Q.1
on 323 Embryo develops from
  • a) Egg cell
  • b) Zygote
  • c) Egg-apparatus
  • d) Synergids
Q.2
on 324 Nucellus in seed is represented by
  • a) Testa
  • b) Peri carp
  • c) Tagmen
  • d) Seed Coat
Q.3
on 325 2 to 3 celled male gametophyte, starts its further development after pollination
  • a) In the style
  • b) In the ovary
  • c) on the stigma
  • d) In the ovule
Q.4
on 326 Which of the following statements is false regarding Vallisneria?
  • a) Dioecious
  • b) Epihydrophily
  • c) Endospermous
  • d) Monocot
Q.5
on 327 Double fertilization and triple fusion were discovered by:
  • a) Winkler
  • b) Nawaschin
  • c) Strasburger
  • d) Leeuwenhoek
Q.6
on 328 Endospermic seeds are found in:
  • a) Gram
  • b) Castor
  • c) Bean
  • d) Pea
Q.7
on 329 Flowers, which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
  • a) water
  • b) bee
  • c) wind
  • d) bat
Q.8
on 330 In Angiosperms, female gametophyte is:
  • a) Embryo sac
  • b) Ovule
  • c) Carpel
  • d) Nucellus
Q.9
on 331 Ruminate endosperm is found in:
  • a) Castor
  • b) Sunflower
  • c) Annona
  • d) Pea
Q.10
on 332 Pollen tube enters the embryo sac through
  • a) Integument
  • b) Micropyle
  • c) chalaza
  • d) Funicle
Q.11
on 333 After fertilization the ovule develops into
  • a) Endosperm
  • b) seed
  • c) Embryo sac
  • d) Fruit
Q.12
on 334 . Seeds of orchids are:
  • a) Endospermic
  • b) Albuminous
  • c) Non – endospermic
  • d) Both (A) and (B)
Q.13
dentify the most advanced tapetum:
  • a) Amoeboid
  • b) Glandular
  • c) Invasive
  • d) Periplasmodial
Q.14
on336 Transfer of pollen to the stigma is called
  • a) Fertilization
  • b) Germination
  • c) pollination
  • d) Gametogenesis
Q.15
on 337 Unisexual flowers prevent
  • a) Pollination
  • b) Breeding
  • c) Self-pollination
  • d) Cross fertilization
Q.16
on 338 Pollen tube is formed by
  • a) Germ pore
  • b) Exine
  • c) Style
  • d) Intine
Q.17
on 339 In an angiosperm, the pollen mother cells are differentiated from:
  • a) Sporogenous tissue
  • b) Nucellus
  • c) Parietal cells
  • d) Integument
Q.18
on 340 Stamen is a modification of
  • a) Leaf
  • b) Microsporophyll
  • c) Megasporophyll
  • d) Shoot
Q.19
on 341 How many cells are formed in a mature female gametophyte ?
  • a) Eight
  • b) Six
  • c) Two
  • d) Seven
Q.20
on 342 Pro-embryo is a
  • a) 8 celled structure
  • b) 4 celled structure
  • c) 2 celled structure
  • d) 16 celled structure
Q.21
on 343 Out of the four sets of appendages of a typical flower the outer two sets are
  • a) Fertile
  • b) Reproductive
  • c) Sterile
  • d) Filamentous
Q.22
on 344 The function of the filiform apparatus is
  • a) To nourish the pollen grain
  • b) To guide the entry of pollen tube
  • c) To develop pollen tube
  • d) To carry pollen tube through style
Q.23
on 345 Embryo of flowering plant is always -
  • a) Haploid (n)
  • b) Diploid (2n)
  • c) Triploid (3n)
  • d) Tetraploid (4n)
Q.24
on 346 Pollen tube enters the micropyle into through
  • a) Female gamete
  • b) Ovary
  • c) Female gametophyte
  • d) Nucellus
Q.25
on 347 . How many megaspore mother cell are produced in a nucellus ?
  • a) 3
  • b) 1
  • c) 2
  • d) 4
Q.26
on 348 Which of the following cell is diploid?
  • a) Synergid
  • b) Antipodal cell
  • c) Secondary nucleus
  • d) Egg cell
Q.27
on 349 Future sporophytic generation in a seed is
  • a) Cotyledon
  • b) Endosperm
  • c) Hypocotyl
  • d) Embryo
Q.28
on 350 Cells of nucellus are always
  • a) Haploid
  • b) Triploid
  • c) Diploid
  • d) Enucleated
Q.29
on 351 How many haploid nuclei are involved in double fertilization ?
  • a) Four
  • b) Two
  • c) Five
  • d) Three
Q.30
on 352 . Plant embryo develops from.
  • a) seed
  • b) Fruit
  • c) Zygote
  • d) Flower
Q.31
on 353 The protective cover of the radicle in maize seed is called
  • a) Micorhiza
  • b) Coleptile
  • c) Scutelum
  • d) Coleorhiza
Q.32
on 354 Radicle tip is derived from
  • a) Suspensor
  • b) Proembryo
  • c) Basal cell
  • d) Hypophysis
Q.33
on 355 The mature pollen grain contains
  • a) 3 cells
  • b) 7 cells
  • c) 2 cells
  • d) 1 cell
0 h : 0 m : 1 s