Question 59
AdaptationThe large intercellular air spaces which penetrate the tissues of most hyrophytes provide a pathway through which
- A.carbondioxide absorbed by leaves can diffuse to the roots
- B.oxygen produced in the leaves can diffuse to the submerged parts
- C.salts absorbed by roots can reach other parts of the plant
- D.plant hormones are transported to various parts
- E.manufactured food is translocated
Show the answer and explanation
Answer: B (oxygen produced in the leaves can diffuse to the submerged parts)
Explanation
Water holds little oxygen, so air spaces let oxygen from the leaves reach the submerged stems and roots.