EASY
12th Tamil Nadu Board
IMPORTANT
Earn 100

Shape of pyramid in a particular ecosystem is always different in shape. Explain with example.

Important Questions on Ecosystem

MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 7 - Ecosystem>Evaluation>Q 22
Generally human activities are against to the ecosystem, whereas you a student how will you help to protect ecosystem?
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 7 - Ecosystem>Evaluation>Q 23
Generally in summer the forest are affected by natural fire. Over a period of time it recovers itself by the process of successions. Find out the types of succession and explain.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 7 - Ecosystem>Evaluation>Q 24
 Draw a pyramid from following details and explain in brief.
 Quantities of organisms are given-Hawks-50, plants-1000, rabbit and mouse-250 +250, pythons and lizard- 100 + 50 respectively.
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 7 - Ecosystem>Evaluation>Q 25
Various stages of succession are given bellow. From that rearrange them accordingly. Find out the type of succession and explain in detail.
Reed-swamp stage, phytoplankton stage, shrub stage, submerged plant stage, forest stage, submerged free-floating stage, marsh meadow stage