CSIR JRF NET Life Sciences December 2016 Original Solved Question Paper (Download PDF)

csir net december 2016 answer key

CSIR JRF NET DECEMBER – 2016 (II)
Life Sciences Solved Question Paper (PDF)

Original / Official Solved Question Paper of NTA CSIR JRF NET Life Sciences (Junior Research Fellowship / National Eligibility Test) Examination December 2016  with Answer Key. You can download this question paper as PDF file for the preparation of your examination. The answer key is prepared with the official answer key released by CSIR or NTA. Please inform the Admin if you find any mistake in the answer key. To download the question paper, please click on the Download Icon available in the upper right corner of the PDF preview. You can also save the file to your computer by ‘Right-Click’ anywhere on the PDF preview and selecting ‘Save-as‘ from the pop-up menu.

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Difference between Protophloem and Metaphloem: A Comparison Table

protophloem vs metaphloem

Protophloem vs Metaphloem
Similarities and Difference between Protophloem and Metaphloem

Vascular bundles (fascicles) are the component of the stelar system in higher plants and their main function is the conduction of water, minerals and food materials. Typically, a vascular bundle composed of xylem and phloem arranged together as bundles. In a young stem, both in dicots and monocots, Phloem, the food conducting tissue of vascular bundles, are differentiated into PROTOPHLOEM and METAPHLOEM based on the structural and functional modifications of their elements.

The present post describes the similarities and difference between Protophloem and Metaphloem in a primary vascular bundle of a young stem.

Similarities between Protophloem and Metaphloem

Ø  Both protophloem and metaphloem can conduct food materials.
Ø  Both are complex tissues, composed of many types of cells.
Ø  Both components contain living and dead cells.
Ø  Both are developed from the primary meristem, the pro-cambium.
Ø  Protophloem and metaphloem develop only in primary vascular bundles.

Difference between Protophloem and Metaphloem

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