Decomposition

IMPORTANT

Decomposition: Overview

This Topic covers sub-topics such as Decomposers, Decomposition, Detritus, Detritivores, Factors Affecting Decomposition, Leaching during Decomposition, Catabolism during Decomposition and, Fragmentation of Detritus during Decomposition

Important Questions on Decomposition

MEDIUM
IMPORTANT

Marshy areas often consist of hard outer coverings as detritus that are remains of organisms such as crabs. State TWO reasons why decomposition would be limited in such areas. 

HARD
IMPORTANT

Leaching of some nutrients that are hazardous in nature purifies ground water.

EASY
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The next step in decomposition after leaching is catabolism.

HARD
IMPORTANT

Detritus is an example of producers.

EASY
IMPORTANT

Humans feed on detritus.

EASY
IMPORTANT

Among biotic components, the micro consumers are called _____.

EASY
IMPORTANT

Name the process by which detritus is changed into dark-coloured amorphous substance called humus.(Humification/ Manure/ Fertilizer)

EASY
IMPORTANT

The causes of high extinction rates at present include habitat (particularly forests) loss and _____, over-exploitation, biological invasions and co-extinctions.

EASY
IMPORTANT

What is the ultimate source of energy for the ecosystems? (Plants/Sun/Carbohydrates)

HARD
IMPORTANT

Which type of stone was commonly used in Harappan bead-making?

HARD
IMPORTANT

What was the date of Mahatma Gandhi's assassination?

HARD
IMPORTANT

Where was Mahatma Gandhi when he was assassinated on January 30, 1948?

HARD
IMPORTANT

In what year did Mahatma Gandhi undertake his last fast unto death?

MEDIUM
IMPORTANT

Where was the resolution for the Quit India Movement passed?

HARD
IMPORTANT

Which event led to the immediate arrest of Mahatma Gandhi and other leaders during the Quit India Movement?

HARD
IMPORTANT

Who was the Viceroy of India when Mahatma Gandhi launched the Quit India Movement?

MEDIUM
IMPORTANT

Which vision did the sepoys and the rural society share during the revolt of 1857?

MEDIUM
IMPORTANT

Which Indian leader was proclaimed the Emperor of India during the Revolt of 1857?

EASY
IMPORTANT

What is the process of converting waste materials into new materials and objects called?

MEDIUM
IMPORTANT

Which of the following is NOT a type of urban waste?