Answer ALL
questions
PART A – (10×2=20
marks)
1.
Define environmental science.
2.
Define eco systems
3.
Write the functions of ecosystems
4.
Write some example of producer, Consumer
and decomposers in pond
5.
Draw the energy flow of grass land
ecosystems.
6.
What is mean by ecological succession
7.
Differciate between food chain and food
web
8.
Define ecological pyramids
9.
Define biodiversity.
10.
Define value of biodiversity.
PART B (5×13=65
marks)
11.
Write brief notes on Scope and
importance of environment, need for public awareness
12.
Describe the Introduction, types,
Charateristics features, structure and function of forest ecosystem.
13.
Briefly discuss about the Introduction,
types, Charateristics features, structure and function of Grassland and desert
ecosystem.
14.
Explain the Introduction, types,
Charateristics features, structure and function of Aquatic
ecosystem(Streams,lake, River, Ocean).
15.
Explain the different classification of
biodiversity and value of biodiversity.
PART C (1×15=15 marks)
16. Write
a detailed report about Field study of pond eco systems
0 Comments