Respiration In Plants Question 131
Question: What is the value of RQ of castor seeds, if the imaginary values of Ganong’s respirometer are as follows (i) First rise of saline = 10 ml (ii) Second rise of saline after adding KOH = 30 ml
Options:
A) 0.33
B) 0.75
C) 0.85
D) 3.00
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{Vol.\ \text{of }C{O_2}}{Vol\text{.
of }O_2} $ $ =\frac{V_2\ cc}{V_1\ cc+V_2\ cc} $
$ \Rightarrow R.Q.\ =\ \frac{30\ cc}{10\ cc+30\ cc}=0.75 $