29 Questions
What is the primary source of energy that sustains life on Earth?
The flow of energy from the Sun
What is the term used to describe the various types of soil and rocks on the Earth's surface?
Lithosphere
Which of the following is NOT a function of the atmosphere?
Producing food for living organisms
What is the term used to describe the entire system of the Earth and its interconnected components?
Earth system
What is the highest altitude up to which the atmosphere is considered to extend?
1500 km
What is the role of dust particles in the atmosphere?
They create suitable conditions for precipitation
What is the role of carnivorous animals in adjoining agricultural lands?
To control insect pests
What is the basis used to divide the world's grasslands into two broad categories?
Climate
How tall can the grass grow in tropical grasslands?
3 to 4 metres
What type of animals are common in temperate grasslands?
Wild buffaloes, bison, and antelopes
Where are grasslands found in India?
In village grazing grounds, extensive low pastures, and Alpine Himalayas
What type of grasses are dominant in the Himalayan mountains?
Perennial grasses
What is the primary reason for the absence of trees in grasslands?
The rainfall is not sufficient to support tree growth.
What is the characteristic of the climate in areas where grasslands are found?
Hot and dry, warm and rainy seasons
What is the role of grasslands in ecological succession?
Intermediate stage of ecological succession
What is the common name for tropical grasslands?
Savannas
What is the main characteristic of the Savannas ecosystem?
Scattered medium-size trees in grasslands
What are the primary producers in a grassland ecosystem?
Grasses and a few herbs and shrubs
What type of ecosystems do lakes and ponds represent?
Lentic ecosystems
Which of the following species is typically found in lentic ecosystems?
Alligators
What is the primary difference between marine and freshwater habitats?
Salt concentration
What would happen to a marine species if placed in freshwater?
It would swell due to osmosis
Which of the following ecosystems covers the majority of the earth's surface area?
Marine ecosystems
What type of ecosystem is characterized by flowing water?
Lotic ecosystems
What type of exoskeleton do hermatypic corals form?
Hard calcium carbonate
What is the primary characteristic of soft reefs?
They are highly flexible
What is the main purpose of coral reefs in terms of water?
To aid in the purification of water
What is the name of the world's largest coral reef?
The Great Barrier Reef
What is one of the functions of aquatic ecosystems in terms of groundwater?
To recharge the groundwater table
Test your knowledge on the environment and formation of grasslands, including their occurrence in tropical and temperate regions, climate conditions, and ecological succession. Learn about the characteristics that define these ecosystems and their distribution across different altitudes and latitudes.
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