NEET Biology Anatomy of Flowering Plants Question Bank

done Self Evaluation Test - Anatomy of Flowering Plants Total Questions - 108

• question_answer1)
  Which tissue is considered as most primitive both ontogenetically as well as phylogenetic ally?
  A)
  Parenchyma  done clear
  B)
  Collenchyma done clear
  C)
  Sclerenchyma    done clear
  D)
         Aerenchyma done clear
  View Solution play_arrow

• question_answer2)
  Meristems are not found in:
  A)
  Cycas stem       done clear
  B)
         Pollen of Pinus done clear
  C)
  Fern leaf      done clear
  D)
         Fern rhizome done clear
  View Solution play_arrow

• question_answer3)
  Healing of wound in plants takes place by activity of:
  A)
  Intercalary meristem done clear
  B)
  Secondary meristem done clear
  C)
  Apical meristem done clear
  D)
  Lateral meristem done clear
  View Solution play_arrow

• question_answer4)
  The given figure shows apical meristem of root apex with few part marked as 1, 2 and 3. Identify the correct labelling of 1, 2 and 3.
  A)
  1 - Vascular structure, 2 - Protoderm, 3 - Root cap done clear
  B)
  1 - Cortex, 2 - Endodermis, 3 - Root cap done clear
  C)
  1 - Cortex, 2 - Protoderm, 3 - Root cap done clear
  D)
  1 - Tunica, 2 - Protoderm, 3 - Root cap done clear
  View Solution play_arrow

• question_answer5)
  Choose the correct option for 1 and 2.
  A)
  1 - Tracheid, 2 - Vessel done clear
  B)
  1 - Vessel, 2 - Tracheid done clear
  C)
  1 - Fibre, 2 - Tracheid done clear
  D)
  1 - Fibre, 2 - Sclereid done clear
  View Solution play_arrow

• question_answer6)
  Monocot leaves grow by:
  A)
  Apical meristem done clear
  B)
  Lateral meristem done clear
  C)
  Intercalary meristem done clear
  D)
  Dermatogen done clear
  View Solution play_arrow

• question_answer7)
  In the monocot root, we observe:
  A)
  suberised exodermis, polyarch xylem, pith done clear
  B)
  exodermis, endarch, tetrarchclosedbundles done clear
  C)
  conjoint, collateral, open, polyarch vascular bundle done clear
  D)
  suberised exodermis, casparian strip, passage cells, cambium done clear
  View Solution play_arrow

• question_answer8)
  Match column-I with column-II and select the correct answer using the codes given below.

  	Column-I		Column-II
  A.	Radial vascular bundle	I.	Cucurbita pepo
  B.	Collateral vascular bundle	II.	Dracaena
  C.	Bicollateral vascular bundle	III.	Roots of angiosperms
  D.	Amphicribral vascular bundle	IV.	Sunflower stem
  E.	Amphivasal vascular bundle	V.	fern

  A)
  A-III;      B-IV;     C-I;      D-V;      E-II done clear
  B)
  A-II;       B-III;     C-I;      D-V;      E-IV done clear
  C)
  A-III;      B-IV;     C-V;     D-I;       E-II done clear
  D)
  A-III;      B-I;       C-II;      D-IV;    E-V done clear
  View Solution play_arrow

• question_answer9)
  In the given columns, column-I contain structures of plant and column-II contain its feature. Select the correct match.

  	Column-I		Column-II
  A.	Lateral	I.	Fascicular vascular meristem cambium, inter fascicular cambium and cork cambium.
  B.	Apical meristem	II.	Produces dermal tissue, ground tissues and vascular tissue.
  C.	Bast fibres	III.	Generally absent in primary phloem but found in secondary phloem.
  D.	Sap wood	IV.	Involved in the conduction of water and minerals from the root to leaf.

  A)
  A-I;       B-II;       C-III;       D-IV done clear
  B)
  A-III;       B-I;       C-II;       D-IV done clear
  C)
  A-I;         B-IV;     C-III;      D-II done clear
  D)
  A-II;       B-IV;      C-III;      D-I done clear
  View Solution play_arrow

• question_answer10)
  Which one of the following statement is correct about bull form/motor cell?
  A)
  It is seen in grasses. done clear
  B)
  It is large-sized, thin-walled colourless, vacuolated cells on the ad axial surface. done clear
  C)
  It helps in rolling of leaf to minimise water loss when it is flaccid. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer11)
  A scion is grafted to a stock. The quality of fruits   produced will be determined by the genotype of:
  A)
  Stock done clear
  B)
  Scion done clear
  C)
  Both stock and scion done clear
  D)
  Neither stock nor scion done clear
  View Solution play_arrow

• question_answer12)
  The vascular cambium produces xylem on one side and phloem on other because of it:
  A)
  inter fascicular position done clear
  B)
  multicellular nature done clear
  C)
  gravitational force done clear
  D)
  difference in supply of hormones on two sides done clear
  View Solution play_arrow

• question_answer13)
  Which of the following plant shows multi epidermis?
  A)
  Croton               done clear
  B)
  Allium done clear
  C)
  Nerium           done clear
  D)
         Cucurbita done clear
  View Solution play_arrow

• question_answer14)
  Identify types of vascular bundles in given figures 1, 2 and 3.
  A)
                                                                     1- Radial                                         2- Conjoint closed                  3- Conjoint open done clear
  B)
  1- Conjoint closed                            2- Conjoint open                    3- Radial done clear
  C)
  1- Conjoint open                              2- Conjoint                           3- Radial done clear
  D)
  1- Bicol lateral                                 2- Concentric                        3- Radial done clear
  View Solution play_arrow

• question_answer15)
  Red brasilin comes from which part of Caesalpinia sappan?
  A)
  Bark only done clear
  B)
  Heart wood only done clear
  C)
  Sap wood and bark done clear
  D)
  Heart wood and bark done clear
  View Solution play_arrow

• question_answer16)
  The heart wood of Acacia catechu is rich in:
  A)
  Gums                done clear
  B)
         Resins done clear
  C)
  Tannins          done clear
  D)
         Mucilages done clear
  View Solution play_arrow

• question_answer17)
  A boy standing behind the tree carved his name on the tree, after twenty years:
  A)
  height of the carved name increased. done clear
  B)
  the name was not there as it gets abolished due to secondary growth. done clear
  C)
  the height of carved name remain the same. done clear
  D)
  the height of the carved name decreased. done clear
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• question_answer18)
  A dendrochronologist observed total 22 ring of spring wood and autumn wood in a dicot stem in 1998. How many annual rings will be observed by him in 2007?
  A)
  21                                 done clear
  B)
  25 done clear
  C)
  20                     done clear
  D)
         30 done clear
  View Solution play_arrow

• question_answer19)
  Bamboo and grasses elongate by the activity of:
  A)
  Apical meristem done clear
  B)
  Lateral meristem done clear
  C)
  Secondary meristem done clear
  D)
  Intercalary meristem done clear
  View Solution play_arrow

• question_answer20)
  Meristematic tissues are composed of :
  A)
  mature cell done clear
  B)
  fully differentiated cell done clear
  C)
  cells that cannot divide done clear
  D)
  immature cells with power to divide done clear
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• question_answer21)
  Which one of the following option shows the correct labelling of the parts marked as 1, 2, 3 and 4 in the given figure of a typical dicot root?
  A)
  1 - Primary phloem, 2 - Vascular cambium, 3 - Secondary phloem, 4 - Primary xylem done clear
  B)
  1 - Secondary phloem, 2 - Vascular cambium, 3 - Primary phloem, 4 - Primary xylem done clear
  C)
  1 - Primary phloem, 2 - Primary xylem, 3 - Secondary phloem, 4- Vascular cambium done clear
  D)
  1 - Secondary phloem, 2 - Primary xylem, 3 - Primary phloem, 4 - Vascular cambium done clear
  View Solution play_arrow

• question_answer22)
  Largest number of chloroplast is found in:
  A)
  Palisade tissue    done clear
  B)
         Spongy tissue done clear
  C)
  Transfusion tissue done clear
  D)
        Bundle sheath cells done clear
  View Solution play_arrow

• question_answer23)
  If a stem is girdled:
  A)
  root dies first done clear
  B)
  shoot dies first done clear
  C)
  Both die together done clear
  D)
  Neither root nor shoot would die done clear
  View Solution play_arrow

• question_answer24)
  In dicotyledonous stem, fascicular cambium is a meristematic tissue. It is an example of which of the following meristem?
  A)
  Lateral      done clear
  B)
         Secondary done clear
  C)
  Apical               done clear
  D)
         Intercalary done clear
  View Solution play_arrow

• question_answer25)
  Which of the following statement(s) is/are incorrect?

  (i) Cork cambium is also called phellogen.

  (ii) Cork is also called phellem.

  (iii) Secondary cortex is also called periderm.

  (iv) Cork cambium, cork and secondary cortex are collectively called phelloderm.

  A)
  (iii) and (iv)      done clear
  B)
         (i) and (ii) done clear
  C)
  (ii) and (iii)       done clear
  D)
         (ii) and (iv) done clear
  View Solution play_arrow

• question_answer26)
  Which of the following statement is correct about heart wood/duramen?

  (i) It does not help in water and mineral conduction.

  (ii) It is dark coloured but soft.

  (iii) It has treachery elements filled with tannins, resins, gums, oil, etc.

  (iv) It is a peripheral part.

  (v) They are sensitive to microbes and insects, hence least durable.

  A)
  (i) and (iii) done clear
  B)
  (ii) and (iii) done clear
  C)
  (iv) and (v) done clear
  D)
  (iii) and (iv) done clear
  View Solution play_arrow

• question_answer27)
  T.S. of dicot stem is given below, certain parts have been indicated by alphabets. Choose the correct option.
  A)
  1 - Epidermis, 2 - Epidermal hairs, 3 - Parenchyma,  4 - Starch Sheath, 5 - Hypodermis (collenchyma), 6 - Vascular bundle,  7 - Bundle cap, 8 - Medulla or pith,  9 - Medullary rays done clear
  B)
  1 - Epidermal hairs, 2 - Epidermis, 3 - Hypodermis (collenchyma), 4 - Parenchyma,  5 - Starch sheath, 6 - Bundle cap,  7 - Vascular bundle, 8 - Medullary rays,  9 - Medulla or pith done clear
  C)
  1 - Epidermal hairs,  2 - Epidermis,  3 - Hypodermis (collenchyma), 4 - Starch sheath,  5 - Parenchyma, 6 - Vascular bundle,  7 - Bundle cap, 8 - Medulla or pith, 9 - Medullary rays done clear
  D)
  1 - Epidermal hairs,  2 - Epidermis, 3 - Parenchyma, 4 - Hypodermis (collenchyma), 5 - Starch sheath,  6 - Vascular bundle, 7 - Bundle cap,  8 - Medulla or pith, 9 - Medullary rays done clear
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• question_answer28)
  Match the terms given in column-I with their features given in column-II and choose the correct option.

  	Column-I (Terms)		Column-II (Features)
  A.	Fibres	I.	Cells are living and thin walled with cellulosic cell wall, store food materials in the form of starch or fat.
  B.	Sclereids	II.	Main water conductive cells of the pteridophytes and the gymnosperms.
  C.	Tracheids	III.	Thick walled, elongated and pointed cells, generally occurring in groups.
  D.	Vessels	IV.	Long cylindrical tube like structure and cells are devoid of protoplasm. Characteristic feature of angiosperms.
  E.	Xylem	V.	Reduced form of parenchyma sclerenchyma cells with highly thickened lignified cellular walls that form small bundles of durable layers of tissue in most plants.

  A)
  A - I;     B - II;     C - III;    D - IV;     E - V done clear
  B)
  A - III;   B -V;      C - II;     D - IV;     E - I done clear
  C)
  A - III;       B - I;      C - V;     D - II;     E - IV done clear
  D)
  A - V;       B - IV;    C - III;    D - I;      E - II done clear
  View Solution play_arrow

• question_answer29)
  Read the following statements and select the correct one(s) from the options.

  (i) In flowering plants, tracheid and vessels are the main water transporting elements.

  (ii) The presence of vessels is a characteristic feature of angiosperms.

  (iii) Xylem fibres have highly thinned walls and their cell walls are made up of cellulose.

  (iv) Xylem parenchyma store food materials in the form of starch or fat and other substances like tannins.

  A)
  Only (i) done clear
  B)
  Both (ii) and (iii) done clear
  C)
  Both (iii) and (iv) done clear
  D)
  (i), (ii) and (iv) done clear
  View Solution play_arrow

• question_answer30)
  All the following statements regarding sieve tube elements are correct except that:
  A)
  their end walls have perforated sieve plates which become impregnated with lignin at maturity. done clear
  B)
  they possess peripheral cytoplasm as well as a large vacuole. done clear
  C)
  distinct proteinaceous inclusions, the P-proteins are seen evenly distributed throughout the lumen. done clear
  D)
  long, slender, tube-like structures arranged in longitudinal series. done clear
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• question_answer31)
  The lacunae in vascular bundles of monocot stems are: 
  A)
  Metaxylem done clear
  B)
  Mucilagenous canal done clear
  C)
  Lysigenous water cavity done clear
  D)
  Large-sized vessel done clear
  View Solution play_arrow

• question_answer32)
  From where the commercial jute fibres are obtained?
  A)
  Interxylary fibres done clear
  B)
         Xylem fibres done clear
  C)
  Phloem fibres    done clear
  D)
         None of these done clear
  View Solution play_arrow

• question_answer33)
  Abnormal secondary growth is observed in:
  A)
  Dracaena        done clear
  B)
  Wheat done clear
  C)
  Ginger          done clear
  D)
  Rice done clear
  View Solution play_arrow

• question_answer34)
  The trees growing in deserts will:
  A)
  show alternate rings of xylem and sclerenchyma. done clear
  B)
  show distinct annual rings. done clear
  C)
  not show distinct annual rings. done clear
  D)
  have only conjunctive tissue and phloem formed by the activity of cambium. done clear
  View Solution play_arrow

• question_answer35)
  Choose the correct option for T.S. of monocot root.
  A)
  1 - Root hair, 2 - Epiblema, 3 - Cortex, 4 - Endodermis, 5 - Passage cell, 6 - Pericycle, 7 - Pith, 8 - Phloem, 9 - Metaxylem, 10 - Protoxylem done clear
  B)
  1 - Root hair, 2 - Epiblema, 3 - Cortex, 4 - Endodermis, 5 - Passage cell, 6 - Pith, 7 - Pericycle, 8 - Metaxylem, 9 - Phloem, 10 - Protoxylem done clear
  C)
  1 - Root hair, 2 - Epiblema, 3 - Cortex, 4 - Endodermis, 5 - Pericycle, 6 - Passage cell, 7 - Phloem, 8 - Pith, 9 - Protoxylem, 10 - Metaxylem done clear
  D)
  1 - Root hair, 2 - Cortex, 3 - Epiblema, 4 - Pericycle, 5 - Endodermis, 6 - Pith,  7- Passage cell, 8 - Phloem, 9 - Protoxylem, 10 - Metaxylem done clear
  View Solution play_arrow

• question_answer36)
  Gaseous exchange between air and internal tissues of old corky stem takes place through:
  A)
  Pits                   done clear
  B)
         Stomata done clear
  C)
  Lenticels         done clear
  D)
         Sieve plates done clear
  View Solution play_arrow

• question_answer37)
  In roots of monocotyledon, the histogen present at the apex of the root tip is:
  A)
  Dermatogen      done clear
  B)
         Procambium done clear
  C)
  Calyptrogen     done clear
  D)
         Plerome done clear
  View Solution play_arrow

• question_answer38)
  Active divisions occur in the cells of:
  A)
  Xylem               done clear
  B)
         Phloem done clear
  C)
  Cambium       done clear
  D)
         Collenchyma done clear
  View Solution play_arrow

• question_answer39)
  What happens in plants during vascularisation?
  A)
  Differentiation of procambium, formation of primary phloem followed by formation of primary xylem. done clear
  B)
  Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously. done clear
  C)
  Formation of procambium, primary phloem and xylem simultaneously. done clear
  D)
  Differentiation of procambium followed by the formation of secondary xylem. done clear
  View Solution play_arrow

• question_answer40)
  In Cucurbita, stem vascular bundles are:
  A)
  Radial            done clear
  B)
         Collateral done clear
  C)
  Concentric        done clear
  D)
  Bicollateral done clear
  View Solution play_arrow

• question_answer41)
  In Bougainvillea, the primary vascular bundles lie scattered. A cambium ring is formed:
  A)
  from the pericycle done clear
  B)
  from intra fascicular cambium done clear
  C)
  just outside the primary bundles done clear
  D)
  by inter and intra fascicular cambia done clear
  View Solution play_arrow

• question_answer42)
  When phloem and cambium are present on both sides of xylem, the vascular bundle is called:
  A)
  Bicollateral     done clear
  B)
  Radial done clear
  C)
  Concentric        done clear
  D)
  Collateral done clear
  View Solution play_arrow

• question_answer43)
  Which of the following figure is a type of permanent tissue having many different types of cell?
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer44)
  Match column-I with column-II and select the correct answer using the options given below.

  	Column-I		Column-II
  A.	Xylem vessels	I.	Store food materials
  B.	Xylem tracheids	II.	Obliterated lumen
  C.	Xylem fibre	III.	Perforated plates
  D.	Xylem parenchyma	IV.	Chisel-like ends

             
  A)
  A-IV;      B-III;      C-II;     D-I done clear
  B)
  A-III;      B-II;       C-I;      D-IV done clear
  C)
  A-II;       B-I;        C-IV;    D-III done clear
  D)
  A-III;     B-IV;     C-II;      D-I done clear
  View Solution play_arrow

• question_answer45)
  Which of the following statement(s) is/are correct?

  (i) Uneven thickening of cell wall is characteristic of sclerenchyma.

  (ii) Periblem forms cortex of the stem and the root.

  (iii) Tracheids are the chief water transporting elements in gymnosperms.

  (iv) Companion cell is devoid of nucleus at maturity.

  (v) The commercial cork is obtained from Quercus suber.

  A)
  (i) and (iv) only done clear
  B)
  (ii) and (v) only done clear
  C)
  (iii) and (iv) only done clear
  D)
  (ii), (iii) and (v) only done clear
  View Solution play_arrow

• question_answer46)
  How many growth rings should be develop per year in a plant grown in Rajasthan with four distinct seasons (viz, summer, rain, winter and spring)?
  A)
  Four                              done clear
  B)
  Two done clear
  C)
  One                  done clear
  D)
         None of these done clear
  View Solution play_arrow

• question_answer47)
  Extrastelar secondary growth takes place by:
  A)
  Vascular cambium done clear
  B)
  Phellogen done clear
  C)
  Phellem done clear
  D)
  Phelloderm done clear
  View Solution play_arrow

• question_answer48)
  The cork of commerce comes from:
  A)
  Quercus suber done clear
  B)
  Quercus incana done clear
  C)
  Quercus ithaburensis done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer49)
  The pneumatophores have openings called:
  A)
  Stomata          done clear
  B)
         Lenticels done clear
  C)
  Hydathodes      done clear
  D)
         All of these done clear
  View Solution play_arrow

• question_answer50)
  Phloem parenchyma are absent in:
  A)
  Dicots            done clear
  B)
         Monocots done clear
  C)
  Gymnosperms     done clear
  D)
         All of these done clear
  View Solution play_arrow

• question_answer51)
  Match column-I with column-II and choose the correct option.

  	Column-I		Column-II
  A.	Spring wood or wood	I.	Lighter in colour early
  B.	Autumn wood or late wood	II.	High density
  		III.	Low density
  		IV.	Darker in colour
  		V.	Larger number of xylem elements
  		VI.	Vessels with wider cavity
  		VII.	Lesser number of xylem elements
  		VIII.	Vessels with small cavity

  Which of the following combination is correct?
  A)
  A - II; IV; VII; VIII;      B - I; III; V; VI done clear
  B)
  A - I; II; VII; VIII;         B - III; IV; V; VI done clear
  C)
  A - I; III; V; VI;            B - II; IV; VII; VIII done clear
  D)
  A - I; III; VII; VIII;         B - II; IV; V; VI done clear
  View Solution play_arrow

• question_answer52)
  In monocots, root cap is formed by:
  A)
  Dermatogen     done clear
  B)
  Calyptrogen done clear
  C)
  Wound cambium done clear
  D)
  Vascular cambium done clear
  View Solution play_arrow

• question_answer53)
  In woody dicotyledons, the arrangement of vessels is either diffuse porous or ring porous. Based on the these data, which one of the following statements is correct?
  A)
  Ring porous vessels are specialised and are used for conducting more water for a shorter period only, when trioses occur early in the vessels. done clear
  B)
  Although diffuse porous vessels are not so specialised as ring porous vessels, they conduct more water at all periods and through new xylem vessels added gradually during development. done clear
  C)
  Diffuse porous vessels carry more water and also faster because of a greater number of small vessels having greater capillary force. done clear
  D)
  Ring porous vessels conduct more water as they are formed early during development, when the need for water is great. done clear
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• question_answer54)
  Periderm is formed from:
  A)
  Vascular cambium done clear
  B)
  Phellogen done clear
  C)
  Fascicular cambium done clear
  D)
  Interfascicular cambium done clear
  View Solution play_arrow

• question_answer55)
  Annual rings are the bands of:
  A)
  secondary cortex and cork done clear
  B)
  all secondary vascular tissues done clear
  C)
  secondary xylem and xylem rays done clear
  D)
  secondary phloem and medullary rays done clear
  View Solution play_arrow

• question_answer56)
  Secondary growth in the dicot stems is possible because of the presence of:
  A)
  Xylem done clear
  B)
  Phloem done clear
  C)
  Cambium done clear
  D)
  Medullary rays done clear
  View Solution play_arrow

• question_answer57)
  Which of the following meristem is responsible for extrastelar secondary growth in dicotyledonous stem?
  A)
  Phellogen done clear
  B)
  Intra fascicular cambium done clear
  C)
  Inter fascicular cambium done clear
  D)
  Intercalary meristem done clear
  View Solution play_arrow

• question_answer58)
  Periblem form:
  A)
  Endodermis done clear
  B)
  Cortex done clear
  C)
  Both (a) and (b) done clear
  D)
  Epidermis done clear
  View Solution play_arrow

• question_answer59)
  Choose the correct answer for 1 to 6 labelling in the given figure.
  A)
  1 -Phellem, 2-Phellogen, 3 -Medullary rays, 4 - Secondary xylem, 5 - Secondary phloem, 6 - Cambium ring done clear
  B)
  1 -Phellem, 2-Phellogen,3-Medullary rays, 4 - Secondary phloem, 5 - Secondary xylem, 6 - Cambium ring done clear
  C)
  1 -Phellogen, 2-Phellem, 3 -Medullary rays, 4 - Secondary xylem, 5 - Secondary phloem, 6 - Cambium ring done clear
  D)
  1 -Phellem, 2-Phellogen, 3 -Cambiumring, 4 - Secondary xylem, 5 - Secondary phloem, - Medullary rays done clear
  View Solution play_arrow

• question_answer60)
  Identify 1, 2 and 3 in the given figure of shoot apical meristem
  A)
  1 - Leaf primordium, 2 - Shoot apical meristem, 3 - Axillary bud done clear
  B)
  1 - Leaf primordium, 2 - Shoot apical meristem, 3 - Apical bud done clear
  C)
  1 - Root hair primordium, 2 - Root apical meristem, 3 - Axillary bud done clear
  D)
  1 - Root hair primordium, 2 - Root apical meristem, 3 - Terminal bud done clear
  View Solution play_arrow

• question_answer61)
  Select the combination of correct statements from the options given below.

  (i) Annual rings are formed as a result of seasonal environmental conditions.

  (ii) Tracheid's/vessels elements are larger during periods when water is abundant.

  (iii) Tracheid's/vessels elements have thicker wall during periods of water deprivation.

  (iv) Wood formed in the previous years is darker than newer wood.

   
  A)
  (i) and (ii) done clear
  B)
  (ii) and (iv) done clear
  C)
  (i), (ii) and (iii) done clear
  D)
  (ii), (iii) and (iv) done clear
  View Solution play_arrow

• question_answer62)
  When secondary growth is initiated in dicot stem what will happen first?
  A)
  The cells of cambium divide periclinally to form xylem mother cells. done clear
  B)
  Inter fascicular cambium join with intra fascicular cambium. done clear
  C)
  Parenchymatous cells present between vascular bundle become meristematic. done clear
  D)
  Pith get obliterated. done clear
  View Solution play_arrow

• question_answer63)
  Protective layer found at the site of abscission is:
  A)
  Parenchymatous done clear
  B)
  Collenchymatous done clear
  C)
  Sclerenchymatous done clear
  D)
  Suberised done clear
  View Solution play_arrow

• question_answer64)
  Endodermal cells can be distinguished by the presence of:
  A)
  Cambium cells done clear
  B)
  Elongated cells done clear
  C)
  Thin-walled cells done clear
  D)
  Barrel-shaped cells done clear
  View Solution play_arrow

• question_answer65)
  The closing layers in a lenticel may show the deposition of:
  A)
  Cutin             done clear
  B)
         Pectin done clear
  C)
  Lignin            done clear
  D)
         Suberin done clear
  View Solution play_arrow

• question_answer66)
  Which of the dorsiventral leaf has a multilayered epidermis?
  A)
  Mulberry        done clear
  B)
         Banyan done clear
  C)
  Nerium              done clear
  D)
  Eucalyptus done clear
  View Solution play_arrow

• question_answer67)
  A meristem may be defined as the group of cells that:
  A)
  add to the bulk of the plants. done clear
  B)
  conserve food. done clear
  C)
  divide continuously to give rise to new cells. done clear
  D)
  elongate and add to the group of cells. done clear
  View Solution play_arrow

• question_answer68)
  Xylem fibre is:
  A)
  Bast fibre        done clear
  B)
         Wood fibre done clear
  C)
  Heart wood      done clear
  D)
         Libriform fibre done clear
  View Solution play_arrow

• question_answer69)
  The only plant cells without nuclei among following are:
  A)
  Cambium cells   done clear
  B)
         Xylem vessels done clear
  C)
  Root hairs          done clear
  D)
  Companion cells done clear
  View Solution play_arrow

• question_answer70)
  Totipotency is present in:
  A)
  Meristem        done clear
  B)
         Xylem done clear
  C)
  Phloem          done clear
  D)
         Cork done clear
  View Solution play_arrow

• question_answer71)
  Collenchyma is present in:
  A)
  Herbaceous monocots done clear
  B)
  Herbaceous dicots done clear
  C)
  All herbaceous plants done clear
  D)
  Pteridophytes and monocots done clear
  View Solution play_arrow

• question_answer72)
  In the given figure of phloem tissue, identify the marked part (1, 2 and 3) which help in maintaining the pressure gradient in the sieve tubes.
  A)
  1                      done clear
  B)
  2 done clear
  C)
  3                done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer73)
  The given figure shows T.S. of monocot stem. Identify the correct labelling of 1 to 6 marked in the given figure.
  A)
  1 - Epidermis, 2 - Hypodermis, 3 - Vascular bundles, 4 - Phloem, 5 - Xylem, 6 - Ground tissue done clear
  B)
  1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous sheath, 4 - Sclerenchymatous hypodermis, 5 - Parenchymatous done clear
  C)
  sheath, 6 - Phloem 1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous hypodermis, 4 - Sclerenchymatous sheath, 5 - Parenchymatous done clear
  D)
  sheath, 6 - Phloem 1 - Cuticle, 2 - Epidermis, 3 - Sclerenchymatous hypodermis, - Sclerenchymatous sheath, 5 - Parenchymatous sheath, 6 - Protoxylem done clear
  View Solution play_arrow

• question_answer74)
  Match column-I with column-II and choose the correct option.

  	Column-I		Column-II
  A.	Bull form cells	I.	Initiation of lateral roots
  B.	Pericycle	II.	Root
  C.	Endarchxylem	III.	Grasses
  D.	Exarch xylem	IV.	Dicot leaf
  E.	Bundle sheath cells	V.	Stem

             
  A)
  A-II;      B-V;      C-IV;       D-I;      E-IV done clear
  B)
  A-II;      B-V;      C-I;         D-III;     E-IV done clear
  C)
  A-II;      B-IV;     C-I;         D-III;      E-V done clear
  D)
  A-III;     B-I;       C-V;       D-II;       E-IV done clear
  View Solution play_arrow

• question_answer75)
  Which of the following statements are correct about phloem?

  (i) Phloem transports food materials, usually from roots to the other parts of the plant.

  (ii) It is composed of sieve tube elements, companion cells, and phloem parenchyma and phloem fibres.

  (iii) The companion cells are specialised parenchymatous cells which are closely associated with phloem parenchyma.

  (iv) The first formed primary phloem consists of narrow sieve tubes and referred to as protophloem and the later formed phloem has bigger sieve tubes and referred to as met phloem.

  A)
  Both (i) and (iv) done clear
  B)
  Both (ii) and (iii) done clear
  C)
  Both (ii) and (iv) done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer76)
  Read the following statements and answer the question.

  (i) Cambium is very active and produces a large number of axillary elements having vessels with wider cavities.

  (ii) It is also called early wood.

  (iii) It is lighter in colour and has lower density.

  Which type of wood is described by the above statements?

  A)
  Sap wood          done clear
  B)
         Heart wood done clear
  C)
  Spring wood     done clear
  D)
         Autumn wood done clear
  View Solution play_arrow

• question_answer77)
  If there is more than one tunica layer in a stem apex, which among the following is most likely to happen?
  A)
  All the layers will develop into epidermal cells. done clear
  B)
  Only the outer layer will develop into epidermal cells. done clear
  C)
  All the layers will develop into cortex. done clear
  D)
  Inner layer develops into cortex. done clear
  View Solution play_arrow

• question_answer78)
  Which type of meristem is an example of vascular cambium of the root?
  A)
  Apical               done clear
  B)
         Intercalary done clear
  C)
  Secondary     done clear
  D)
         Root apical done clear
  View Solution play_arrow

• question_answer79)
  Which combination of tissues acts together to provide the support to the hypocotyl of seedling?
  A)
  Xylem and phloem fibres done clear
  B)
  Epidermis and parenchyma done clear
  C)
  Xylem and parenchyma done clear
  D)
  Epidermis and collenchyma done clear
  View Solution play_arrow

• question_answer80)
  P-protein belongs to:
  A)
  Xylem parenchyma done clear
  B)
  Trichomes done clear
  C)
  Sieve tube elements done clear
  D)
  Tracheids and vessels done clear
  View Solution play_arrow

• question_answer81)
  The Tunica Corpus Theory was proposed by:
  A)
  Nageli                done clear
  B)
         Hanstein done clear
  C)
  Schmidt         done clear
  D)
         Haberlandt done clear
  View Solution play_arrow

• question_answer82)
  Diffuse porous woods are characteristic of plants growing in:
  A)
  Tropics done clear
  B)
  Alpine region done clear
  C)
  Temperate climate done clear
  D)
  Cold winter regions done clear
  View Solution play_arrow

• question_answer83)
  T.S. of monocot leaf is given below, certain parts have been marked by alphabets (1 - 7). Which one is the option showing there correct labelling?
  A)
  1 - Adaxial epidermis, 2 - Xylem, 3 - Mesophyll, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Stoma, 7 - Phloem done clear
  B)
  1 - Adaxial epidermis, 2 -Abaxial epidermis, 3 - Xylem, 4 - Sub-stomatal cavity, 5 - Stoma, 6 - Mesophyll, 7 - Phloem done clear
  C)
  1 - Adaxial epidermis, 2 - Phloem, 3 - Mesophyll, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Xylem, 7 - Stoma done clear
  D)
  1 - Adaxial epidermis, 2 - Xylem, 3 - Stoma, 4 - Sub-stomatal cavity, 5 - Abaxial epidermis, 6 - Phloem, 7 - Mesophyll done clear
  View Solution play_arrow

• question_answer84)
  The given figure shows the T.S of dicot root. Some parts are marked as 1, 2, 3, 4, 5, & 6. Choose the option which shows the correct labelling of marked part.                                                                                                                                                                                                                                                                                                                                                             
  A)
  1 - Epiblema, 2 - Root hair, 3 - Cortex, 4 - Endodermis, 5 - Pith, 6 - Pericycle done clear
  B)
  1 - Cortex, 2 - Pith, 3 - Epiblema, 4 - Endodermis, 5 - Root hair, 6 - Pericycle                             ; done clear
  C)
  1 - Epiblema, 2 - Endodermis, 3 - Cortex, 4 - Root hair, 5 - Pith, 6 - Pericycle done clear
  D)
  1 - Cortex, 2 - Epiblema, 3 - Pith, 4 - Endodermis, 5 - Root hair, 6 - Pericycle done clear
  View Solution play_arrow

• question_answer85)
  Which anatomy of plants is being described by the statements given below?

  (i) The cortex consists of several layers of thin-walled parenchyma cells with intercellular spaces.

  (ii) The tangential as well as radial walls of the endodermal cells have a deposition of water-impermeable, waxy materialsuberin, in form of casparian strips.

  (iii) Secondary growth takes place.

  (iv) Pith is small or inconspicuous.

  A)
  Dicotyledonous root done clear
  B)
  Monocotyledonous root done clear
  C)
  Dicotyledonous stem done clear
  D)
  Monocotyledonous stem done clear
  View Solution play_arrow

• question_answer86)
  Which of the following statements is correct?
  A)
  Lenticels occur in most woody trees. done clear
  B)
  Sclerenchymatous cells are usually present in cortex. done clear
  C)
  The vascular tissue system is divided into three main zones- cortex, pericycle and pith. done clear
  D)
  The conjoint vascular bundles usually have the xylem located only on the outer side of the phloem. done clear
  View Solution play_arrow

• question_answer87)
  Which one of the following statement is incorrect?

  (i) Epidermal cell has small amount of cytoplasm and a large vacuole.

  (ii) Waxy cuticle layer is absent in roots.

  (iii) Root hairs are unicellular, while stem hairs/ trichomes are multicellular.

  (iv) Trichomes may be branched or unbranched, soft or stiff and prevent transpiration.

  (v) Guard cells are dumbbell shaped in dicots and bean-shaped in monocots (e.g., grass).

  A)
  Only (i)          done clear
  B)
         Only (iv) done clear
  C)
  Only (iii)        done clear
  D)
         Only (v) done clear
  View Solution play_arrow

• question_answer88)
  Maximum growth in root occurs:
  A)
  at its tip          done clear
  B)
         towards light done clear
  C)
  behind the apex  done clear
  D)
         towards apex done clear
  View Solution play_arrow

• question_answer89)
  In Aristolochia, the pericycle is:
  A)
  Parenchymatous done clear
  B)
  Collenchymatous done clear
  C)
  Aerenchymatous done clear
  D)
  Sclerenchymatous done clear
  View Solution play_arrow

• question_answer90)
  The concept envisaging three distinct zones of cells of new tissue builders at the stem and root apices is known as:
  A)
  Tunica corpus theory done clear
  B)
  Dermatogen done clear
  C)
  Meristem theory done clear
  D)
  Histogen theory done clear
  View Solution play_arrow

• question_answer91)
  Leaf primordium grows into adult lamina by means of:
  A)
  Marginal meristem done clear
  B)
  Lateral meristem done clear
  C)
  First apical and then marginal meristems done clear
  D)
  Apical meristem done clear
  View Solution play_arrow

• question_answer92)
  The tracheids differ from vessels in having:
  A)
  Thick wall done clear
  B)
  Bordered pit done clear
  C)
  Presence of pitted end wall done clear
  D)
  Spiral thickening done clear
  View Solution play_arrow

• question_answer93)
  Embryo of a seed is made up of:
  A)
  Meristematic tissue          done clear
  B)
  Parenchyma done clear
  C)
  Collenchyma     done clear
  D)
         Sclerenchyma done clear
  View Solution play_arrow

• question_answer94)
  Non-porous wood is found in:
  A)
  Dicots                done clear
  B)
         Monocots done clear
  C)
  Gymnosperm    done clear
  D)
         Cactus done clear
  View Solution play_arrow

• question_answer95)
  Most distinct annual rings are formed in:
  A)
  Tropical region   done clear
  B)
         Temperate region done clear
  C)
  Arctic region     done clear
  D)
         Equatorial region done clear
  View Solution play_arrow

• question_answer96)
  Which will decay faster if exposed freely to the air?
  A)
  Heartwood done clear
  B)
  Sapwood done clear
  C)
  Wood with lots of fibres done clear
  D)
  Softwood done clear
  View Solution play_arrow

• question_answer97)
  Diffuse porous woods are characteristic of plants growing in:
  A)
  Tropics done clear
  B)
  Alpine region done clear
  C)
  Temperate climate done clear
  D)
  Cold winter regions done clear
  View Solution play_arrow

• question_answer98)
  Which one of the followings option is correct for a lenticel?
  A)
  1 - Pore, 2 - Secondary cortex, 3 - Cork cambium, 4 - Cork, 5 - Complimentary cells done clear
  B)
  1 - Pore, 2 - Cork cambium, 3 - Secondary cortex, 4 - Cork, 5 - Complimentary cells done clear
  C)
  1 - Pore, 2 - Cork, 3 - Complimentary cells, 4 - Cork cambium, 5 - Secondary cortex done clear
  D)
  1 - Pore, 2 - Complimentary cells, 3 - Cork, 4 - Cork cambium, - Secondary cortex done clear
  View Solution play_arrow

• question_answer99)
  Which of the following pair is incorrectly matched?
  A)
  Pith - Large and well developed in monocotyledonous root. done clear
  B)
  Root hairs - Helps in preventing water loss due to transpiration. done clear
  C)
  Sieve tube elements - Its functions are controlled by the nucleus of companion cells. done clear
  D)
  Stomatal apparatus - Consists of stomatal aperture, guard cells and surrounding subsidiary cells. done clear
  View Solution play_arrow

• question_answer100)
  Read the following statements and answer the questions.

  (i) It is made up of elongated, tapering cylindrical cells which have dense cytoplasm and nucleus.

  (ii) The cell wall is composed of cellulose and has pits through which Plasmodesmata connections exist between the cells.

  (iii) It is absent in most of the monocotyledons.

  Which part of plant tissue is being described by the above statements?

  A)
  Sieve tube elements done clear
  B)
  Companion cells done clear
  C)
  Phloem parenchyma done clear
  D)
  Phloem fibres done clear
  View Solution play_arrow

• question_answer101)
  Match column-I with column-II and select the correct option from the codes given below.

  	Column-I		Column-II
  A.	Stele	I.	Innermost layer of cortex
  B.	Endodermis	II.	Suberin
  C.	Caesarian	III.	All the tissues exterior to vascular cambium
  D.	Bark	IV.	All the tissues

             
  A)
  A-IV;       B-I;        C-II;       D-III done clear
  B)
  A-III;        B-II;        C-I;      D-IV done clear
  C)
  A-I;          B-II;        C-III;     D-IV done clear
  D)
  A-IV;       B-II;         C-I;      D-III done clear
  View Solution play_arrow

• question_answer102)
  The quiescent centre in root meristem serves as:
  A)
  region for absorption of water. done clear
  B)
  reservoir of growth hormones. done clear
  C)
  reserve for replenishment of damaged cells of the meristem. done clear
  D)
  site for storage of food which is utilised during maturation. done clear
  View Solution play_arrow

• question_answer103)
  Root cap is not found in:
  A)
  Lithophytes      done clear
  B)
         Xerophytes done clear
  C)
  Hydrophytes     done clear
  D)
         Mesophytes done clear
  View Solution play_arrow

• question_answer104)
  Identify the types of simple tissue indicated by 1, 2, 3 and 4 and their function.
  A)
  1 - Parenchyma; Photosynthesis, Storage and Secretion. done clear
  B)
  2 - Sclerenchyma, Sclereid; Transport food material. done clear
  C)
  3 - Collenchyma; Provides mechanical support to organs. done clear
  D)
  4 - Sclerenchyma Fibres; Provide mechanical support to the growing parts of the plant such as young stem and petiole of a leaf. done clear
  View Solution play_arrow

• question_answer105)
  Lignin is a component of the secondary cell walls of:
  A)
  Epidermis done clear
  B)
  Collenchyma done clear
  C)
  Sclerenchyma done clear
  D)
  Parenchyma done clear
  View Solution play_arrow

• question_answer106)
  Collenchyma differs from Sclerenchyma in:
  A)
  having sclereids done clear
  B)
  having thick walls done clear
  C)
  having inside lumen done clear
  D)
  retaining protoplasm at maturity done clear
  View Solution play_arrow

• question_answer107)
  "Bast-fibers" obtained from which part of woody stem?
  A)
  Cork done clear
  B)
  Cortex done clear
  C)
  Xylem done clear
  D)
  Phloem done clear
  View Solution play_arrow

• question_answer108)
  In trees, the growth rings represent:
  A)
  Primary xylem done clear
  B)
  Secondary xylem done clear
  C)
  Secondary phloem done clear
  D)
  Cambium done clear
  View Solution play_arrow