Natural and Human Envrionment Quiz

Which of the following statements is true?

• A

• B

Answer explanation

Statement A is true because it aligns with the established facts or principles relevant to the question, while statement B does not. Therefore, A is the correct choice.

Which group of organisms is called autotrophs?

• A

• B

Answer explanation

Autotrophs are organisms that produce their own food through photosynthesis or chemosynthesis. They are essential for ecosystems as they form the base of the food chain. Therefore, the correct answer is A.

Which of the following is incorrect about tropical evergreen forests?

• Theyliesbetween15°Nand15°Sinboththehemispheres

• Itexperienceshotandhumidclimatethroughouttheyear

• Treesdonotshedtheirleavesinthisregion

• Alloftheabove

Answer explanation

All statements about tropical evergreen forests are correct: they lie between 15°N and 15°S, experience a hot and humid climate year-round, and trees do not shed their leaves, making 'All of the above' the correct choice.

Which one of the following features is called the lungs of the Earth?

• Tropical evergreen forest of Brazil

• Tropical deciduous forest of Central America

• Temperate evergreen forest of China

• Temperate deciduous forest of Chile and Argentina

Answer explanation

The tropical evergreen forest of Brazil, particularly the Amazon rainforest, is often referred to as the 'lungs of the Earth' because it produces a significant amount of oxygen and absorbs carbon dioxide.

Which of the following is a type of tropical grasslands?

• Savanna

• Pampas

• Steppe

• Down

Answer explanation

The correct answer is Savanna, which is a type of tropical grassland characterized by a mix of trees and grasses. Pampas and Steppe are temperate grasslands, while Down refers to a type of grassland found in specific regions.

Which of the following is an example of desert?

• Ladakh

• Sundarban

• Konkan

• Western Ghats

Answer explanation

Ladakh is a high-altitude desert located in northern India, characterized by its arid climate and sparse vegetation. In contrast, Sundarban, Konkan, and Western Ghats are known for their lush greenery and biodiversity.

Why do we find mushroom rocks in deserts?

• Winds erode the rocks from all sides

• There is no water in the desert to prevent rock erosion

• Winds erode the upper portion of the rock more than the lower portion

• Winds erode the lower portion of the rock more than the upper portion

Answer explanation

Mushroom rocks form in deserts because winds erode the rocks from all sides, creating a distinctive shape. This erosion process is uniform around the rock, leading to the characteristic mushroom appearance.

When a river forms a large bend by twisting and turning its path, it is termed as?

• waterfall

• floodplains

• meanders

• delta

Answer explanation

When a river twists and turns, forming large bends, these curves are called meanders. They are a natural part of a river's path, unlike waterfalls, floodplains, or deltas, which refer to different river features.

Vultures in the Indian sub-continents started dying of kidney failure shortly after scavenging livestock treated with?

• ibuprofen

• aldrin

• diclofenac

• aspirin

Answer explanation

Vultures in the Indian subcontinent experienced kidney failure after consuming livestock treated with diclofenac, a non-steroidal anti-inflammatory drug. This drug is toxic to vultures, leading to their decline.

The place, people, things and nature that surround any living organism are called?

• environment

• biotic resources

• lithosphere

• surrounding

Answer explanation

The correct answer is 'environment' as it encompasses all the surrounding elements, including living organisms (biotic) and non-living components (abiotic), that interact with any living organism.