Rubber, Gutta, Percha

Question 1

Occurs in the form of microscopic particles suspended in a liquid serum

Answer 1

Rubber, Gutta percha

Question 2

t/f: the milky character of latex depends on the presence of a refractive index greatly different from that of the dispersion medium

Answer 2

true

Question 3

contained in specialized latex cells or vessels

Answer 3

latex

Question 4

families with rubber formation

Answer 4

MORA, EUPHORBI, APOCYANA, ASCLEP, ASTERA

Question 5

present in the latex of the Papaveraceae

Answer 5

alkaloids

Question 6

proteolytic enzyme found in the latex of Carica

Answer 6

papain

Question 7

Malaysia rubber commercial use

Answer 7

Hevea brasiliensis (Euphorbiaceae)

Question 8

Philippine rubber commercial use

Answer 8

Indian Rubber tree (Ficus elastica)

Question 9

polyterpene which consists of linear chains of about 1500 to 60,000 C5-isoprenoid units linked by cis double bonds

Answer 9

rubber (ficus)

Question 10

t/f: rubber cannot be vulcanized

Answer 10

false. CAN BE vulcanized

Question 11

Purified, coagulated latex obtained from trees of the genera Palaquium and Payena (Sapotaceae)

Answer 11

Gutta percha

Question 12

Sapotaceae gutta percha

Answer 12

Chico and Star Apple

Question 13

t/f: gutta percha becomes plastic when heated to about 45-60°C, and has fewer units than rubber

Answer 13

true. thus, it cannot be vulcanized

Question 14

Used in the form of chloroformic solution as a means of applying drugs to the skin, & covering moist dressing

Answer 14

gutta-percha tissue

Question 15

used in dentistry and root canal treatment

Answer 15

gutta percha

Question 16

was the base used for original chewing gum (basis for chiclet chewing gum)

Answer 16

chicle

Question 17

Manilkara zapota (Sapotaceae)

Answer 17

sapodilla plum

Question 18

dried latex obtained from Mimusops balata (Sapotaceae)

Answer 18

Balata

Question 19

t/f: indian rubber has potential for worms and dermatitis

Answer 19

true

Question 19

possesses the general properties of chicle & is employed in the manufacture of bubble gum

Answer 19

balata

Question 20

Scientific name: Ficus elastica
Family: Moraceae

Answer 20

Indian Rubber

Question 21

Indian rubber constituents

Answer 21

Caoutchouc, cerotic acid

Question 22

chico constituent

Answer 22

saponin

Question 22

t/f: Rubber or Gutta Percha is from the + of n molecules of isopentyl pyrophosphate (IPPP)

Answer 22

true

Question 23

Achras zapota/ Manilkara zapota

Answer 23

Chico / Sapodilla

Question 24

chico use

Answer 24

Use: For diarrhea, fever