English
Karnataka Board PUCPUC Science Class 11

Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?

Advertisements
Advertisements

Question

Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?

Options

  • Mitochondria synthesise ATP

  • Mitochondria have a double membrane

  • The enzymes of the Krebs cycle are found in mitochondria

  • Mitochondria are found in almost all plants and animal cells

MCQ
Advertisements

Solution

Mitochondria synthesise ATP

Explanation:

ATP is the energy currency.

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: Respiration in Plants - Exercises [Page 78]

APPEARS IN

NCERT Exemplar Biology Exemplar [English] Class 11
Chapter 14 Respiration in Plants
Exercises | Q 6. | Page 78

Video TutorialsVIEW ALL [2]

RELATED QUESTIONS

What are respiratory substrates?


Name the most common respiratory substrate.


What happens to the energy liberated during respiration?


Glycolysis is a process ___________.


One same common function is performed by?


Do the plants respire all day and all night or only at 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:

Aerobic respiration requires_________ .


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


Fill in the blank : 

_________ are the openings found on older stems. 


Fill in the blank :

Glycolysis occurs in the _______of the cells.


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 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:

Define the biological process shown in the experiment.


What do you understand by respiration?


Complete the following statement by choosing the correct alternative out of those given below.

Every living cell of the plant


Name the following:

The process of living beings which is concerned with the release of energy for use in the body.


The roots of a plant take up oxygen from the ______ trapped between the ______ particles.


Which gas present in the air is essential for aerobic respiration?


Explain the term “Energy Currency”. Which substance acts as energy currency in plants and animals?


When a substrate is being metabolized, why does not all the energy that released in one step. It is released in multiple steps.What is the advantage of step-wise release?


Respiration requires O2. How did the first cells on the earth manage to survive in an atmosphere that lacked O2?


It is known that red muscle fibres in animals can work for longer periods of time continuously. How is this possible?


RuBP carboxylase, PEP carboxylase, Pyruvate dehydrogenase, ATPase, cytochrome oxidase, Hexokinase, Lactate dehydrogenase.

Select/choose enzymes from the list above which are involved in

  1. Photosynthesis
  2. Respiration
  3. Both in photosynthesis and respiration

How does a tree trunk exchange gases with the environment although it lacks stomata?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×