Please refer to the MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers. The following Anatomy of Flowering Plants Class 11 Biology MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 11. Our experts have designed MCQ Questions for Class 11 Biology with Answers for all chapters in your NCERT Class 11 Biology book.
Anatomy of Flowering Plants Class 11 MCQ Questions with Answers
See below Anatomy of Flowering Plants Class 11 Biology MCQ Questions, solve the questions and compare your answers with the solutions provided below.
Question. The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous arenchymatous ground tissue (iii) vascular bundles conjoint and closed (iv) phloem parenchyma absent Identify the category of plant and its part.
(a) Monocotyledonous stem
(b) Monocotyledonous root
(c) Dicotyledonous stem
(d) Dicotyledonous root
Question. Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following.
(a) Tyloses in vessels
(b) Closure of stomata
(c) Flaccidity of bulliform cells
(d) Shrinkage of air spaces in spongy mesophyl
Question. In the dicot root the vascular cambium originates from
(a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem
(b) cortical region
(c) parenchyma between endodermis and pericycle
(d) intrafascicular and interfascicular tissue in a ring.
Question. Casparian strips occur in
Question. Root hair develop from the region of
(b) root cap
(c) meristematic activity
Question. Cortex is the region found between
(a) epidermis and stele
(b) pericycle and endodermis
(c) endodermis and pith
(d) endodermis and vascular bundle.
Question. A major characteristic of monocot root is the presence of
(a) vasculature without cambium
(b) cambium sandwiched between phloem and xylem along the radius
(c) open vascular bundles
(d) scattered vascular bundles.
Question. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
(a) Secondary xylem
(b) Secondary phloem
(d) Cortical cells
Question. Water containing cavities in vascular bundles are found in
Question. As compared to a dicot root, a monocot root has
(a) more abundant secondary xylem
(b) many xylem bundles
(c) inconspicuous annual rings
(d) relatively thicker periderm.
Question. Palisade parenchyma is absent in leaves of
Question. The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is
Question. Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
(a) absence of secondary phloem
(b) presence of cortex
(c) position of protoxylem
(d) absence of secondary xylem.
Question. Passage cells are thin walled cells found in
(a) phloem elements that serve as entry points for substance for transport to other plant parts
(b) testa of seeds to enable emergence of growing embryonic axis during seed germination
(c) central region of style through which the pollen tube grows towards the ovary
(d) endodermis of roots facilitating rapid transport of water from cortex to pericycle.
Question. In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?
(a) All parts
(b) Stem and root
(c) Flowers, fruits and leaves
(d) Shoot tips and root tips
Question. Four radial vascular bundle are found in
(a) dicot root
(b) monocot root
(c) dicot stem
(d) monocot stem.
Question. What happens in plants during vascularisation?
(a) Differentiation of procambium, formation of primary phloem followed by formation of primary xylem
(b) Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously
(c) Formation of procambium, primary phloem and xylem simultaneously
(d) Differentiation of procambium followed by the formation of secondary xylem
Question. Casparian strips are found in
Question. Casparian strip occurs in a
Question. A plant bears fruit, has a column of vascular tissue and a tap root system. This plant is a
(a) angiosperm and dicot
(b) gymnosperm and dicot
(c) angiosperm and monocot
(d) gymnosperm and monocot.
Question. Where do the Casparian bands occur?
Question. A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is
(a) cork cambium
(b) vascular cambium
Question. What is true about a monocot leaf?
(a) Reticulate venation
(b) Absence of bulliform cells from epidermis
(c) Mesophyll not differentiated into palisade and spongy tissues
(d) Well differentiated mesophyll
Question. Pericycle of roots produces
(a) mechanical support
(b) lateral roots
(c) vascular bundles
(d) adventitious buds.
Question. Monocot leaves possess
(a) intercalary meristem
(b) lateral meristem
(c) apical meristem
(d) mass meristem.
Question. Pith and cortex do not differentiate in
(a) monocot stem
(b) dicot stem
(c) monocot root
(d) dicot root
Question. Identify the incorrect statement.
(a) Heartwood does not conduct water but gives mechanical support.
(b) Sapwood is involved in conduction of water and minerals from root to leaf.
(c) Sapwood is the innermost secondary xylem and is lighter in colour.
(d) Due to deposition of tannins, resins, oils, etc., heartwood is dark in colour.
Question. Which of the statements given below is not true about formation of annual rings in trees?
(a) Annual rings are not prominent in trees of temperate region.
(b) Annual ring is a combination of spring wood and autumn wood produced in a year.
(c) Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively.
(d) Activity of cambium depends upon variation in climate.
Question. Secondary xylem and phloem in dicot stem are produced by
(a) apical meristems
(b) vascular cambium
(d) axillary meristems.
Question. Plants having little or no secondary growth are
(b) deciduous angiosperms
Question. The vascular cambium normally gives rise to
(a) primary phloem
(b) secondary xylem
Question. Which of the following is made up of dead cells?
(d) Xylem parenchyma
Question. Identify the wrong statement in context of heartwood.
(a) It is highly durable.
(b) It conducts water and minerals efficiently.
(c) It comprises dead elements with highly lignified walls.
(d) Organic compounds are deposited in it.
Question. The balloon-shaped structures called tyloses
(a) originate in the lumen of vessels
(b) characterise the sapwood
(c) are extensions of xylem parenchyma cells into vessels
(d) are linked to the ascent of sap through xylem vessels.
Question. Read the different components from (i) to (iv) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side n a woody dicot stem. (i) Secondary cortex (ii) Wood (iii) Secondary phloem (iv) Phellem The correct order is
(a) (iv), (i), (iii), (ii)
(b) (iv), (iii), (i), (ii)
(c) (iii), (iv), (ii), (i)
(d) (i), (ii), (iv), (iii).
Question. Lenticels are involved in
(a) food transport
(d) gaseous exchange.
Question. Age of a tree can be estimated by
(a) number of annual rings
(b) diameter of its heartwood
(c) its height and girth
Question. Interfascicular cambium develops from the cells of
(c) medullary rays
(d) xylem parenchyma.
Question. The common bottle cork is a product of
(d) vascular cambium.
Question. The cork cambium, cork and secondary cortex are collectively called