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प्रश्न
Choose the correct alternative.
Which of the following is without a nucleus?
पर्याय
Red blood corpuscle
Neutrophil
Basophil
Lymphocyte
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उत्तर
Red blood corpuscle
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संबंधित प्रश्न
Choose the correct alternative.
________ is a sound-producing organ.
Choose the correct alternative.
Movement of cytoplasm in unicellular organisms is called __________.
Choose the correct alternative.
Which of the following animals do not have closed circulation?
Choose the correct alternative.
Cockroach shows which kind of circulatory system?
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 |
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.
The movement of diaphragm, intercostal muscles and rib cage helps in ______.
Which of the following features the respiratory surface should have for efficient gaseous exchange?
Which of the following respiratory organ is used by aquatic arthropods for respiration?
Through which of the following reptiles, birds, and mammals respire as an adaptation for terrestrial life?
