characteristics of protists

Question 1

A colony is a loose association of
independent cells

Answer 1

Volvox

Question 2

– A hollow sphere
– Thousands of cells arranged in a
single layer surrounding a watery
interior

Answer 2

Volvox

Question 3

in volvox aureus Each cell of colony resembles a

Answer 3

Chlamydomonas cell

Question 4

(formerly Bacillariophyta)

Answer 4

Diatoms

Question 5

Diatoms are formerly called

Answer 5

Bacillariophyta

Question 6

are the most numerous unicellular
algae in the oceans

Answer 6

Diatoms

Question 7

Significant portion of
phytoplankton

Answer 7

Diatoms

Question 8

its cell walls contains silica

Answer 8

Diatoms

Question 9

3 ways Diatomaceous earth used as

Answer 9

– Filtering agents
– Sound-proofing materials
– Polishing abrasives

Question 10

Small freshwater unicellular
organisms

Answer 10

Euglena

Question 11

is characterized as mixotroph
have two flagella and an eyespot

Answer 11

Euglena

Question 12

how many flagella does euglena have

Answer 12

2 flagella

Question 13

a protist that produces paramylon

Answer 13

euglena

Question 14

what produces
an unusual type of carbohydrate
called paramylon

Answer 14

pyrenoid

Question 15

Most common flagellate in human digestive tract

Answer 15

Giardia lamblia

Question 16

Causes severe diarrhea

Answer 16

Giardia lamblia

Question 17

Cysts are transmitted in contaminated water

Answer 17

Giardia lamblia

Question 18

Beavers are important reservoir hosts

Answer 18

Giardia lamblia

Question 19

Sexually transmitted protist

Answer 19

Trichomonas vaginalis

Question 20

Infects urogenital organs; a common cause of vaginitis

Question 21

is a very common digestive tract parasite

Answer 21

Giardia lamblia

Question 22

it’s a unicellular
protozoan parasite.

Answer 22

Giardia lamblia

Question 23

It lives in the intestinal tracts of
canines and felines, and can actually impact humans
too and trigger gastrointestinal upset, vomiting and
diarrhea and affect growth in canines.

Answer 23

Giardia lamblia

Question 24

The infection this
parasite triggers is called Giardiasis.

Answer 24

Giardia lamblia

Question 25

The infection this Giardia lamblia triggers is called

Answer 25

Giardiasis

Question 26

are called hydrogenosomes because they produce hydrogen gas as a byproduct.

Answer 26

Parabasalids

Question 27

a parabasalid that causes a sexually transmitted disease in humans, employs these mechanisms to transit through the male and female urogenital tracts.

Answer 27

Trichomonas vaginalis

Question 28

includes parasites, heterotrophs, autotrophs, and mixotrophs, ranging in size from 10 to 500 μm.

Answer 28

Euglenozoans

Question 29

move through their aquatic habitats using two long flagella that guide them toward light

Answer 29

Euglenoids/Euglena

Question 30

encompasses some mixotrophic species that display a photosynthetic capability only when light is present.

Answer 30

Euglena

Question 31

shrink up and temporarily cease functioning when in dark

Answer 31

euglena

Question 32

is common in central Africa and is the causative agent of African sleeping sickness

Answer 32

Trypanosoma brucei

Question 34

a disease associated with severe chronic fatigue, coma, and can be fatal if left untreated.

Answer 34

African sleeping sickness

Question 35

is believed to have resulted from a secondary endosymbiotic event

Answer 35

chromalveolates

Question 36

include very important photosynthetic organisms, such as diatoms, brown algae, and significant disease agents in animals and plants.

Answer 36

Chromalveolates

Question 37

are derived from a common ancestor that engulfed a photosynthetic red algal cell, which itself had already evolved chloroplasts from an endosymbiotic relationship with a photosynthetic prokaryote.

Answer 37

chromalveolates

Question 38

considered as the main causative organism of Paralytic Shellfish Poisoning (PSP) in the Philippines

Answer 38

Pyrodinium bahamense var. compressum

Question 39

are unicellular photosynthetic protists that encase themselves in intricately patterned, glassy cell walls composed of silicon dioxide

Answer 39

diatoms

Question 40

These protists are a component of freshwater and marine plankton.

Answer 40

diatoms

Question 41

all apicomplexans are

Answer 41

parasitic

Question 42

all ------ are parasitic

Answer 42

Apicomplexians

Question 43

which causes malaria in humans.

Answer 43

Plasmodium

Question 43

must colonize both a mosquito and a vertebrate to complete their life cycle.

Answer 43

Plasmodium

Question 43

where do Plasmodium develop in humans

Answer 43

liver cells

Question 43

what type of cells do Plasmodium infect

Answer 43

red blood cells

Question 44

it accounts for 50 percent of all malaria cases and is the primary cause of disease-related fatalities in tropical reggions of the world

Answer 44

Plasmodium falciparum

Question 45

what is the locomotion of Paramecium

Answer 45

Cilia

Question 46

are unicellular heterotrophic protists, ranging from approximately 20 micrometers to several centimeters in length

Answer 46

Foraminiferans, or forams

Question 47

occasionally resembling tiny snails

Answer 47

Foraminiferans or forams

Question 48

exhibit intricate exteriors of glassy silica with radial or bilateral symmetry.

Answer 48

radiolarians

Question 49

has Needle- like pseudopods supported by microtubules radiate outward from the cell bodies of these protists and function to catch food particles.

Answer 49

Radiolarians

Question 50

most abundant group of algae

Answer 50

green algae

Question 51

exhibit similar features to the land plants, particularly in terms of chloroplast structure

Answer 51

green algae

Question 52

are the closest living relatives to land plants and resemble them in morphology and reproductive strategies

Answer 52

charophytes

Question 53

Volvox aureus is a green alga in the supergroup

Answer 53

Archaeplastida

Question 54

is a green alga in the supergroup Archaeplastida

Answer 54

Volvox aureus

Question 55

consists of cells immersed in a gel-like matrix and intertwined with each other via hair-like cytoplasmic extensions

Answer 55

Volvox aureus

Question 56

are represented among the chlorophytes.

Answer 56

Ulva

Question 57

exhibit pseudopodia that extend like tubes or flat lobes

Answer 57

amoebozoans