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The experimental set up shown here to de...

The experimental set up shown here to demonstrate thet '`CO_(2)` is given out during respiration',did not yield expected results because:

A

the flask was not air tight

B

there was no KOH in a test tube in the flask

C

the delivery tube was dipped in water

D

the germinating seeds were not immersed in water

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The correct Answer is:
B
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An experimental set-up is given here to demonstrate that CO_(2) is given out during respiration. Four students made the following observations marked as I, II, III and IV. I. Level of water remained the same in both the beaker and the delivery tube II. Level of water increased in the delivery tube III. Level of water reduced in both the beaker and the delivery tube IV. Water ascends into the delivery tube and back flows into the beaker. Which one of the above is the correct observation?

The given experimental set-up demonstrates

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LAKHMIR SINGH & MANJIT KAUR-MCQ SECTION-Exercise
  1. Why is some KOH placed in a small test tube in the flask with germina...

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  2. Which one of the following is the correct set of three precautions for...

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  3. The experimental set up shown here to demonstrate thet 'CO(2) is given...

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  4. The following experimental set-ups were kept in the laboratory to show...

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  5. In the experiment to show that CO(2) is given out during respiration b...

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  6. The most appropriate reason for taking germinating seeds in the experi...

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  7. Before setting up an experiment to show that seeds release carbon diox...

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  8. Which of the following precautions are to be taken for a successful ru...

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  9. The chemical required in the experiment to show that carbon dioxide ga...

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  10. In the experiment to demonstrate that CO(2) is given out during respir...

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  11. The experimental set up shown here to demonstrate thet 'CO(2) is given...

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  12. In the experiment to show that carbon dioxide is given out during resp...

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  13. An experimental set-up is given here to demonstrate that CO(2) is give...

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  14. The given slides A and B were identified by four students, I, II, III ...

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  15. The correct diagram showing an Amoeba undergoing binary fission is :

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  16. The figure given here shows:

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  17. Four stages of binary fission in Amoeba are shown below. The stage at ...

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  18. In the slide showing binary fission in Amoeba and budding in yeast,the...

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  19. In the figure of budding in yeast given here, the structures A, B, C ...

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  20. The diagram given alongside illustrates:

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