A potometer measures how factors such as light, temperature, humidity, light intensity and wind will affect the rate of transpiration. The main type of potometer is the 'bubble' potometer shown in Figure Figure 6.
Physicians recommended against the practice because they did not want medicines associated with punishment. A heavy dose of castor oil could be used as a humiliating punishment for adults, especially political dissenters. Colonial officials used it in the British Raj (India) to deal with recalcitrant servants. Belgian military officials prescribed heavy doses of castor oil in Belgian Congo as a punishment for being too sick to work.
About. Known for its plethora of benefits and uses, castor oil is a vegetable oil squeezed out from the seeds of castor plant, Ricinus communis, found in Africa and India. But use of castor oil is limited not only to India, it is used all over the world for its medicinal properties.As a home remedy, castor oil is used widely for a number of problems and ailments. To name a few, castor oil helps deal with problems related to hair, skin, joints and intestine.bout. Known for its plethora of benefits and uses, castor oil is a vegetable oil squeezed out from the seeds of castor plant, Ricinus communis, found in Africa and India. But use of castor oil is limited not only to India, it is used all over the world for its medicinal properties.