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Biology
Phloem
What is the difference between primary and secondary phloem?
Biology
Phloem
Which of the following is not an element of phloem tissue?
1. Tracheids
2. Sieve tubes
3. Phloem fibers
4. Companion cells
Biology
Phloem
The phloem tissue in plants is responsible for the transport of?
A) Water
B) Water and minerals
C) Sugar
D) All of the above.
Biology
Phloem
Sieve tubes and companion cells are components of
Biology
Phloem
The dead cells of phloem are ___________
Biology
Phloem
Process of transport of food via the phloem. Enter 1 word only.
Biology
Phloem
The product of photosynthesis is transported from source of production to the storage organs through
A Palisade tissue
B Phloem tissue
C spongy tissue
D xylem tissue
Biology
Phloem
The dead cell component present in phloem is
(a) Phloem fibers
(b) Companion cells
(c) Phloem parenchyma
(d) Sieve tube
Biology
Phloem
Mature sieve tube elements are devoid of------
A. Nucleus
B. Cytoplasm
C. Protein
D. Mitochondria
Biology
Phloem
Explain the role of phloem in Plant transport. Use the words ‘source and sink’ in your answer.
Biology
Phloem
Phloem parenchyma is absent in
(a) Dicots
(b) Monocots
(c) Gymnosperms
(d) All of the above
Biology
Phloem
'Patua' of Hibiscus sabdariffa is 
(A) Secondary phloem
(B) Collenchymatous hypodermis
(C) Pericycle
(D) Epidermis
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