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Standard X

Biology

Blood Vessels

The following...

Question

The following diagram refers to an apparatus which is used to demonstrate a physiological process:
(c) What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?

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Solution

Boiling the peas causes the cells to die and it will not undergo cellular respiration and using the disinfectant prevents microbial growth in test tube Y.

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The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both Test-tubes are kept in sunlight. Answer the questions that follow :

(a) Name the physiological process that releases the bubbles of oxygen.

(b) Explain the physiological process as mentioned above in Q.2(a) (i).

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(f) Write the overall chemical equation for the above process.

The figure given below represents an experimental set up with a weighing machine to demonstrate a particular process in plants. The experimental set up was placed in bright sunlight. Study the diagram and answer the following questions :

(a) Name the process intended for study.

(b) Define the above mentioned process.

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The following diagram refers to an apparatus which is used to demonstrate a physiological process :

(a) What is the purpose of keeping potassium hydroxide solution in the test tubes X and Y ?

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(d) Name the biological process which causes the above rise.

(e) Define the biological process shown in the experiment.

Q. STRUCTURED/APPLICATION/SKILL TYPE
The following diagram refers to an apparatus which is used to demonstrate a physiological process :
(a) What is the purpose of keeping potassium hydroxide solution in the test tubes X and Y?
(b) Why has the coloured water risen in tube 1?
(c) What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?
(d) Name the biological process which causes the above rise.
(e) Define the biological process shown in the experiment.

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Blood Vessels

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The following diagram refers to an apparatus which is used to demonstrate a physiological process:​ (c) What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?

​Boiling the peas causes the cells to die and it will not undergo cellular respiration and using the disinfectant prevents microbial growth in test tube Y.

The following diagram refers to an apparatus which is used to demonstrate a physiological process:
(c) What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?

Boiling the peas causes the cells to die and it will not undergo cellular respiration and using the disinfectant prevents microbial growth in test tube Y.