We have compiled the NCERT MCQ Questions for Class 11 Biology Chapter 6 Anatomy of Flowering Plants with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams. Refer to the Anatomy of Flowering Plants Class 11 MCQs Questions with Answers here along with a detailed explanation.
Anatomy of Flowering Plants Class 11 MCQs Questions with Answers
Question 1.
A meristematic region present between the xylem and the phloem of open vascular bundles is called
(a) Pericycle
(b) Pith
(c) Intrafascicular cambium
(d) Medullary ray
Answer
Answer: (c) Intrafascicular cambium
Question 2.
Mechanical tissue consisting of living cells is
(a) Sclerenchyma
(b) Collenchyma
(c) Chlorenchyma
(d) Parenchyma
Answer
Answer: (b) Collenchyma
Question 3.
“Patua” is obtained from Hibiscus sabdariffa is
(a) Secondary phloem
(b) Collenchymatous hypodermis
(c) Pericycle
(d) Epidermis
Answer
Answer: (a) Secondary phloem
Question 4.
Which type of fibres mainly occur in phloem
(a) Fibre tracheids
(b) Libriform
(c) Sclereids
(d) Wood fibres
Answer
Answer: (b) Libriform
Question 5.
Quiescentcentre is found in the plant at
(a) Root tips
(b) Cambium
(c) Shoot tips
(d) Leaf tip
Answer
Answer: (a) Root tips
Question 6.
Most conspicuous annual rings form in:
(a) Temperate evergreen plants
(b) Tropical deciduous
(c) Temperate deciduous plants
(d) Tropical evergreen
Answer
Answer: (c) Temperate deciduous plants
Question 7.
A wood with scattered parenchyma is called
(a) Paratracheal
(b) Apotracheal
(c) Syntracheal
(d) None of the Above
Answer
Answer: (b) Apotracheal
Question 8.
Formation of secondary xylem and phloem respectively
(a) Centrifugal and centripetal
(b) Centripetal and centrifugal
(c) Both centripetal
(d) Both centrifugal
Answer
Answer: (b) Centripetal and centrifugal
Question 9.
Bark includes all the tissues
(a) Lying outside the vascular cambium
(b) Formed by vascular cambium
(c) Formed by phellogen
(d) Phellem & phelloderm
Answer
Answer: (a) Lying outside the vascular cambium
Question 10
Jute fibres are obtained from the
(a) Pith
(b) Endodermis
(c) Xylem
(d) Secondary phloem
Answer
Answer: (d) Secondary phloem
Question 11.
Living tissue in lenticel is called
(a) Conjunctive tissue
(b) Connective tissue
(c) Complementary tissue
(d) Phelloderm
Answer
Answer: (c) Complementary tissue
Question 12.
Formation of vascular rays occurs in which order
(a) Centripetal
(b) Centrifugal
(c) Acropetal order
(d) (a) and (b) both
Answer
Answer: (d) (a) and (b) both
Question 13.
Which among the following are elongated or tube like cells with thick and lignified walls and tapering ends?
(a) Xylem fibres
(b) Xylem parenchyma
(c) Vessels
(d) Tracheids
Answer
Answer: (d) Tracheids
Question 14.
Which of the following provide maximum mechanical strength to a tree trunk.
(a) Heart wood
(b) Sap wood
(c) Cork
(d) Late wood
Answer
Answer: (a) Heart wood
Question 15.
Vessels and companion cells are respectively present in the xylem and phloem of
(a) Gymnosperm
(b) Pteridophytes
(c) Angiosperm
(d) Bryophyta
Answer
Answer: (c) Angiosperm
Question 16.
In a hollow stem, what is most affected
(a) Conduction of food
(b) Conduction of water
(c) Storage of food
(d) None of the above
Answer
Answer: (c) Storage of food
Question 17.
Spring wood (early wood) differs with autumn wood (late wood) in
(a) Size of vessels and tracheids
(b) Thickness of cell wall
(c) Amount of wood
(d) All the above
Answer
Answer: (d) All the above
Question 18.
Study of wood is called
(a) Anatomy
(b) Morphology
(c) Histology
(d) Xylotomy
Answer
Answer: (d) Xylotomy
Question 19.
Casparian thickenings are found in the cells of
(a) Endodermis of the root
(b) Pericycle of the root
(c) Endodermis of the stem
(d) Pericycle of the stem
Answer
Answer: (a) Endodermis of the root
Question 20.
What is “Rhytidome”:
(a) Bark
(b) Dead tissue separated by periderm on outerside
(c) Dead tissue separated by periderm on inner side
(d) Secondary cortex
Answer
Answer: (b) Dead tissue separated by periderm on outerside
Question 21.
In leaves, the ground tissue consists of thin-walled chloroplast containing cells are called
(a) Parenchyma
(b) Sclerenchyma
(c) Chlorenchyma
(d) Mesophyll
Answer
Answer: (d) Mesophyll
Question 22.
The region consisting of dead elements with highly lignified walls is called
(a) Autumn wood
(b) Spring wood
(c) Sap wood
(d) Heart wood
Answer
Answer: (d) Heart wood
Question 23.
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is
(a) Collenchyma
(b) Xylem
(c) Epidermis
(d) Sclerenchyma
Answer
Answer: (a) Collenchyma
Question 24.
The tissue responsible for translocation of food material is
(a) Parenchyma
(b) Phloem
(c) Vessels
(d) Fibres
Answer
Answer: (b) Phloem
Question 25.
The characteristic feature of which cells have lignified thickening at the corner?
(a) Collechyma
(b) Parenchyma
(c) Sclerenchyma
(d) Chlorenchyma
Answer
Answer: (c) Sclerenchyma
Question 26.
Fibre (longest plant cell), belongs to which tissue
(a) Parenchyma
(b) Collenchyma
(c) Aerenchyma
(d) Sclerenchyma
Answer
Answer: (d) Sclerenchyma
Question 27.
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
Answer
Answer: (c) flowers, fruits and leaves
Question 28.
Which tissue remains more active during autumn
(a) Cork cambium
(b) Vascular cambium
(c) Parenchyma
(d) Sclerenchyma
Answer
Answer: (b) Vascular cambium
Question 29.
Diffuse porous woods are characteristic of plants growing in
(a) alpine region
(b) cold winter regions
(c) temperature climate
(d) tropics
Answer
Answer: (d) tropics
Question 30.
Rod shaped elongated sclereids found in the seed coats of pulses are known as
(a) Astrosclereids
(b) Macrosclereids
(c) Trichosclereids
(d) Brachysclereids
Answer
Answer: (b) Macrosclereids
Question 31.
Angular collenchyma occurs in
(a) Salvia
(b) Helianthus
(c) Althea
(d) Cucurbita
Answer
Answer: (d) Cucurbita
Question 32.
The lateral roots originate from
(a) Endodermis cells
(b) Cortical cells below root hair
(c) Pericycle cells
(d) Epiblema
Answer
Answer: (c) Pericycle cells
Question 33.
The secondary growth of woody angiosperm stem occurs by
(a) Cork cambium and apical meristem
(b) Cork cambium and lateral meristem
(c) Vascular cambium and apical meristem
(d) Vascular cambium and cork cambium
Answer
Answer: (d) Vascular cambium and cork cambium
Question 34.
Stem of date palm increases in girth due to activity of
(a) Intercalary meristem
(b) Apical meristem
(c) Lateral meristem
(d) None of the above
Answer
Answer: (b) Apical meristem
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