UNIT 1

Question 1

It is thin and outermost layer of the cell

Answer 1

Ectoplasm

Question 2

T/F

Ectoplasm appears more transparent, more granular and more homogenous

Answer 2

F, less granular

Question 3

T/F
Endoplasm is for protection and site of locomotory organelle

Answer 3

F, Ectoplasm

Question 4

Procurement of food for amoebas

Answer 4

Pseudopodia

Question 5

Procurement of food for Balantidium coli. “Cell mouth”

Answer 5

Cytostome

Question 6

Discharge of metabolic waste, “cell anus”.

Answer 6

Cytopyge

Question 7

It consists of moderately dense granular protoplasm.

Answer 7

ENDOSOME

Question 8

Enumerate the 4 organelles in endosome.

Answer 8

Mitochondria, Golgi apparatus, Microbodies, Endoplasmic Reticulum

Question 9

T/F
Endosome may also contain contractive vacuole, food reserves, and inclusion bodies

Answer 9

T

Question 10

T/F
Endosome only function for metabolism

Answer 10

F, metabolism, and synthesis and storage of food

Question 11

It acts as osmoregulators

Answer 11

Contractile Vacuole

Question 12

Collects excess water in their cytoplasm and pumps them out of the cell

Answer 12

Contractile Vacuole

Question 13

Enumerate the 2 organelles for food reserves

Answer 13

Glycogen vacuole and Chromatoidal bar

Question 14

T/F
Glycogen vacuole represents the main storage form of glucose

Answer 14

T

Question 15

T/F
Glycogen vacuole is a dense structure which are made up of crystalline RNA and RNA-binding proteins

Answer 15

F, Chromatoidal Bar

Question 16

Temporary extensions of the ectoplasm and are found in amoebas under the subphylum
Sarcodina.

Answer 16

Pseudopodia

Question 17

Long, slender, whiplike structures seen in
subphylum Mastigophora,

Answer 17

Flagella

Question 18

structurally similar to flagella but shorter and covering the entire surface of the body, are seen in phylum Ciliophora

Answer 18

Cillia

Question 19

In wet mount preparation, they are demonstrated by staining a brown color with iodine solution.

Answer 19

Glycogen vacuole

Question 20

T/F
Chromatoidal bar are seen in saline wet mount

Answer 20

T

Question 21

Contains the chromosomes that are essential for life, reproduction, and genetic composition of the organism.

Answer 21

Nucleus

Question 22

Enumerate the 2 types of nucleus

Answer 22

Vesicular nucleus and Compact nucleus

Question 23

It is found in most protozoa. It is characterized by an irregular distribution of chromatin materials that clear areas are apparent in the nucleoplasm.

Answer 23

Vesicular nucleus

Question 24

The chromatin granules may line the inner side of the nuclear membrane forming the _____, or form a ______ of fibrils radiating towards the periphery of the nucleus.

Answer 24

Peripheral chromatin, linin network

Question 25

Inside the nucleus is a single mass or aggregate of dense chromatin

Answer 25

Karyosome (AKA endosome)

Question 26

T/F Karyosome may be located centrally or eccentrically, and may be surrounded by chromatin particles that appear to be arranged in an achromatic network.

Answer 26

T

Question 27

It is found in a few protozoa only, primarily in ciliates.

Answer 27

Compact nucleus

Question 28

T/F In compact nucleus the chromatin granules are not dense so that there are no clear areas of nucleoplasm observed in light microscopy, although present.

Answer 28

F, dense