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प्रश्न
Choose the correct alternative.
Movement of cytoplasm in unicellular organisms is called __________.
विकल्प
diffusion
cyclosis
circulation
thrombosis
उत्तर
Movement of cytoplasm in unicellular organisms is called cyclosis.
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संबंधित प्रश्न
Choose the correct alternative.
The muscular structure that separates the thoracic and abdominal cavity is _______.
Choose the correct alternative.
The maximum volume of gas that is inhaled during breathing in addition to T.V is _______.
Choose the correct alternative.
Which of the following is without a nucleus?
Opening of inferior vena cava is guarded by _______.
Match the Respiratory surface to the organism in which it is found.
| Respiratory surface | Organism |
| Plasma membrane | Insect |
| Lungs | Salamander |
| External gills | Bird |
| Internal gills | Amoeba |
| Trachea | Fish |
Very short answer question.
Why is respiration in insect called direct respiration?
Short answer question.
Identify the incorrect statement and correct it,
a. A respiratory surface area should have a large surface area.
b. A respiratory surface area should be kept dry.
c. A respiratory surface area should be thin, maybe 1mm or less.
Fill in the blanks with the help of chart.
| Organism | Habitat | Respiratory surface/ organ |
| Coelenterates | ||
| Spiders |
Which of the following features the respiratory surface should have for efficient gaseous exchange?
Through which of the following reptiles, birds, and mammals respire as an adaptation for terrestrial life?
