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Earn 100

The members of the Kingdom Protista have which of the given features?
(a)Only free nucleic acid aggregates.
(b)Gene containing nucleoproteins condensed together in loose mass.
(c)Nucleoprotein in direct contact with the rest of the cell substance.
(d)Membrance-bound nucleoproteins lying embedded in the cytoplasm.

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Important Questions on Biological Classification
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Assertion (A): Euglenoids have a flexible body.
Reason (R): They have a protein rich layer called pellicle, which makes their body flexible.
Which of the following is true?

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The given statements describe a group of organisms. Which of the following group is referred here ?
(i) Instead of a cell wall they have a protein rich pellicle making their body flexible
(ii) They have flagella, a short and a long one
(iii) They show mixotroplic nutrition
(iv) They are connecting link between plants and animals

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slide Unicellular, two well-defined nuclei, ciliated, without a cell wall
slide Unicellular, chloroplast, one nucleus, biflagellated, with a cell wall
slide Unicellular, one nucleus, non-flagellate, with a cell wall
The organisms likely to be present on the slides and respectively, are

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List - I Organism |
List - II Number of Flagella |
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(a) | Trypanosoma | (i) | Many |
(b) | Euglena | (ii) | |
(c) | Giardia | (iii) | |
(d) | Trichonympha | (iv) |
The correct answer is

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Match the following
Type of Flagellum | Example | ||
A) | Stichonematic | I) | Cryptomonas |
B) | Pantonematic | II) | Astasia |
C) | Anematic | III) | Chlamydomonas |
D) | Acronematic | IV) | Monas |
V) | Urceolus |
The correct match is:

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Match the following related to sexual reproduction in protozoa ?
List I | List II | ||
(i) | Hologamy | (a) | Plasmodium |
(ii) | Amphimixis | (b) | Monocystis |
(iii) | Anisogamy | (c) | Trichonympha |
(iv) | Isogamy | (d) | Union of pronuclei of the gamets |

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