Eukaryotic Protist

Question 1

state the general xtics of Protists

Answer 1

*unicellular eukaryotic organism. *lack cellulose wall. *are generally colourless. *usually found in freshwater habitat. *usually feed by phagocytosis/pinocytosis

Question 2

what are the major divisions of Protists

Answer 2

Sarcodina, Mastigophora, Apicomplexa, Ciliophora

Question 3

What are the major divisions of Phylum sarcodina??

Answer 3

Rhizopoda, Actinopoda, and Foraminifera

Question 4

which parasitic amoeba is responsible for amoeba I’d dysentery ???

Answer 4

Entamoeba Histolytica: by ulceration of the intestinal tract causing diarrhoea condition

Question 5

which phylum of Sarcodina lacks meiosis, flagella, and cell wall

Answer 5

Rhizopoda

Question 6

what is the component of the tests of foraminifera??

Answer 6

made up of calcium carbonate and sand

Question 7

explain the essence of cytoplasmic extensions/projections from forams??

Answer 7

Such extensions are called PODIA, and that are used for swimming, feeding, gathering materials for the shell…

Question 8

another name for phylum actinopoda???

Answer 8

Radiolarians

Question 9

which forms of sarcodina are exclusively marine organisms ??

Answer 9

Forms and Radiolarians

Question 10

name some genre of Phylum mastigophora

Answer 10

Trypanosoma, Cnthidia, Codosiga, Trichonympha, garida

Question 11

an example of a species of trypanosoma that causes trypanosomiasis ??

Answer 11

Trypanosoma gambiese

Question 12

describe the inhibition characteristic of the Trypanosome gamibiense(how is moves within the human body)?

Answer 12

It grows and lives in the blood…then invades the central nervous system (CNS), causing inflammation of the brain and spinal cord, hence neurological symptoms and effects.

Question 13

what is the causative vector of trypanosomiasis???

Answer 13

Tsetse fly (Glossina. sp)

Question 14

how are ciliophoras mobile??

Answer 14

means of cilia anchored to microtubules beneath the cell membrane

Question 15

diffrenctiat between the two kinds of nuclei of ciliophora??

Answer 15

Micronucleus: For sexual reproduction. Micronucleus : for production of mRNA, for cell growth and functions

Question 16

what projection, attached onto the surface of paramecium, aids in defences

Answer 16

Tricocytes

Question 17

examples of phylum ciliophora??

Answer 17

Paramecium and Balantidium

Question 18

Another name for Apicomplexa ???

Answer 18

Sporozoans (That do not form spores as the name implies, however, they produce sporozoites which are look-alike of spores ,involved in the transmission to a NEW HOST.)

Question 19

The most important members of the sporozoans are;

Answer 19

Coccidan(usually parasites of birds) and Plasmodium (malaria parasites)….