CBSE - X - Biology - Life Processes
what are the precautions which should be taken in the experiment to show that CO2 is produced during respiration? (a) apparatus should be tight and the of the delivery tube in the flask should not touch the germinating seeds (b) the other end of delivery tube should completely dip into lime water. (c) the germinating seeds should be kept moist and should not be let dry. (d) all of the above. which is correct???
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