patterns.

Topic in NCERT: OCEAN CURRENTS

Line in NCERT: "Ocean currents are streams of water flowing constantly on the ocean surface in definite directions."

Important Questions: Water - Question 4
Save

The ____ originate near the equator and move towards the pole

Detailed Solution: Question 4

Warm ocean currents flow away from the equatorial region on the western side of ocean basins. The Gulf Stream in the North Atlantic and the KuroshioCurrent in the North Pacific are examples of warm currents. Of all the warm currents, the Gulf Stream has been studied most extensively.

Topic in NCERT: OCEAN CURRENTS

Line in NCERT: "Generally, the warm ocean currents originate near the equator and move towards the poles."

Important Questions: Water - Question 5
Save

____ are streams of water flowing constantly on the ocean surface in definite directions

Detailed Solution: Question 5

Ocean currents are primarily horizontal water movements. Ocean currents flow for great distances, and together, create the global conveyor belt which plays a dominant role in determining the climate of many of the Earth's regions.

Topic in NCERT: OCEAN CURRENTS

Line in NCERT: "Ocean currents are streams of water flowing constantly on the ocean surface in definite directions."

Important Questions: Water - Question 6
Save

The Labrador Ocean current is ___ current while the Gulf Stream is a ___ current

Detailed Solution: Question 6

The Labrador Current is a cold current in the North Atlantic Ocean which flows from the Arctic Ocean south along the coast of Labrador and passes around Newfoundland, continuing south along the east coast of Nova Scotia. It is a continuation of the West Greenland Current and the Baffin Island Current.

Topic in NCERT: OCEAN CURRENTS

Line in NCERT: "The Labrador Ocean current is cold current while the Gulf Stream is a warm current."

Important Questions: Water - Question 7
Save

What is the average salinity of the oceans?

Detailed Solution: Question 7

Seawater from the world's oceans has an average salinity of approximately 3.5%, which is equivalent to 35 parts per thousand. This means that every kilogram of seawater contains about 35 grams of dissolved salts, primarily sodium chloride but also other minerals. (NCERT Reference)

Important Questions: Water - Question 8
Save

The process by which water continually changes its form and circulates between oceans, atmosphere, and land is called:

Detailed Solution: Question 8

The water cycle refers to the continuous movement of water through evaporation, condensation, and precipitation, circulating between the oceans, atmosphere, and land​.

Important Questions: Water - Question 9
Save

Why can swimmers float easily in the Dead Sea?

Detailed Solution: Question 9

The Dead Sea has a salinity of 340 grams per liter of water, making it extremely dense. This increased density allows swimmers to float easily.

Topic in NCERT: DISTRIBUTION OF WATER BODIES

Line in NCERT: "Swimmers can float in it because the increased salt content makes it dense."

Important Questions: Water - Question 10
Save

\What is the first sign of an approaching tsunami?

Detailed Solution: Question 10

Before a tsunami strikes, the water along the coastline often retreats rapidly, exposing areas of the seabed​.

61 videos|46 tests
Join Course
Information about Important Questions: Water Page
In this test you can find the Exam questions for Important Questions: Water solved & explained in the simplest way possible. Besides giving Questions and answers for Important Questions: Water, EduRev gives you an ample number of Online tests for practice
Download as PDF

About this Class 7 Practice Test

This test contains 10 MCQs on Important Questions: Water with detailed solutions for each question. It is part of the Social Studies (SST) Class 7 (Old NCERT) course on EduRev, designed to align with the current Class 7 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

Explore more Class 7 Study Resources

If you found this Important Questions: Water MCQ Test helpful, you can further enhance your Class 7 preparation with in-depth courses on EduRev, for all the subjects and topics available in Social Studies (SST) Class 7 (Old NCERT) course. The course offers:
  • Video Lectures: covering all the topics of Social Studies (SST) Class 7 (Old NCERT)
  • Notes for Revision: offering revision notes, important questions, summaries, flashcards, cheatsheets & more for Class 7 preparation
  • MCQ Test: variety of questions as per the pattern of Class 7 exam
Signup on EduRev and stay on top of your study goals
Signup with Google
10M+ students crushing their study goals daily