(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
- 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.
- 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.
- 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.
- 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.
- Select the mis-matched option.
(a) Cannabis-Anemophily
(b) Zostera - Hydrophily
(c) Salvia - Entomophily
(d) Adansonia - Ornithophily
- How many pollen mother cells should undergo meiotic
division to produce 64 pollen grains?
(a) 64 (b) 32 (c) 16 (d) 8
- 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.
- Re-bagging;
- Selection of parents;
- Bagging;
- Dusting the pollen on stigma;
- Emasculation;
- 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.
- 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
- 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
- Identify the type of gynoecium represented by the given
diagram.