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Set 3 of 3 · Questions 61-75 of 75

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NEET Biology · Anatomy of Flowering Plants · Set 3 (Q61-75)

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  1. 61.
    Heartwood differs from sapwood in :
    1. (1)Being susceptible to pests and pathogens
    2. (2)Presence of rays and fibres
    3. (3)Absence of vessels and parenchyma
    4. (4)Having dead and non-conducting elements
  2. 62.
    Select the correct pair.
    1. (1)Large colorless empty – Subsidiary cells cells in the epidermis of grass leaves
    2. (2)In dicot leaves, vascular – Conjunctive bundles are surrounded tissue by large thick-walled cells
    3. (3)Cells of medullary rays – Interfascicular that form part of cambium cambial ring
    4. (4)Loose parenchyma cells – Spongy rupturing the epidermis parenchyma and forming a lens- shape opening in bark
  3. 63.
    Closed vascular bundles lack
    1. (1)Ground tissue
    2. (2)Conjunctive tissue
    3. (3)Cambium
    4. (4)Pith
  4. 64.
    Read the following statements about the vascular bundle
    A. In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
    B. Conjoint closed vascular bundles do not possess cambium.
    C. In open vascular bundles, cambium is present in between xylem and phloem.
    D. The vascular bundles of dicotyledonous stem possess endarch protoxylem.
    E. In monocotyledonous root, usually there are more than six xylem bundles present.
    Choose the correct answer from the options given below:
    1. (1)A, C, D and E Only
    2. (2)A, B and C Only
    3. (3)B, C, D and E Only
    4. (4)A, B, C and D Only
  5. 65.
    Xylem translocates :-
    1. (1)Water only
    2. (2)Water and mineral salts only
    3. (3)Water, mineral salts and some organic nitrogen only
    4. (4)Water, mineral salts, some organic nitrogen and hormones
  6. 66.
    Ground tissue includes :-
    1. (1)All tissues external to endodermis
    2. (2)All tissues except epidermis and vascular bundles
    3. (3)Epidermis and cortex
    4. (4)All tissues internal to endodermis
  7. 67.
    Age of a tree can be estimated by:
    1. (1)Its height and girth
    2. (2)Biomass
    3. (3)Number of annual rings
    4. (4)Diameter of its heartwood
  8. 68.
    In a ring girdled plant:
    1. (1)The root dies first
    2. (2)The shoot and root die together
    3. (3)Neither root nor shoot will die
    4. (4)The shoot dies first
  9. 69.
    Ground tissue includes:
    1. (1)All tissues except epidermis and vascular bundles
    2. (2)Epidermis and cortex
    3. (3)All tissues internal to endodermis
    4. (4)All tissues external to endodermis
  10. 70.
    Stomata in grass leaf are
    1. (1)Dumb-bell shaped
    2. (2)Kidney shaped
    3. (3)Rectangular
    4. (4)Barrel shaped
  11. 71.
    Closed vascular bundles lack :-
    1. (1)Cambium
    2. (2)Pith
    3. (3)Ground tissue
    4. (4)Conjuctive tissues
  12. 72.
    Lenticels are involved in :
    1. (1)Photosynthesis
    2. (2)Transpiration
    3. (3)Gaseous exchange
    4. (4)Food transport
  13. 73.
    Cortex is the region found between:
    1. (1)Pericycle and endodermis
    2. (2)Endodermis and pith
    3. (3)Endodermis and vascular bundle
    4. (4)Epidermis and stele
  14. 74.
    Phloem in gymnosperms lacks:
    1. (1)Albuminous cells and sieve cells
    2. (2)Sieve tubes only
    3. (3)Companion cells only
    4. (4)Both sieve tubes and companion cells
  15. 75.
    Lenticels are involved in:
    1. (1)Transpiration
    2. (2)Gaseous exchange
    3. (3)Food transport
    4. (4)Photosynthesis