Astronauts may use it for growing vegetables?
Correct answer: B. Hydroponic culture technique
- A. Tissue culture technique
- B. Hydroponic culture technique
- C. Biological control
- D. All of these
Explanation
Astronauts may use hydroponics for growing vegetables in space. Hydroponics is a method of cultivating plants without soil, using nutrient-rich water solutions instead. This technique is ideal for space missions because it saves space, reduces the need for soil transport, and allows precise control over nutrients and water. In the controlled environment of a spacecraft or space station, hydroponic systems provide the necessary conditions for plants to grow, such as proper light, humidity, and temperature. Growing vegetables through hydroponics not only helps supply fresh food for astronauts but also contributes to recycling carbon dioxide and producing oxygen, making it an important part of long-duration space exploration.
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