Aerobic Respiration
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Explain the process of the breakdown of glucose by various pathways.
Write the chemical reaction of aerobic and anaerobic respiration
How does glucose affect yeast respiration?
What is the difference between respiration in aquatic organisms and terrestrial organism .
What factors affect gas exchange in the lungs?
Name the type of respiration in which the end products are :
(a)C2H5OH and CO2
(b)CO2 and H2O
(c) Lactic acid
Give one example of each case where such a respiration can occur.
How do cells generate ATP in the absence of oxygen?
Rate of breathing in aquatic organisms is much faster than that in terrestrial organisms. Give reasons.
How does cellular respiration relate to everyday life?
During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?
Krebs’ cycle
Glycolysis
Electron transport chain
Conversion of pyruvic acid to acetyl CoA
State the similarity between aerobic and anaerobic respiration.
Food is broken down in both processes.
Both occur in absence of oxygen.
Both occur in presence of oxygen.
Both release the same amount of energy.
What are the disadvantages of anaerobic respiration?
In the bell jar experiment, which has a green plant to study the photosynthesis why is potassium hydroxide (KOH) kept?
To help in photosynthesis
To check photosynthesis
To produce CO2
To absorb CO2 present in air inside the bell jar.
During the respiration of an organism A, 1 molecule of glucose produces 2 ATP molecules whereas, in the respiration of another organism B, 1 molecule of glucose produces 38 ATP molecules.
(a) Which organism is undergoing aerobic respiration?
(b) Which organism is undergoing anaerobic respiration?
(c) Which type of organism, A or B, can convert glucose into alcohol?
(d) Name one organism which behaves like A.
(e) Name two organisms which behave like B.
One of the following organisms can live without oxygen of air. This organism is :
(a) Amoeba
(b) Yak
(c) Yeast
(d) Leech
Is Rhizobium aerobic or anaerobic?
What factors affect the rate of diffusion in the Lungs?
Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans
In absence of oxygen and in lack oxygen (in glucose breakdown pathway) how the energy produced is 2 ATP even though both have different oxygen level?
Name the two ways in which glucose is oxidised to provide energy in various organisms.
(a) What is meant by aquatic animals and terrestrial animals?
(b) From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Plant respiration is slower than animal respiration. Suggest one reason for it.
In which type of respiration, aerobic or anaerobic, more energy is released ?
Name the final product/products obtained in the anaerobic respiration, if it takes place :
(a) in a plant (like yeast).
(b) in an animal tissue (like muscles).
Question 8
Why do we get instant energy from glucose?
Do all cells use oxygen to produce energy?
A , B and C are three living organisms. The organism A is a unicellular fungus which can live without air. It is used in the commercial production of an organic compound P from molasses. The organism B is a unicellular animal which lives in water and feeds and moves by using pseudopodia. It breathes through an organelle Q. The organism C is a tiny animal which acts as a carrier of the malarial parasite. It breathes and respires through a kind of tiny holes R and air-tubes S in its body.
(a) What are organisms (i) A (ii) B, and (iii) C?
(b) Name (i) P (ii) Q (iii)R, and (iv) S.
(c) Which organism/organisms undergo aerobic respiration?
(d) Which organism/organisms undergo anaerobic respiration?
Yeast produces alcohol during aerobic respiration.
- True
- False
What metabolic pathway requires oxygen?
