BOTANY Higher Secondary Second Year - Textbooks Online

2. Oil plants
The oil obtained from dried endosperm of Cocos nucifera is called
cocoanut oil. It is used for cooking, for the preparation of vegetable fat
(ghee) and as hair oil. The oil obtained from fleshy mesocarp of Elaeis
guineansis is called palm oil. It is mainly used for the manufacture of
soap.
3. Toddy
A sugary solution obtained by cutting young peduncles of Cocos
nucifera, Borassus flabellifer and Phoenix sylvestris (Eechai) is used for
manufacturing jaggery. This sugary solution on fermentation yields the
beverage called ‘toddy’. This sap is also used for manufacturing a number
of commercially useful products such as palm sugar, alcohol and vinegar.
4. Timber plants
Dense stem wood of Borassus flabellifer and Cocos nucifera is used
as timber.
5. Ornamental plants
Adonidia merilli (Manila palm) and Caryota urens (wine palm).
Self evaluation
I . Choose and write the correct options.
1. Arecaceae is placed under the series
a. Unisexuales b. Polemoniales
c. Multiovulatae aquatica d. Calycinae
2. Arecaceae includes
a. 217 genera b. 482 genera
c. 500 genera d. 900 genera.
3. Borassus flabellifer is the binomial of
a. coconut tree b. wine palm
c. royal palm d. palmyra palm.
4. In Corypha umbraculifera, the spadix measures about
a. two metres b. five metres
c. eight metres d. ten metres.
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