Advertisements
Advertisements
प्रश्न
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
Advertisements
उत्तर
(a) Yeast shows anaerobic respiration
(b) Humans show aerobic respiration
(c) In humans beings, during high muscular activity, the respiration represented by equation (iii) occurs. It occurs in the muscle tissue.
(d) Equation (ii) represents aerobic respiration
(e) Equation (i) represents anaerobic respiration
(f) Aerobic respiration, i.e. the reaction represented by equation (ii), produces maximum amount of energy.
APPEARS IN
संबंधित प्रश्न
How are the alveoli designed to maximise the exchange of gases?
Name the pores in a leaf through which respiratory exchange of gases takes place.
What is the other name of wind-pipe?
During respiration, the plants take CO2 and release O2.
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
"Respiration is a vital function of the body". Justify this statements.
Which of the following is not produced during anaerobic respiration in unicellular fungus?
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
In cockroaches, air enters the body through:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Differentiate between
External respiration and Internal respiration
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Mitochondria and _____________.
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Pleura and _____________.
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
State one function of the following:
Diaphragm
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
Lack of oxygen in muscles often leads to cramps among cricketers. This results due to:
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
