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In Order to Study and Prove a Particular Physiological Process in Plants, the Following Experiment Was Set Up. Study the Same and Then Answer the Questions that Follow: - Biology

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प्रश्न

In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

If bottle 'C' was fitted with a 3-holed rubber stopper and a thermometer was introduced in such a way that its bulb reaches close to the germinating seeds, what would you observe? Why?

एका वाक्यात उत्तर
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उत्तर

By introducing a thermometer in bottle 'C', the change in temperature is checked or observed. If respiration takes place, there will be a rise in temperature and if there is no rise in temperature, no respiration occurs. Therefore, a three-holed rubber stopper and a thermometer were introduced.

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Experiments on Respiration in Plants
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Respiration in Plants - Structured/Application/Skill type [पृष्ठ ६४]

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सेलिना Concise Biology [English] Class 9 ICSE
पाठ 7 Respiration in Plants
Structured/Application/Skill type | Q 4.6 | पृष्ठ ६४

संबंधित प्रश्‍न

Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds produce heat.


Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds to give out carbon dioxide.


Describe one experiment each of you would perform to demonstrate the following phenomena: The germinating seeds can respire even in a total absence of air.


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

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


Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

In how many flasks, the different plant parts have been kept under observation?


Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

In which tube/tubes the limewater will turn milky?


Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.

What conclusion can you draw from this experiment?


In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:

In order to obtain accurate results, the bottle 'C' should be covered with black cloth. Why?


Given alongside is an experimental set up to demonstrate a phenomenon in a plant:

(a) What is the aim of this experiment?

(b) Why was the bell jar covered with a black cloth?

(c) What is the function of caustic soda in this experiment?

(d) Give an overall chemical equation of the process mentioned in (a) above.

(e) Mention one precaution that should be taken to ensure more accurate results. What change, if any, would you observe in the lime water in Flask A and B? In each case give a reason for your answer.


Name the following:

The chemicals generally used to absorb carbon dioxide in respiratory experiments.


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