AP BIOLOGY

ANIMAL PHYSIOLOGY

EXCRETION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
From which plant rubber is made
A
Hevea braziliensisHevea braziliensis
B
Jatropa
C
Acacia arabica Acacia arabica
D
Ajadirakta indicaAjadirakta indica
Explanation: 

Detailed explanation-1: -Nowadays, 99% of the natural rubber we use is extracted from a tree called Hevea brasiliensis.

Detailed explanation-2: -Hevea brasiliensis is the highest latex-bearing plant cultivated as the primary source of natural rubber. Harvesting of the rubber-containing latex is done by excising a thin shaving of bark on the trunk with special tapping knives.

Detailed explanation-3: -rubber tree, (Hevea brasiliensis), South American tropical tree of the spurge family (Euphorbiaceae). Cultivated on plantations in the tropics and subtropics, especially in Southeast Asia and western Africa, it replaced the rubber plant in the early 20th century as the chief source of natural rubber.

Detailed explanation-4: -Hevea brasiliensis is native to the Amazon region; Brazil, Venezuela, Ecuador, Colombia, Peru, and Bolivia.

There is 1 question to complete.