Advertisements
Advertisements
प्रश्न
Why is respiration essential for life?
उत्तर
Respiration is essential for life as energy produced during this process is utilized by the organisms to carry out various biological activities.
APPEARS IN
संबंधित प्रश्न
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Name the pores in a leaf through which respiratory exchange of gases takes place.
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
Fill in the Following Blank with Suitable Word.
_________ In the Lungs Provide a Very Large Surface Area for Gaseous Exchange.
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Define breathing. State the differences between breathing and respiration.
Name the energy currency in the living organisms. When and where is it produced?
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?
What happens to the glucose which enters the nephron tubule alongwith the filtrate?
In the lungs what substance is removed from the body?
Tick the most appropriate answer.
The products of respiration are :
A student has set up "CO2 is released during respiration”. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible resons for the failure of the experiment.
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
What is the normal percentage composition of gases in inspired and expired air respectively?
State one function of the following:
Intercostal muscles
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
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
Define respiration.
Respiration refers to ____________.
Identify the CORRECT sequence of events for the transport of respiratory gases.
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
Visit a local doctor. Learn about the harmful effects of smoking. You can also collect material on this topic from other sources. You can seek help of your teacher or parents. Find out the percentage of people of your area who smoke. If you have a smoker in your family, confront him with the material that you have collected.
