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Free download in PDF Plant Tissues Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
61
Tissue taking part in transporting organic nutrients from source or storage region is
[A]
Phloem
[B]
Parenchyma
[C]
Vascular rays
[D]
Xylem
62
Sieve tubes are ideal for nutrient transport because they have
[A]
No end walls
[B]
Bordered pits
[C]
Narrow lumen rich in cytoplasm
[D]
Broad lumen with little peripheral cytoplasm
Answer: Broad lumen with little peripheral cytoplasm
63
Tracheary elements are
[A]
Suberised
[B]
Full of dense cytosol
[C]
Elongated with lignified walls
[D]
Small and numerous
Answer: Elongated with lignified walls
64
Long pointed sclerenchyma cells are
[A]
Fibres
[B]
Tracheae
[C]
Wood parenchyma
[D]
Sclereids
65
The function of vessels/xylem is to
[A]
Translocate water and minerals
[B]
Translocate organic food
[C]
Translocate water alone
[D]
Tanslocate water, minerals and provide mechanical strength
Answer: Tanslocate water, minerals and provide mechanical strength
66
The exarch condition is found in
[A]
Petiole
[B]
Leaves
[C]
Stem
[D]
Roots
67
When protoxylem is surrounded by metaxylem, it is
[A]
Mesarch condition
[B]
Endarch condition
[C]
Exarch condition
[D]
None of the above
Answer: Mesarch condition
68
Tracheary elements are
[A]
Vessels and tracheids
[B]
Sieve tubes and vessels
[C]
Sieve tubes, vessels and tracheids
[D]
Sieve tubes, sieve cells, vessels and tracheids
Answer: Vessels and tracheids
69
When protoxylem faces pith, condition is called
[A]
Exarch
[B]
Endarch
[C]
Mesarch
[D]
None of the above
70
When protoxylem faces pericycle, it is called
[A]
Endarch
[B]
Mesarch
[C]
Exarch
[D]
Polyarch
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