Question No:1
In stem
[A] protoxylem lies towards pith (centre)
[B] metaxylem lies towards periphery of the organs
[C] endarch arrangement present
[D] all
Question No:2
In root
[A] endarch arrangement is present
[B] exarch arrangement is present
[C] protoxylem lies towards the centre
[D] metaxylem lies towards the periphery
Question No:3
Phloem transports
[A] water
[B] mineral
[C] food materials
[D] all
Question No:4
How many elements are composed in phloem in angiosperm?
[A] 1
[B] 2
[C] 3
[D] 4
Question No:5
Phloem is composed of all except
[A] sieve tube elements
[B] companion cells
[C] phloem parenchyma and sclerenchyma
[D] vessels
Question No:6
Gymnosperm posses
[A] sieve tubes
[B] companion cells
[C] albuminous cell and sieve cells
[D] all
Question No:7
Select the incorrect statement from the following:
[A] End walls of sieve tube have sieve plates
[B] Sieve tube and companion cell are connected by pit present between common longitudinal wall
[C] Companion cells are specialized parenchymatous cells having nucleus which control function of sieve tubes
[D] Phloem parenchyma is present in most of monocots
Question No:8
Following are live components of phloem except
[A] sieve rube
[B] companion cell
[C] phloem parenchyma
[D] phloem fibre (bast fibre)
Question No:9
Following are dead components of xylem except
[A] tracheids
[B] vessels
[C] xylem sclerenchyma (wood fibres)
[D] xylem parenchyma
Question No:10
Select the correct statement from the following:
[A] Companion cells help in maintaining pressure gradients in the sieve tubes
[B] Phloem parenchyma stores food material
[C] Bast fibres are generally absent in the primary phloem but are found in secondary phloem
[D] All
Question No:11
Following are the features of phloem fibres except
[A] pointed apices
[B] more elongated
[C] branched
[D] unbranched
Question No:12
Phloem fibre, which is commercially used, is actually
[A] jute
[B] flax
[C] hemp
[D] all
Question No:13
Select the incorrect matching:
[A] Protophloem — Narrow sieve tubes
[B] Metaphloem — Bigger sieve tubes
[C] Gymnosperm — Albuminous cells and sieve cells
[D] Gymnosperm – Vessels in xylem
Question No:14
A mature sieve tube differs from vessel in
[A] being nearly dead
[B] lacking cytoplasm
[C] lacking a functional nucleus
[D] absence of lignified walls
Question No:15
In pteridophyta and gymnosperms, which cells are present in place of companion cell?
[A] Sclereids
[B] Albuminous cells
[C] Idioblasts
[D] None of the above
Anatomy of Flowering Plants Mock Exam-4
CategoriesNEET Biology