What are the precautions that should be taken in the experiment to show that CO, is produced during respiration ?
(A) Apparatus should be airtight and end of the delivery tube in the flask should not touch the germinating seeds.
(B) The other end of the delivery tube should dip into the water.
(C) The germinating seeds should be kept moist and should not be left dry.
(D) All the above.
CBSE Class X Science VSA (1 Mark)
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(D) All the precautions are correct.
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What are the precautions that should be taken in the experiment to show that CO, is produced during respiration ?
(A) Apparatus should be airtight and end of the delivery tube in the flask should not touch the germinating seeds.
(B) The other end of the delivery tube should dip into the water.
(C) The germinating seeds should be kept moist and should not be left dry.
✔✔✔✔(D) All the above.✔✔✔✔✔✔✔✔
CBSE Class X Science VSA (1 Mark)
(A) Apparatus should be airtight and end of the delivery tube in the flask should not touch the germinating seeds.
(B) The other end of the delivery tube should dip into the water.
(C) The germinating seeds should be kept moist and should not be left dry.
✔✔✔✔(D) All the above.✔✔✔✔✔✔✔✔
CBSE Class X Science VSA (1 Mark)
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