B_T_2015_02_

(Michael S) #1
(a) V → I → IV → II → III → VII → VI → VIII
(b) VIII → V → II → IV → III → VII → VI → I
(c) I → II → IV → V → VIII → III → VII → VI
(d) VIII → I → V → II → IV → III → VI → VII


  1. Select the correct statement regarding partheno-
    carpy.
    (a) Vegetative parthenocarpy is present in pear and
    Fig.
    (b) Banana, grapes and orange have been
    altered genetically to undergo parthenocarpic
    development.
    (c) Auxins and gibberellins are used to induce
    parthenocarpy in different plants.
    (d) All of these.

  2. In angiosperms, normally after fertilization
    (a) the zygote divides earlier than the primary
    endosperm nucleus
    (b) the primary endosperm nucleus divides earlier
    than the zygote
    (c) both the zygote and primary endosperm nuclei
    divide simultaneously
    (d) both the zygote and primary endosperm nuclei
    undergo a resting period.

  3. Mature ovules are classified on the basis of funiculus. If
    micropyle comes to lie close to the funiculus the ovule
    is termed as
    (a) orthotropous (b) anatropous
    (c) hemitropous (d) campylotropous.

  4. Which one of the following events takes place after
    double fertilization?
    (a) The pollen grain germinates on the stigma.
    (b) The pollen tube enters the embryo sac.
    (c) Two male gametes are discharged into the
    embryo sac.
    (d) The PEN (Primary Endosperm Nucleus) develops
    into endosperm.

  5. Select the mis-matched option.
    (a) Cannabis-Anemophily
    (b) Zostera - Hydrophily
    (c) Salvia - Entomophily
    (d) Adansonia - Ornithophily

  6. How many pollen mother cells should undergo meiotic
    division to produce 64 pollen grains?
    (a) 64 (b) 32 (c) 16 (d) 8

  7. Given below are the events that are observed in an
    artificial hybridization programme. Arrange them in
    the correct sequential order and select the correct
    option.

  8. Re-bagging;

  9. Selection of parents;

  10. Bagging;

  11. Dusting the pollen on stigma;

  12. Emasculation;

  13. Collection of pollen from male parent
    (a) 2 → 3 → 5 → 6 → 4 → 1
    (b) 2 → 5 → 3 → 6 → 4 → 1
    (c) 5 → 2 → 3 → 6 → 1 → 4
    (d) 2 → 3 → 6 → 4 → 5 → 1.

  14. In given figure find out scutellum, coleoptile and
    radicle.


(a) A, B and E (b) E, D and F
(c) F, B and G (d) G, A and B


  1. Identify A to E in the following diagram.


(a) A-Epidermis, B-Endodermis, C-Connective tissue,
D-Sporogenous tissue, E-Middle layer, F-Tapetum
(b) A-Endodermis, B-Connective tissue, C-Epidermis,
D-Tapetum, E-Sporogenous tissue, F-Middle layer
(c) A-Tapetum, B-Middle layer, C-Sporogenous tissue,
D-Connective tissue, E-Endodermis, F-Epidermis
(d) A-Connective tissue, B-Epidermis, C-Endothecium,
D-Sporogenous tissue, E-Tapetum, F-Middle layer


  1. Identify the type of gynoecium represented by the given
    diagram.

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