C9-L3-VINAY-SOC-CQ

The hydrological cycle is best described as:

• A) A one-way transfer of water from oceans to land

• B) A cyclical exchange of water among oceans, atmosphere, land, and living things

• C) A seasonal phenomenon limited to monsoon regions

• D) Only the evaporation of water into the atmosphere

Tags

Tough

Acharya

Standard

L9HY1

Explain_the_hydrological_cycle_and_its_importance_for_life.

The percentage of Earth’s water stored in oceans is approximately ___%.

• 97%

• 75%

• 50%

• 85%

Tags

Hard

Vidhyarthi

Cloze

L2R9X

Identify_global_water_distribution.

Match the ocean with its boundary:

• Separates Americas from Europe & Africa

• Indian Ocean

• Between Africa, Asia & Australia

• Pacific Ocean

• Separates Asia & Oceania from Americas

• Atlantic Ocean

Tags

Medium

Chanakya

Match

L0U1J

Name_and_locate_major_oceans_and_seas.

Read this line: “Gandhiji launched the Dandi March against the salt laws.” Which statements are correct?

• Salt was a basic need of people

• British controlled salt production

• Salt had no economic importance

• Protest highlighted colonial exploitation

Tags

Challenging

Maurya

MS

L9Y3F

Define_salinity_causes_and_high_low_areas.

Given: Lake Retba has salinity of ~400 ppt. Which inference is correct?

• It is less saline than the ocean

• It is a hypersaline lake

• It has freshwater suitable for irrigation

• Its salinity comes only from rivers

Tags

Tough

Acharya

MCQ

L3P5E

Identify_factors_affecting_ocean_salinity.

A coastal village faces saltwater intrusion. Arrange steps for mitigation in the correct order:

• Construct barriers

• Plant mangroves

• Recharge groundwater wells

• Reduce over-pumping

Tags

Hard

Chanakya

Arrange

L5H2V

Explain_infiltration_and_groundwater_formation.

Why did early humans settle near oceans and rivers?

• For decorative purposes

• For food, water, and transport

• To avoid natural disasters

• Only for salt collection

Tags

Medium

Maurya

MCQ

L6N4U

Describe_ocean_resources_food_minerals_energy_transport.

Question: “Is calling Earth the ‘Blue Planet’ accurate? Give one supporting reason and one

caution.”

Tags

Tough

Tapaswi

Open-ended

L0F3A

Analyze_human_impacts_pollution_overfishing_climate_change.

A shipping company plans a route across the Pacific. They must consider: currents, salinity, temperature, and winds. Which is the BEST decision?

• Follow warm currents only

• Plan along favorable winds and currents

• Ignore salinity as irrelevant

• Sail randomly across shortest distance

Tags

Challenging

Chanakya

Story-Path

L1V8Q

Define_ocean_currents_types_and_climate_impact.

Which ocean is the smallest?

• Pacific

• Atlantic

• Indian

• Arctic

Tags

Medium

Vidhyarthi

MCQ

L0U1J

Name_and_locate_major_oceans_and_seas.