Social Studies Half Yearly Exam 2024-25 - Class 7

<p>10,000 km (C)</p> Signup and view all the answers

<p>Legislative Assembly (C)</p> Signup and view all the answers

<p>Babur</p> Signup and view all the answers

<p>greenhouse gases</p> Signup and view all the answers

<p>Kharaj</p> Signup and view all the answers

<p>Balban</p> Signup and view all the answers

<p>mixture</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Sea cave (A), U-shaped valley (B), Sand dune (D), Sand bar (E)</p> Signup and view all the answers

The end of the medieval period in India is marked by the 18th century.

Qutubuddin Aibak established the Slave dynasty, commencing the Delhi Sultanate in India.

Salto Angel, located in Venezuela, is the world's tallest waterfall.

The Earth's atmosphere extends up to approximately 10,000 km above the mean sea level.

The Council of Ministers is accountable to the Legislative Assembly, meaning they must answer to the elected representatives of the people.

The First Battle of Panipat, a pivotal battle in Indian history, was fought between the Lodi dynasty and Babur, the founder of the Mughal Empire.

The greenhouse effect is caused by an increase in greenhouse gases, mainly carbon dioxide, in the Earth's atmosphere, trapping heat and causing the planet to warm.

The land tax imposed by the Delhi Sultanate was known as the 'kharaj'.

Iltutmish, known for his administrative reforms and military prowess, was the most powerful ruler of the Slave Dynasty.

The air in the atmosphere is composed of various gases, including nitrogen, oxygen, and carbon dioxide, which are essential for life on Earth.

The stratosphere is characterized by horizontal air movement, playing a crucial role in stabilizing the climate.

The Chief Minister is the head of the executive branch in a state, responsible for implementing policies and leading the government.

The Governor appoints the Advocate General, who acts as the legal advisor to the state government.

The lower part of the exosphere, the outermost layer of the atmosphere, is called the ionosphere.

Nitrogen is an essential nutrient for plant growth, but it's not directly absorbed by plants. Instead, it needs to be converted into a usable form through nitrogen fixation.

Sand dunes are created by the wind's erosion and deposition of sand, resulting in large, wave-like mounds.

Loess is a fine-grained, wind-blown soil deposited by the wind, forming fertile and often flat landscapes.

Sea caves are formed when waves erode the rock along the coastline, creating hollow spaces in cliffs.

A sand bar is a ridge of sand deposited by ocean currents, often forming barriers or islands near the coast.

U-shaped valleys are formed by the erosive power of glaciers, carving out a distinct U-shape as they move through mountains.