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प्रश्न
Internal respiration may be defined as:
विकल्प
Breathing in and releasing of oxygen in the tissue
The oxidation of food substances to release energy
The building up (synthesis) of complex substances
Getting rid of carbon dixode that would accumulate in the tissues.
उत्तर
The oxidation of food substances to release energy
Internal respiration may be defined as the oxidation of food substances to release energy.
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संबंधित प्रश्न
What are the different ways in which glucose is oxidized to provide energy in various organisms?
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
In the lungs what substance is taken into the body?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Why do the walls of trachea not collapse when there is less air in it?
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 |
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?
What is the name of tissues which transport:
water and minerals in a plant?
Answer the following in short.
Define respiration.
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Mitochondria and _____________.
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.
Answer the following question.
In the experimental set up to show that "CO2 is given out during respiration", name the substance taken in the small test tube kept in the conical flask. State its function and the consequence of its use.
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Air that enters through the nose passes into this tube.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
How much percent of C02 is transported in a dissolved form as carbonic acid?
Name the energy currency in the living organisms. When and where is it produced?
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?
The oxygen dissociation curve is a sigmoid curve and it shifts towards the right due to ______.
