Mechanical tissues and xylem are highly reduced in Hydrilla because:?

Forestry Environment Mcqs
BILAL KHATTAK0
A.Water provides the support and there is no problem for the absorption and conduction of water
B.Otherwise the weight of these tissues would drown the plant
C.Of the anaerobic conditions created by submergence
D.Otherwise translocation of food would have been interrupted
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Related Mcqs:

  1. Highly skilled manpower is needed for the maintendance of which of the following power plants?
  2. Blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to tissues due to one of the following reasons:
  3. Xylem and phloem are conducting tissues found in ……….??
  4. In case the concentration of oxygen in the tissues were almost as high as at the respiratory surface then:
  5. Sometimes sound and uninjured seeds may fail to germinate due to reduced activity of the seed or seed parts resulting in blockade of the growth. This may be due to:
  6. Gizzard in earthworm performs the function of:
  7. Intestine in human body is about 29 feet long because:
  8. Reduced supply of oxygen to tissues is termed:
  9. Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap?
  10. Seprophyes are those organisms which:

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