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प्रश्न
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
विकल्प
True
False
उत्तर
False
During respiration, the plants take oxygen and release carbon dioxide.
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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.
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Define breathing. State the differences between breathing and respiration.
Explain how, the air we breathe in gets cleaned while passing through the nasal passage.
Why do the walls of trachea not collapse when there is less air in it?
Internal respiration may be defined as:
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
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
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?
With which human organ system (or human systems) is alveoli associated?
Answer the following in one word.
What is the muscular sheet below the lungs called?
Choose the odd one out in the following groups of four items each:
Trachea, Ciliated epithelium, Mucous, Diffusion
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
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 :
Give the overall chemical equation to represent the process of respiration in humans.
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
Why is respiration essential for life?
Yeast is used in wine and beer industries because it respires
