- 1(current)
Q. No.Phloem in angiosperms is composed of all the following except:
1. Sieve cells
2. Companion cells
3. Phloem parenchyma
4. Phloem fibers
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe nucleus of companion cells controls the functions of:
1. Sieve cells
2. Sieve tubes
3. Albuminous cells
4. Phloem parenchyma
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhloem fibers [bast fibers] are:
| 1. | made up of collenchyma and generally not seen in primary phloem |
| 2. | made up of collenchyma and generally not seen in secondary phloem |
| 3. | made up of sclerenchyma and generally not seen in primary phloem |
| 4. | made up of sclerenchyma and generally not seen in secondary phloem |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following components of the phloem tissue in angiosperms loses protoplasm and becomes dead at maturity?
| 1. Sieve tube elements | 2. Companion cells |
| 3. Phloem parenchyma | 4. Phloem fibers |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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