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Earn 100

Which statement is/are wrong with respect to kingdom protista.
(i) All single celled eukaryotes are placed under protista
(ii) The boundaries of this kingdom are not well defined.
(iii) Chrysophytes, dinoflagellates, Euglenoids, slimemoulds and protozoans are included under protista.
(iv) All protista are eukaryotic, achlorophyllous, heterotrophic, nonvascular organism.

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Important Questions on Biological Classification

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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 43

Match Column I with Column II

  Column I   Column II
(i) Chrysophyta (a) Absence of cell wall
(ii) Dinoflagellates (b) Golden algae
(iii) Euglenoids (c) Gonyaulax
(iv) Slime moulds (d) Saprophytic protists
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 44
Slime moulds are _______(i)_________ protists. The body moves along decaying twigs and leaves engulfing organic material under suitable conditions, they form an aggregation called_____________(ii)___________ which may grow and spread over several feet.
In above question (i) & (ii) are respectively.
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 45
Majority of Euglenoids are Fresh water organisms found in stagnant water. Instead of cell wall, they have a protein-rich layer called__(a)___which makes their body flexible. They have__(b)___ flagella; (a) and (b) are respectively.
 
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 46
Contractile vacuoles in protozoans primarily serve the function of ?
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 47
Pseudopodia are commonly formed in?
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 48
Which class of Protozoa includes all parasitic forms?
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 49
Locomotory organs are absent in
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Alpha Question Bank for Medical: Biology>Chapter 2 - Biological Classification>Exercise-3>Q 50
While doing some experiment with Amoeba proteus in a culture medium, it was found that the contractile vacuole of the protozoan disappeared although the other organelles showed normal activity. The probable reason for this is: