CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Set B

Refer to CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Set B provided below available for download in Pdf. The MCQ Questions for Class 11 Biology with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Chapter 6 Anatomy of Flowering Plants Class 11 MCQ are an important part of exams for Class 11 Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Biology and also download more latest study material for all subjects

MCQ for Class 11 Biology Chapter 6 Anatomy of Flowering Plants

Class 11 Biology students should refer to the following multiple-choice questions with answers for Chapter 6 Anatomy of Flowering Plants in Class 11.

Chapter 6 Anatomy of Flowering Plants MCQ Questions Class 11 Biology with Answers

Question : Procambium forms 
a) only primary vascular bundles
b) only vascular cambium
c) only cork cambium
d) primary vascular bundles and vascular cambium
Answer: primary vascular bundles and vascular cambium

Question : What is not true about sclereids? 
a) These are parenchyma cells with thickened lignified walls
b) These are elongated and flexible with tapered ends
c) These are commonly found in the shells of nuts and in the pulp of guava, pear etc
d) These are also called the stone cells
Answer: These are parenchyma cells with thickened lignified walls
 
Question : At maturity which of the following is enucleate?
a) Sieve cell
b) Companion cell
c) Palisade cell
d) Cortical cell
Answer: Sieve cell
 
Question : A leaf primordium grows into the adult leaf lamina by means of 
a) apical meristem
b) lateral meristem
c) marginal meristem
d) at first by apical meristem and later largely by marginal meristem
Answerat first by apical meristem and later largely by marginal meristem
 
 
Question : Which of the following meristems is responsible for extrastelar secondary growth in dicotyledonous stem? 
a) Intrafascicular cambium
b) Interfascicular cambium
c) Intercalary meristem
d) Phellogen
Answer: Phellogen
 
Question : What happens during vascularization in plants? 
a) Differentiation of procambium is immediately followed by the development of secondary xylem and phloem
b) Differentiation of procambium followed by the development of xylem and phloem
c) Differentiation of procambium, xylem and phloem is simultaneous
d) Differentiation of procambium followed by the development of primary phloem and then by primary xylem
Answer: Differentiation of procambium followed by the development of xylem and phloem
 
Question : Loading of phloem is related to
a) increase of sugar in phloem
b) elongation of phloem cell
c) separation of phloem parenchyma
d) strengthening of phloem fibre
Answer: increase of sugar in phloem
 
Question : Which of the following statements is true?
a) Vessels are multicellular with narrow lumen
b) Tracheids are multicellular with narrow lumen
c) Vessels are unicellular with wide lumen
d) Tracheids are unicellular with wide lumen
Answer: Vessels are multicellular with narrow lumen
 
Question : Axillary bud and terminal bud are derived from the activity of 
a) lateral meristem
b) intercalary meristem
c) apical meristem
d) parenchyma
Answer: Vessels are multicellular with narrow lumen
 
Question : Vessels are found in 
a) all angiosperms and some gymnosperms
b) most of angiosperms and few gymnosperms
c) all angiosperms and few gymnosperms and some pteridophytes
d) all pteridophytes
Answer: most of angiosperms and few gymnosperms
 
Question : Four radial vascular bundles are found in 
a) dicot root
b) monocot root
c) dicot stem
d) monocot stem
Answer: monocot root
 
Question : The apical meristem of the root is present 
a) in all the roots
b) only in radicals
c) only in tap roots
d) only in adventitious roots
Answer: in all the roots
 
Question : The cells of the quiescent centre are characterised by 
a) dividing regularly to add to tunica
b) having dense cytoplasm and prominent nuclei
c) having light cytoplasm and small nuclei
d) dividing regularly to add to the corpus
Answer: having light cytoplasm and small nuclei
 
Question : Chlorenchyma is known to develop in the 
a) pollen tube of Pinus
b) cytoplasm of Chlorella
c) mycelium of a green mould such as Aspergillus
d) spore capsule of a moss
Answer: spore capsule of a moss
 
Question : In a longitudinal section of root, starting from the tip upward, the four zones occur in the 3 following order 
a) root cap, cell division, cell enlargement, cell maturation
b) root cap, cell division, cell maturation, cell enlargement
c) cell division, cell enlargement, cell maturation, root cap
d) cell division, cell  maturation, cell enlargement, root cap
Answer: root cap, cell division, cell enlargement, cell maturation
 
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
Answer: Shoot tips and root tips
 
Question : A common structural feature of vessel elements and sieve tube elements are 
a) pores on lateral walls
b) presence of p-protein
c) enucleate condition
d) thick secondary walls
Answer: enucleate condition
 
Question : For a critical study of secondary growth in plants, which one of the following pairs is suitable? 
a) Sugarcane and sunflower
b) Teak and pine
c) Deodar and fern
d) Wheat and maiden hair fern
Answer: Teak and pine
 
Question : Passage cells are thin walled cells found in 
a) endodermis of roots facilitating rapid transport of water from cortex to pericycle
b) phloem elements that serve as entry points for substances for transport to other plant parts
c) testa of seeds to enable emergence of growing embryonic axis during seed germination
d) central region of style through which the pollen tube grows towards the ovary
Answer: endodermis of roots facilitating rapid transport of water from cortex to pericycle
 
Question : Vascular tissues in flowering plants develop from 
a) phellogen
b) plerome
c) periblem
d) dermatogen
Answer: plerome
 
Question : The length of different internodes in a culm of sugarcane is variable because of 
a) shoot apical meristem
b) position of axillary buds
c) size of leaf lamina at the node below each internode
d) intercalary meristem
Answer: intercalary meristem
 
Question : Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by: 
a) Presence of cortex
b) Position of protoxylem
c) Absence of secondary xylem
d) Absence of secondary phloem
Answer: Position of protoxylem
 
Question : The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is: 
a) widening
b) differentiating
c) maturing
d) elongating
Answer: maturing
 
Question : Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of: 
a) Epiphytes
b) Hydrophytes
c) Xerophytes
d) Mesophytes
Answer: Hydrophytes
 
Question : The chief water conducting elements of xylem in gymnosperms are 
a) Vessels
b) Fibres
c) Transfusion tissue
d) Tracheids
Answer: Tracheids
 
Question : Which one of the following is not a lateral meristem? 
a) Intrafascicular cambium
b) Interfascicular cambium
c) Phellogen
d) Intercalary meristem
Answer: Intercalary meristem
 
Question : Heartwood differs from sapwood in 
a) Presence of rays and fibres
a) Absence of vessels and parenchyma
c) Having dead and non-conducting elements
d) Being susceptible to pests and pathogens
Answer: Having dead and non-conducting elements
 
Question : Function of companion cells is 
a) Loading of sucrose into sieve elements.
b) Providing energy to sieve elements for active transport.
c) Providing water to phloem
d) Loading of sucrose into sieve elements by passive transport.
Answer: Loading of sucrose into sieve elements.
 
Question : Some vascular bundles are described as open because these 
a) Are not surrounded by pericycle
b) Are surrounded by pericycle but no endodermis
c) Are capable of producing secondary xylem and phloem.
d) Possess conjunctive tissue between xylem and phloem.
Answer:  Are capable of producing secondary xylem and phloem.
 
Question : The cork cambium, cork and secondary cortex are collectively called 
a) Phelloderm
b) Phellogen
c) Periderm
d) Phellem
Answer: Periderm

MCQs for Chapter 6 Anatomy of Flowering Plants Biology Class 11

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