The technique of growing plants under controlled conditions in a sterile medium is:
A. Hydroponics
B. Genetic engineering
C. Cloning
D. Tissue culture
Answer: Option D
Solution (By JKExamLibrary)
Tissue culture involves growing plant cells, tissues, or organs on a nutrient medium under aseptic conditions to produce clones or disease-free plants.
Explanation:
Cilia and flagella are motile structures with a 9+2 axoneme of microtubules. Their movement propels the cell or moves fluids. R explains the structural basis.
Explanation:
The pleural cavity between the visceral and parietal pleura contains a thin layer of pleural fluid, lubricating the surfaces to reduce friction during lung expansion and contraction. Synovial fluid is in joints, cerebrospinal fluid surrounds the CNS, lymph is in the lymphatic system. Pleural effusion is excess accumulation.
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