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Yeast is an important source of
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Important Questions on Biological Classification
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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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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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|
List - I Organism |
List - II Number of Flagella |
||
| (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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