Advertisements
Advertisements
प्रश्न
State one function of the following:
Pleural fluid
उत्तर
It provides lubrication for free movement of the expanding and contracting lungs.
APPEARS IN
संबंधित प्रश्न
Trace the movement of oxygenated blood in the body.
Which of the following is the correct statement regarding bile?
The trachea divides into tow tubes at its lower end. What is the name of these tubes?
Where does the blood absorb oxygen in the human body?
Where in the lungs does gas exchange take place?
What organs are attached to the two bronchi?
In the lungs what substance is taken into the body?
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
Describe the process of respiration in the following part of a plant:
Root
Describe the process of respiration in the following part of a plant:
Leaves
Name the energy currency in the living organisms. When and where is it produced?
Draw a labelled diagram of the human respiratory system.
Which of the following increases in muscle cells when they are lacking in oxygen?
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
The two organisms which breath only through their moist skin are:
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
In the lungs what substance is removed from the body?
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
State one function of the following:
Diaphragm
Air that enters through the nose passes into this tube.
How much percent of C02 is transported in a dissolved form as carbonic acid?
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
The function of KOH is to absorb ______.
During respiration exchange of gases take place in
Breathing is a process that
- provides O2 to the body.
- breaks down food to release energy.
- helps the body to get rid of CO2.
- produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
