The experimental set up shown here to demonstrate that ‘CO2 is given out during respiration’, did not yield expected results because (1) the flask was not air tight
(2) there was no KOH in test tube in the flask
(3) the delivery tube was dipped in water
(4) the germinating seeds were not immersed in water
Answers
Answered by
2
Answer:
option 4 is the correct answer
Answered by
0
Answer:
the option 4 is correct
Similar questions