Biology
Name the following:
A chemical which removes CO2 from the air.
Plants Respiration
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Answer
Soda lime
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Related Questions
The following two chemical reactions are supposed to indicate a certain process occurring in the green plants under two different conditions:
(a) C6H12O6 + 6O2 → 6CO2 + …… + 38ATP
(b) C6H12O6 → …… + 2CO2 + 2ATP
- Fill in the blanks of each reaction
- Name the process represented by the two chemical equations
- What are the conditions under which the two reactions (a) and (b) are occurring?
Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.
(a) In how many flasks, the different plant parts have been kept under observation?
(b) What is the purpose of keeping a test-tube containing limewater in each flask?
(c) In which tube/tubes the limewater will turn milky?
(d) What is the purpose of the set-up F?
(e) What conclusion can you draw from this experiment?
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 tubing 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
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:
(a) Name the physiological process being studied.
(b) What is the function of soda lime in the bottle 'A' and why is limewater placed in bottle 'B'?
(c) What change would you expect to observe in bottle 'D'?
(d) Represent the physiological process named in (a) above in the form of a chemical equation.
(e) In order to obtain accurate results, the bottle ‘C’ should be covered with a piece of black cloth. Why?
(f) If bottle 'C' was fitted with a 3-holed rubber stopper and a thermometer were introduced in such a way that its bulb reaches close to the germinating seeds, what would you observe? Why?