Class 7 GK Practice Quiz

Paris is the capital city of France known for its rich history and famous landmarks such as the Eiffel Tower. It remains a global center for art, fashion, and culture.

Mars is frequently called the Red Planet due to its reddish appearance, which is a result of iron oxide on its surface. Its distinctive color makes it a subject of interest in both science and popular culture.

Oxygen is essential for most living organisms because it is required for cellular respiration. Its availability is crucial for the production of energy in cells.

The Pacific Ocean is the largest ocean on Earth and covers a vast area exceeding all other oceans combined. Its immense size plays a critical role in regulating planetary weather and climate.

A thermometer is a device used to measure temperature accurately. It is commonly used in weather forecasting, healthcare, and scientific experiments.

The ancient Egyptians constructed the pyramids as elaborate tombs for their pharaohs. Their architectural expertise and mastery over engineering allowed them to build these monumental structures.

The Sun is the primary source of energy for the Earth, providing heat and light that drive weather patterns and ecosystems. Its energy supports virtually all life forms on the planet.

Coal is a fossil fuel that is considered non-renewable because it forms over millions of years from decaying organic matter. Unlike renewable resources such as solar and wind energy, coal is finite and depleting.

Photosynthesis is the process by which plants convert sunlight into chemical energy using chlorophyll. This process not only fuels plant growth but also produces oxygen as a vital byproduct.

William Shakespeare is the renowned playwright behind 'Romeo and Juliet'. His works remain influential across centuries and are a cornerstone of English literature.

A seismograph is used to detect and record the intensity of earthquakes. This instrument helps scientists analyze seismic activity and understand the dynamics of Earth's crust.

The Great Barrier Reef is found off the coast of Australia. It is the largest coral reef system in the world and is renowned for its biodiversity.

An ecosystem is defined as a community of living organisms interacting with each other and their physical environment. This interaction sustains various life processes and the balance of nature.

The United Nations was established with the goal of promoting international peace and security. It facilitates cooperation among member countries and addresses global challenges through dialogue and action.

The circulatory system is responsible for transporting essential nutrients and oxygen to cells throughout the body. This process is critical for maintaining energy levels and overall bodily function.

The scientific method offers a systematic method to observe, question, hypothesize, and experiment. This structured approach ensures that results are both valid and replicable, forming the foundation of scientific inquiry.

World War II drastically altered the global political landscape, leading to the redrawing of national borders and the formation of new political alliances. The war's aftermath also paved the way for international organizations aimed at preventing future conflicts.

Deforestation results in the removal of trees and vegetation, which are critical habitats for many species. This loss of habitat leads to a decline in biodiversity and can cause the extinction of vulnerable species.

Tectonic plates are massive sections of Earth's crust that interact to cause earthquakes, volcanic activity, and the formation of mountain ranges. Their movement is a driving force behind many geological phenomena observed on the planet.

The development of the internet enabled instantaneous global communication and transformed how people share information. This advancement has had far-reaching impacts on society, economy, and culture worldwide.