Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download is available here. MCQ Questions for Class 11 Biology with Answers are prepared as per the Latest Exam Pattern. Students can solve these Anatomy of Flowering Plants Class 11 MCQs Questions with Answers and assess their preparation level.
Anatomy of Flowering Plants Class 11 MCQs Questions with Answers
Solving the Anatomy of Flowering Plants Multiple Choice Questions of Class 11 Biology Chapter 6 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Anatomy of Flowering Plants Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 6 Biology Class 11 and cross-check your answers during preparation.
I. Select the correct answer from the following questions:
Question 1.
Intercalary meristem is derived from
(a) Apical meristem
(b) Protoderm
(c) Calyptrogen
(d) Lateral meristem
Answer
Answer: (a) Apical meristem.
Question 2.
Secondary meristem develops from
(a) Apical meristem
(b) Permanent tissue
(c) Secondary tissue
(d) Vascular combium
Answer
Answer: (b) Permanent tissue
Question 3.
Cambium is considered to be a lateral meristem because it
(a) Gives rise to lateral branches
(b) Increase the girth of the plant
(c) Increase both length and girth of plant
(d) Increase the length of the plant.
Answer
Answer: (b) Increase the girth of the plant
Question 4.
Quiscent centre is located in
(a) Shoot apex
(b) Root apex
(c) Bud apex
(d) Leaf apex
Answer
Answer: (b) Root apex
Question 5.
Casparian strips occur in the cells of
(a) Exodermis
(b) Epiderms
(c) Hypodermis
(d) Endoderms
Answer
Answer: (d) Endoderms
Question 6.
Lignified cells with narrow and pointed end wall are
(a) Chlorenchyma
(b) Parenchyma
(c) Sclerenchyma
(d) Endoderms
Answer
Answer: (c) Sclerenchyma
Question 7.
Nucleus is absent in
(a) Vessels
(b) Sieve tube elements
(c) Tracheid
(d) All of these
Answer
Answer: (d) All of these
Question 8.
Age of a tree is calculated by its
(a) Girth
(b) Height
(c) Number of annual rings
(d) Number of branches
Answer
Answer: (c) Number of annual rings.
Question 9.
Youngest secondary xylem occurs
(a) Just outside the vascular cambium
(b) Just inside the vascular cambium
(c) Just outside the vascular cambium
(d) Just inside the cork cambium
Answer
Answer: (b) Just inside the vascular cambium.
Question 10.
Mesophll cells in a leaf are
(a) Sclerenchymatous
(b) Collenehymatous
(c) Parenchymatous
(d) Meristem
Answer
Answer: (c) Parenchymatous
Question 11.
Healing of wounds occur due to the activity of
(a) Intercalary meristem
(b) Secondary meristem
(c) Primary meristem
(d) Apical meristem
Answer
Answer: (b) Secondary meristem
Question 12.
Lateral root arise from
(a) Cambium
(b) Pericycle
(c) Epidermis
(d) Endodermis
Answer
Answer: (b) Pericycle
Question 13.
Vascular bundles are absent in
(a) Dicots
(b) Monocots
(c) Cambium
(d) Pteridophytes
Answer
Answer: (d) Pteridophytes
Question 14.
Which one contain only living cells?
(a) Vessels
(b) Sclerenchyma
(c) Trachieds
(d) Parenchyma
Answer
Answer: (d) Parenchyma
Question 15.
Vascular bundle having cambium is
(a) Closed
(b) Open
(c) Colleral
(d) Conjoint
Answer
Answer: (b) Open
Question 16.
Lignified cell well occurs in
(a) Xylem cells
(b) Epidermal cells
(c) Cambial cells
(d) Phloem cells
Answer
Answer: (a) Xylem cells .
Question 17.
Bordered pits are more common in
(a) Gymmosperms
(b) Monocots
(c) Dicots
(d) All of these
Answer
Answer: (a) Gymmosperms
Question 18.
Both apical meristems and intercalary meristem are also called
(a) Intercalary meristems
(b) Lateral meristems
(c) Primary meristems
(d) Meristems
Answer
Answer: (c) Primary meristems
Question 19.
Complex tissues also provides mechanical strength to the plant parts. It is composed elements
(a) Trachieds
(b) Vessels
(c) Xylem fibres
(d) Xylem parenchyma
(e) All of these
Answer
Answer: (e) All of these
Question 20.
The first formed xylem elements are called
(a) Metaxylem
(b) Endarch
(c) Protoxylem
(d) Exarch
Answer
Answer: (c) Protoxylem
II. Fill in the blanks:
Question 1.
The plant is made up of Cells which are organised into ………… and the tissues into …………..
Answer
Answer: tissues, organs
Question 2.
Plants have different kinds of ………..
Answer
Answer: meristems
Question 3.
Fascicular vascular cambium, interfascicular cambium and cork- cambium are examples of ………… meristems.
Answer
Answer: lateral
Question 4.
The various simple tissues are …………, ………….. and ……………
Answer
Answer: parenchyma, collenchyma, sclerenchyma
Question 5.
Parenchymatous cells form the major components like ……………… of ………….. and ………… parts.
Answer
Answer: cortex., pit, mesophyll, leaves, floral
Question 6.
…………. forms …………… below the epidermis, in dicotyle-donous plants.
Answer
Answer: Collenchyma, hypodermis
Question 7.
…………. consists of long, narrow cells with thick and lignified i cell walls having a few or numerous pits.
Answer
Answer: Sclerenchyma
Question 8.
………….. is cbmposed of four different kinds of elements, namely, trachieds, vessels, xylem fibres and xylem paranchyma.
Answer
Answer: Complex tissues
Question 9.
…………… are long, tube-like structures, arranged longitudinally and are associated with the companion cells.
Answer
Answer: Sieve tube elements
Question 10.
Each stoma is composed of two bean-shaped cells known as the …………….
Answer
Answer: guard cells
Question 11.
The cells of epidermis bear a number of hair known as …………..
Answer
Answer: trichomes
Question 12.
The outermost layer is …………..
Answer
Answer: epidermis
Question 13.
The …………. consists of several layers of thin-walled parenchymata with intercellular spaces.
Answer
Answer: cortex
Question 14.
A number of …………. are arranged in a ring. Each vascular bundle is …………., ……………. and …………
Answer
Answer: vascular, conjoint, collateral endarch, open
Question 15.
When the ………….. cells in the leaves are turgid, the leaf surface is exposed.
Answer
Answer: bulliform
III. Mark the statements True (T) or False (F)
Question 1.
The spring wood is lighter in colour and has a low density whereas the autumn wood is darker and has a higher density.
Answer
Answer: True
Question 2.
The wood formed during spring season is called autumn wood or late wood.
Answer
Answer: False
Question 3.
Phellogen, phellem, and phelloderm are collectively known as lenticel.
Answer
Answer: False
Question 4.
The peripheral region of the secondary xylem, is lighter in colour and is known as the sapwood.
Answer
Answer: True
Question 5.
Secondary growth also occur in stems and roots of gymnosperms. However, secondary growth does not occur in monocotyledons.
Answer
Answer: True
Question 6.
All the dead cells lying outside the active cork cambium constitute the bark.
Answer
Answer: True
Question 7.
Lenticels permit the exchange of gases between the outer at-mosphere and the internal tissue of the stem.
Answer
Answer: True
Question 8.
The two kinds of woods appear as alternate concentric rings, constituting an annual ring.
Answer
Answer: True
Question 9.
Vascular system includes vascular bundles, which can be seen in the veins.
Answer
Answer: True
Question 10.
When xylem and phloem within a vascular bundle are arranged in an alternate manner on different radii as in the roots are called radial as in the roots.
Answer
Answer: True
IV. Match the items or column I with the items of column II
| Column I | Column II |
| (i) Heart wood | (a) spring wood |
| (ii) Spring season | (b) innermost layer of the cortex |
| (iii) Secondary growth | (c) unicellular |
| (iv) Isobilateral leaf | (d) tapering cylindrical cells |
| (v) Endodermis | (e) comprises dead elements with highly lingnifled walls. |
| (vi) Root hairs | (f) thick-walled, elongated and pointed cells. |
| (vii) Phloem paranchyma | (g) two lateral mertstems vascular cambium and cork cambium. |
| (viii) Primary xylem | (h) they are mostly dead and without protoplasts |
| (ix) Xylem parenchymatous | (i) bulliform cells. |
| (x) Sclereids | (j) walls are made up of cellulose |
| (xi) Collenchyma | (k) hypodermis below the epidermis. |
| (xii) Parenchymatous | (l) cortex, pith, mesophyll of leaves, floral parts. |
| (xiii) Fibres | (m) protoxylem and metaxylem |
| (xiv) Sclerenchyma | (n) spherical, oval or cylindrical, highly thickened dead cells with very narrow cavities. |
Answer
Answer:
| Column I | Column II |
| (i) Heart wood | (e) comprises dead elements with highly lingnifled walls. |
| (ii) Spring season | (a) spring wood |
| (iii) Secondary growth | (g) two lateral mertstems vascular cambium and cork cambium. |
| (iv) Isobilateral leaf | (i) bulliform cells. |
| (v) Endodermis | (b) innermost layer of the cortex |
| (vi) Root hairs | (c) unicellular |
| (vii) Phloem paranchyma | (d) tapering cylindrical cells |
| (viii) Primary xylem | (m) protoxylem and metaxylem |
| (ix) Xylem parenchymatous | (j) walls are made up of cellulose |
| (x) Sclereids | (n) spherical, oval or cylindrical, highly thickened dead cells with very narrow cavities. |
| (xi) Collenchyma | (k) hypodermis below the epidermis. |
| (xii) Parenchymatous | (l) cortex, pith, mesophyll of leaves, floral parts. |
| (xiii) Fibres | (f) thick-walled, elongated and pointed cells. |
| (xiv) Sclerenchyma | (h) they are mostly dead and without protoplasts |
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