Advertisements
Advertisements
प्रश्न
Name an animal which depends on simple diffusion of gases for breathing.
उत्तर
Amoeba depends on simple diffusion of gases for breathing.
APPEARS IN
संबंधित प्रश्न
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
How are the lungs designed in human beings to maximize the area for exchange of gases?
What would happen if all the green plants disappear from the earth?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
Define breathing. State the differences between breathing and respiration.
What is meant by aquatic animals and terrestrial animals?
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
How are oxygen and carbon dioxide exchanged in our body during respiration?
"Respiration is a vital function of the body". Justify this statements.
What type of repiration takes place in yeast?
Which of the following increases in muscle cells when they are lacking in oxygen?
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
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?
An organism X having breathing organs A lives on land. When organism X goes underwater, it cannot survive for a long time unless carrying an oxygen cylinder. On the other hand, the organism Y having breathing organs B always lives in water and if taken out of the water, it dies after a short while. A third organism Z having breathing organs C and D which lives on the banks of ponds, lakes, and rivers can survive on land as well as in water equally well.
(a) What could organism X be? Name the breathing organs A.
(b) What could organism Y be? Name the breathing organs B.
(c) What could organism Z be? Name the breathing organs C and D.
(d) Out of X, Y, and Z, which organism is (i) amphibian, (ii) aquatic, and (iii)
terrestrial?
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
Which of the following indicates the shift of oxyhaemoglobin dissociation curve due to change in ppC02 in blood?
What percent of oxygen is transported in a dissolved state by the plasma?
