Selina solutions for Concise Biology [English] Class 9 ICSE chapter 7 - Respiration in Plants [Latest edition]

Glycolysis is a process ___________.

One same common function is performed by?

Anaerobic respiration normally occurs in

Do the plants respire all day and night or only during the night?

Name the following:

Energy currency of cell.

Name the following: 

Oxidative breakdown of carbohydrates to release energy.

Name the following: 

An organism which respires throughout life anaerobically.

Name the following: 

A common phase in both aerobic and anaerobic respiration.

Name the following:

Aerobic respiration requires_________ .

Name the following: 

A chemical which removes CO₂ from the air.

Mention if the following statement is true or false. If false, rewrite them correctly. 

Aerobic respiration of one mole of glucose yields 138 ATP.

Mention if the following statement is true or false. If false, rewrite them correctly. 

Anaerobic respiration in plants yields lactic acid.

Mention if the following statement is true or false. If false, rewrite them correctly.

Carbon dioxide readily dissolves in limewater. 

Mention if the following statement is true or false. If false, rewrite them correctly. 

All leaves of a green plant normally respire anaerobically at night.

What happens to the energy liberated during respiration?

Why is it usually difficult to demonstrate respiration in green plants?

Explain why respiration is said to be a reversal of photosynthesis?

How is tilling of the soil useful for the crops growing in it?

Write the full forms of ATP and ADP.

Can cell respiration occur in any organism at a temperature of about 65°C? Give reason.

Fill in the blank : 

_________ are the openings found on older stems. 

Fill in the blank :

Glycolysis occurs in the _______of the cells.

Fill in the blank: 

_____________ is a respiratory substrate

Fill in the blank: 

Rate of ____________ is more than the rate of ___________ in the daytime in the case of green plants.

Fill in the blank: 

 _____________ is a chemical which absorbs oxygen of the air.

Fill in the blank:

____________ is used to create vacuum to show anaerobic respiration.

What is respiration? How are respiration and burning similar and how are they different?

How are aerobic and anaerobic respiration different in plants? 

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.

How do the following structures help in respiration in plants?

Lenticels _____________

How do the following structures help in respiration in plants?

Stomata _____________

How do the following structures help in respiration in plants?

Root hairs ____________

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 + _______ + 38 ATP

(b) C₆H₁₂O₆ → ________ + 2 CO₂ + 2 ATP

(i) Fill in the blank in each reaction.

(ii) Name the process represented by the two reactions.

(iii) What are the conditions under which the two reactions (a) and (b) are occurring respectively?

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?

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

Why has the coloured water risen in tubing 1? 

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

What is the purpose of keeping boiled peas soaked in a disinfectant in test tube Y?

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

Name the biological process which causes the above rise.

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

Define the biological process shown in the experiment.

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.

What is the purpose of keeping a test-tube containing limewater in each flask?

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 is the purpose of the set-up F?

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 follows:  

Name the physiological process being studied.

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 follows: 

What is the function of soda lime in the bottle 'A' and why is limewater placed in bottle 'B'?

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:

What change would you expect to observe in bottle 'D'?

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:

Represent the physiological process named in question 4.1 in the form of a chemical equation.

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?

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?