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प्रश्न
Fill in the following blank with suitable word:
The actual exchange of gases takes place in the ___________ of the lungs.
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उत्तर
The actual exchange of gases takes place in the alveoli of the lungs.
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संबंधित प्रश्न
What would be the consequences of a deficiency of haemoglobin in our bodies?
Name one substance which is produced in anaerobic respiration by an organism but not in aerobic respiration.
In the lungs what substance is taken into the body?
Fill in the Following Blank with Suitable Word.
_________ In the Lungs Provide a Very Large Surface Area for Gaseous Exchange.
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
Describe the process of respiration in fish.
Why do fishes die when taken out of water?
Which of the following is correct for the process of anaerobic respiration?
| Carbon dioxide always produced | A lot of energy released | |
| (a) | No | Yes |
| (b) | No | No |
| (c) | Yes | No |
| (d) | Yes | Yes |
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
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:
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?
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
State one function of the following:
Mitochondria
Why is respiration essential for life?
Which of the following equations is the summary of photosynthesis?
