NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If the system exchanges neither matter nor energy with its surroundings, it is said to be
A
Closed
B
Open
C
Isolated
D
None
Explanation: 

Detailed explanation-1: -A system which can neither exchange matter nor energy with the surroundings called as isolated system . Since the boundary is sealed and isolated, there is no interaction between system and surrounding.

Detailed explanation-2: -Isolated: this is a system in which no matter or energy is being exchanged with the surroundings. Closed: this is a system in which only energy is being exchanged with the surroundings. Open: this is a system in which both matter and energy is being exchanged with the surroundings.

Detailed explanation-3: -A closed system does not allow matter to enter or leave, but does allow energy to enter or leave. A covered pot on the stove is approximately a closed system. An isolated system does not allow either matter or energy to enter or leave. A thermos or cooler is approximately an isolated system.

There is 1 question to complete.