Online Practice Work Sheet-1 for grade 10 students

1.    Name the five most common Turtles found in the Maldives.
2.    What is meant by over exploitation?
3.    Why we should reduce over exploitation of some species of organisms?
4.    Name any 10 endangered species (Maldives).
5.    What is meant by the word endemic?
6.    Expand EEZ.
7.    Write the meaning of the following words
a.    Target species
b.    By-catch
c.    Waste catch
8.    List the reasons why we should conserve the organisms.
9.    List the illegal activities which damage the ecosystem of the marine        organisms.
10.    Expand MSY.
11.    What is meant by the word BIAS?
12.    Write the importance of Random and Stratified Samplings.
13.    Write the importance of calculation age compositions.
14.    List the advantages of Tagging.
15.    Write the equation for Fecundity-Length Relationship.
16.    Write the formula for the Gonad Index.
17.    Name the stages of the life cycle of Crab or Lobster.
18.    Name the stages of the life cycle of Snail.
19.    Name the stages of the life cycle of Coral Polyp
20.    Name the stages of the life cycle of Algae.

Note: At the end of this page there is a place for reply. Please use this area to write the answers.

Best of Luck

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