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In the five-kingdom classification, Chlamydomonas and Chlorella have been included in

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Important Questions on Biological Classification

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'Diatoms' the chief producers in the ocean belongs to group           
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The difference between holophytic nutrition and holozoic nutrition is:
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Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:
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The daughter paramecia formed immediately after binary fission are
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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 2 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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A student was given three unlabelled permanent slides. In an effort to identify these specimens, she places the slides under the microscope and marks the following features:
slide 1: Unicellular, two well-defined nuclei, ciliated, without a cell wall
slide 2: Unicellular, chloroplast, one nucleus, biflagellated, with a cell wall
slide 3: Unicellular, one nucleus, non-flagellate, with a cell wall
The organisms likely to be present on the slides 1,2 and 3 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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Match the following  
 

 List - I

Organism

 

  List - II

Number of Flagella

(a) Trypanosoma (i) Many
(b) Euglena (ii) 2
(c) Giardia (iii) 1
(d) Trichonympha (iv) 8

The correct answer is

HARD

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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In which of the animal dimorphic nucleus is found?
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Ciliates differ from all other protozoan's in
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Which of the following results from conjugation in Paramecium?
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In which group of organisms the cell walls form two thin lapping shells which fit together?