Advertisements
Advertisements
प्रश्न
Out of xylem and phloem, which one carries materials upwards as well as downwards?
उत्तर
Phloem carries materials both upwards as well as downwards.
APPEARS IN
संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
Where does the blood absorb oxygen in the human body?
What organs are attached to the two bronchi?
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
What is the function of the respiratory system?
"Respiration is a vital function of the body". Justify this statements.
Which of the following increases in muscle cells when they are lacking in oxygen?
Which of the following is known as the energy currency of the cells in biology?
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?
What is the name of tissues which transport:
water and minerals in a plant?
An animal in which the oxygenation of blood does not take place in the lungs is:
Answer the following in short.
Define respiration.
State one function of the following:
Mitochondria
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
With regard to the respiratory system and the process of respiration in man, answer the following question :
Give the overall chemical equation to represent the process of respiration in humans.
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
Visit a doctor. Find out about artificial respiration. Ask the doctor:
- When does a person need artificial respiration?
- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
