- 1(current)
Q. No.Read the following statements:
How many of the above statements are correct?
1. Three
2. Two
3. One
4. Four
| (i) | The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls. |
| (ii) | Pholem parenchyma is made of elongated non-tapering cylindrical cells which have scanty cytoplasm. |
| (iii) | Pholem fibres are made of parenchymatous cells. |
| (iv) | Companion cells help in maintaining the pressure gradient in the sieve tube. |
| (v) | The phloem parenchyma stores food material and other substances like resins, latex, and mucilage |
How many of the above statements are correct?
1. Three
2. Two
3. One
4. Four
Subtopic: Â Complex Tissue: Phloem |
 60%
Level 2: 60%+
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What is the number of correct statements amongst the following regarding the phloem tissue of plants?
| I: | Gymnosperms lack albuminous cells and sieve cells. |
| II: | The companion cells are specialized parenchymatous cells. |
| III: | Phloem parenchyma is absent in most of the monocotyledons. |
| IV: | Phloem fibers are generally absent in the primary phloem. |
1. 0
2. 2
3. 3
4. 4
Subtopic: Â Complex Tissue: Phloem |
 61%
Level 2: 60%+
Hints
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