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प्रश्न
Why is respiration essential for life?
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उत्तर
Respiration is essential for life as energy produced during this process is utilized by the organisms to carry out various biological activities.
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संबंधित प्रश्न
List the differences between aerobic and anaerobic respiration.
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
What is the name of the extensions of the epidermal cells of a root which help in respiration?
Define breathing. State the differences between breathing and respiration.
Describe the process of respiration in the following part of a plant:
Leaves
Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
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?
Answer the following in short.
Define respiration.
Choose the odd one out in each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
____________ is necessary for the respiration in plant.
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 ______.
How does aerobic respiration differ from anaerobic respiration?
Explain the three pathways of breakdown in living organisms.
Exchange of gases in the leaves takes place with the help of ______.
Observe the figure carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
