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प्रश्न
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
पर्याय
Oxygen
Hydrogen
Carbon dioxide
Nitrogen
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उत्तर
During respiration, Carbon dioxide gas is given out.
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संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
What would happen if all the green plants disappear from the earth?
Where does the blood absorb oxygen in the human body?
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Describe the process of respiration in fish.
Describe the process of respiration in the following part of a plant:
Leaves
Why do fishes die when taken out of water?
Draw a labelled diagram of the human respiratory system.
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
State one function of the following:
Pleural fluid
How is the respiratory passage kept free of dust particles?
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
List the organs of Human respiratory system.
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 ______.
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?
Exchange of gases in the leaves takes place with the help of ______.
