Why is Earth called the Blue Planet?

Earth is called the Blue Planet because nearly three-fourths of its surface is covered with water.

True or False: The Southern Hemisphere contains more land than the Northern Hemisphere.

False. The Northern Hemisphere contains more land, while the Southern Hemisphere contains more water.

Fill in the blank: _____ is the largest continent covering most land in the Northern Hemisphere.

Asia

What does 'Sam noh Varunah' mean in the Indian Navy's emblem?
A) Victory at sea
B) Be auspicious to us, O Varuna
C) Protect our waters
D) Naval strength

B) Be auspicious to us, O Varuna

Which ocean is the largest in the world?

Pacific Ocean

Name the five major oceans of the world.

Pacific, Atlantic, Indian, Arctic, and Southern (Antarctic) Ocean

True or False: Oceans are completely separate bodies of water that don't connect.

False. Oceans are interconnected, and water flows freely between them through currents and waves.

What is the difference between a bay and a gulf?

A bay is a wide inlet where land curves inward; a gulf is larger and partially enclosed by land.

Fill in the blank: The Indian Ocean is bordered by _____ to the north and _____ to the west.

Asia to the north and Africa to the west

What are the two important parts of the Indian Ocean near India?

Arabian Sea (west of India) and Bay of Bengal (east of India)

Why is seawater salty while river water is not?
A) Ocean plants make salt
B) Rain washes minerals from land into sea
C) Sea animals produce salt
D) Sunlight creates salt

B) Rain washes minerals from land into sea

What causes a tsunami?

Undersea earthquakes, submarine landslides, or volcanic eruptions cause tsunamis.

True or False: The 2004 tsunami affected only Indonesia.

False. It affected many countries around the Indian Ocean, including India's coastal areas.

When is World Oceans Day observed?

8 June

Fill in the blank: Oceans are called the planet's _____ because they produce oxygen through photosynthesis.

Lungs

How many continents are commonly taught in schools?
A) Five
B) Six
C) Seven
D) Eight

C) Seven

What is an island?

A land area completely surrounded by water, smaller than continents.

Which is the largest island in the world?

Greenland

True or False: India has scientific research stations in Antarctica.

True. India established its first Antarctic base called Dakshin Gangotri in 1983.

Riddle: I bring monsoon rains to India, support marine life, and regulate Earth's climate. What am I?

Oceans (specifically the Indian Ocean for monsoons)