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WorksheetsAnatomy of Flowering Plants-1
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
In certain plant organ cells were found to be isodiametric, thin cellulosic cell walled and loosely packed having intercellular space. Which type of plant tissue is being discussed here?
a)
Parenchyma
b)
Collenchyma
c)
Sclerenchyma
d)
Phloem
2.
Which of the following statements is incorrect about Collenchyma tissue?
a)
Generally occurs below epidermis in dicot plants
b)
Cells have thickened corners due to deposition of lignin
c)
They are oval, spherical or polygonal shaped cells
d)
Intercellular spaces are absent
3.
Which of the following statements is true about Sclereids?
a)
These are constituent cells of Collenchyma tissue
b)
They are living cells with very narrow lumen (Cavity)
c)
They donot provide mechanical strength to plants
d)
The gritty pulp of fruits like guava and pear is due to it's presence
4.
Xylem is a conducting tissue for water and minerals from roots to the upper parts of the plant. Which of the following statement about Xylem is correct?
a)
In flowering plants sieve tube and tracheids are the main water transporting elements
b)
Xylem is composed of tracheids, vessels, sieve tube and xylem fibres
c)
Vessels are present in Gymnosperms and not in Angiosperms
d)
Tracheids are dead, tube like cells with thick lignified tapering ends
5.
From the following statements related to Xylem, identify the wrong statement
a)
Primary xylem may be Protoxylem and Metaxylem
b)
First formed xylem is Protoxylem
c)
In stems, Protoxylem lies towards the perephery
d)
Primary xylem in stem is Endarch
6.
The following statements are related to Phloem. Which statement do you think is incorrect?
a)
Phloem usually transports food from leaves to different parts of the plant
b)
Phloem is composed of Sieve tube, Companion cells, Phloem parenchyme and Phloem fibres
c)
Gymnosperms do not have Sieve tube and companion cells
d)
Phloem parenchyma is absent in most of the dicots
7.
Jute, Flax and Hemp are of commercial importance. To which part of the plant do they belong to?
a)
Phloem Fibres
b)
Xylem Fibres
c)
Sieve tube
d)
Tracheids
8.
Study carefully the statements related to Epidermal Tissue System and find out the incorrect statement.
a)
Epidermis is usually single cell layered
b)
Epidermal cells are parenchymatous
c)
Just below the epidermal layer is a waxy layer called cuticle
d)
Cuticle is absent in roots
9.
Which of the following is not a component of the Stomatal apparatus?
a)
Stomatal pore
b)
Guard cells
c)
Subsidiary cells
d)
Epidermis
10.
Identify the correct statement
a) Stomata are present on both epidermal layers in isobilateral leaves
b) Guard cells are dumb-bell shaped in grass leaves
c) Photosynthesis do not occur in guard cells
d) Stomata opens when guard cells are flaccid
a) Stomata are present on both epidermal layers in isobilateral leaves
b) Guard cells are dumb-bell shaped in grass leaves
c) Photosynthesis do not occur in guard cells
d) Stomata opens when guard cells are flaccid
a)
a, c
b)
c,d
c)
a, b
d)
b, d
11.
Read carefully the statements regarding Ground tissue and identify the incorrect statement
a)
All tissues except epidermis and Vascular bundles constitute the Ground Tissue
b)
Parenchyma cells are present in Cortex, Pericycle, Pith and Medullary rays in primary root and stem
c)
In leaves the ground tissue consists of thin walled Mesophyll cells
d)
Ground tissue consists of Parenchyma cells only
12.
Which of the following statements are correct in respect of vascular tissues
a) Vascular tissues comprises of Xylem, Phloem and pith
b) Vascular bundles of dicot stems are conjoint and open
c) vascular bundles of monocot stem are Radial type
d) When xylem and phloem are on the same radius of vascular bundle it is conjoint type
a) Vascular tissues comprises of Xylem, Phloem and pith
b) Vascular bundles of dicot stems are conjoint and open
c) vascular bundles of monocot stem are Radial type
d) When xylem and phloem are on the same radius of vascular bundle it is conjoint type
a)
a,b
b)
a,c
c)
b, d
d)
b, c
13.
The difference between a monocot root and dicot root seen as a section under a microscope is
a) Vascular bundle in monocot root is polyarch
b) Pith is large and well developed
c) Xylem and Phloem forms patches numbered 2-4
d) Pith is small
a) Vascular bundle in monocot root is polyarch
b) Pith is large and well developed
c) Xylem and Phloem forms patches numbered 2-4
d) Pith is small
a)
a, b
b)
a, c
c)
a, d
d)
s, d
14.
Which of the following features is not found while observing a TS of monocot root?
a)
Sclerenchymatous hypodermis
b)
Large number of scattered vascular bundles
c)
vascular bundles are conjoint and closed
d)
perepheral vascular bundles are generally larger than the centrally located ones
15.
If you are given a section of a leaf and asked to observe under a microscope, which characters will confirm you it to be a dicot leaf.
a) Stomata on both epidermis
b) Stomata on lower epidermis
c) Mesophyll cells are of two types
d) Mesophyll cells one one type
a) Stomata on both epidermis
b) Stomata on lower epidermis
c) Mesophyll cells are of two types
d) Mesophyll cells one one type
a)
a,c
b)
b, d
c)
b, c
d)
a,d
16.
Which of the following statements about Spring wood (Early wood) is incorrect?
a)
In spring cambium is more active
b)
In this season, large number of xylary elements are formed
c)
Xylary elements have wide cavity
d)
Spring wood is dark in colour having less density
17.
Which of the following statements is true for Autumn wood (late wood)?
a)
Wood is lighter and has higher density
b)
Xylary elements have wide cavity
c)
Ring of autumn wood alternates with spring wood to form annual ring
d)
Cambium is highly active during autumn
18.
Identify the statement which is incorrect about Heart wood. It
a)
is centrally located secondary xylem
b)
has deposits of tannin, resin, gum etc
c)
is very hard and durable
d)
Conducts water
19.
Spot the correct statement from the following
a)
Phelloderm comprises Phellem, Phellogen and Periderm
b)
Cork is impervious due to deposits Lignin in the cells
c)
Bark refers to periderm and secondary phloem
d)
Sapwood is involved in conduction of water and minerals from root to leaf
20.
Which statement about Lenticels is incorrect?
a)
occur in most woody trees
b)
permit exchange of gases between atmosphere and and internal tissue
c)
loosely arranged parenchyma cells produced from phellogen ruptures the epidermis forming lenticels
d)
opening and closing of the lenticels are regulated by some specialised cells
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