Class 7 Geography Chapter 5 Question Answers - Water

Very Short Question Answer:

Q1: An artificial enclosure for keeping small house plants is called………………………

Ans: Terrarium

Q2: The major source of fresh water is the rivers, ponds, springs, and glaciers. (T/F)

Ans: True

Q3: Two-thirds of the earth's surface is covered by water. (T/F)

Ans: False

Q4: …………… is celebrated as World Water Day.

Ans: 22nd March

Q5: The rhythmic rise and fall of ocean water twice in a day is called…………………

Ans: Tide

Q6: During neap tide sun, moon, and earth lie in a straight line. (T/F)

Ans: False

Q7: High tide helps in navigation. (T/F)

Ans: True

Q8: The areas where warm and cold currents meet provide the best fishing grounds in the world. (T/F)

Ans:  True

Q9: …………………is the southernmost point of India.

Ans: Indira point

Q10: The process by which water continuously changes its form and circulates between ocean, atmosphere, and land is called……………….

Ans: Water cycle

Q11: Match the following-

Ans : 

Q12: The ocean bodies and seas contain salty water. (T/F)

a. Troposphere

b. Stratosphere

c. Mesosphere

d. Exosphere

Ans: True

Ocean bodies and seas indeed contain salty water. This statement is true because oceans have an average salinity of about 3.5%, primarily due to the minerals and salts that are washed into them from land and other sources.

Q13: Sodium chloride salt is mostly dissolved in the ocean and seawater. (T/F)

Ans: True

Q14: Salinity is the amount of salt in grams present in …………grams of water.

Ans: 1000

Q15: The……………… of earth's surface is covered by water.

Ans: Three-fourth

Q16: Which amongst the following has the maximum coverage of water on the earth's surface-

a. Ground water

b. Ice caps

c. Ocean

d. River

Ans: Ocean

Oceans have the maximum coverage of water on Earth's surface, accounting for about 97% of all Earth's water. They cover approximately 71% of the planet, making them the largest bodies of water on Earth.

Q17: ………………are formed when gentle winds scraps across the ocean surface.

Ans: Waves

Q18: Indira Point belongs to which of the following countries?

a. Sri Lanka

b. Bangladesh

c. Nepal

d. India

Ans: India

Indira Point is located in India. It is the southernmost tip of the Nicobar Islands, which are part of India's territory in the Bay of Bengal.

Q19: Seismic activity is more prone in the Pacific Ocean (T/F)

Ans: True

Q20: Rapid withdrawal of water from the coastal region gives the warning of –

a. Earthquake

b. Tsunami

c. Flood

d. Volcanism

Ans: Tsunami

The rapid withdrawal of water from the coast signals a tsunami. This occurs when a massive disturbance, like an earthquake, displaces water, causing it to pull back before the waves hit. This sudden drop in sea level is a crucial warning to evacuate the area before the tsunami strikes.