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Daphnia is...

Daphnia is

A

Clam

B

Water Flea

C

Annelid

D

Sponge

Text Solution

Verified by Experts

The correct Answer is:
B
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Explore conceptually related problems

Assertion (A) : Daphnia populations in a water body, at different seasons of an year showed market variations in their body morphology. Reason (R ) : Cyclomorphosis in some planktonic organisms is influenced by the variations in temperatures prevailing in their water bodies at different seasons.

BOD values of different samples of water are given. Sample A BOD = 5, Sample B BOD = 12 , Sample C BOD = 2, Sample D BOD = 7 Which of the above - given sample will have the least number of Daphnia ?

Knowledge Check

  • Cyclops differs from Daphnia in

    A
    Having green colouration
    B
    Absence of heart
    C
    Absence of carapace
    D
    All of above.

  • Daphnia resembles aphids in

    A
    Parasitic mode of living
    B
    Aquatic habitat
    C
    Presence of carapace
    D
    Parthenogenesis for a few generations.

  • BOD values of different samples of water are given :- Which of the above given sample will have least number of Daphnia ?

    A
    A
    B
    B
    C
    C
    D
    D
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