Question

Which type of phloem is composed of narrow sieve tubes and is referred to as protophloem?

A Primary phloem Correct Answer Incorrect Answer
B Secondary phloem Correct Answer Incorrect Answer
C Tertiary phloem Correct Answer Incorrect Answer
D Collateral phloem Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

The first formed primary phloem consists of narrow sieve tubes and is referred to as protophloem.

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