Q.1.
on 323 Embryo develops from
Q.2.
on 324 Nucellus in seed is represented by
Q.3.
on 325 2 to 3 celled male gametophyte, starts its further development after pollination
Q.4.
on 326 Which of the following statements is false regarding Vallisneria?
Q.5.
on 327 Double fertilization and triple fusion were discovered by:
Q.6.
on 328 Endospermic seeds are found in:
Q.7.
on 329 Flowers, which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
Q.8.
on 330 In Angiosperms, female gametophyte is:
Q.9.
on 331 Ruminate endosperm is found in:
Q.10.
on 332 Pollen tube enters the embryo sac through
Q.11.
on 333 After fertilization the ovule develops into
Q.12.
on 334 . Seeds of orchids are:
Q.13.
dentify the most advanced tapetum:
Q.14.
on336 Transfer of pollen to the stigma is called
Q.15.
on 337 Unisexual flowers prevent
Q.16.
on 338 Pollen tube is formed by
Q.17.
on 339 In an angiosperm, the pollen mother cells are differentiated from:
Q.18.
on 340 Stamen is a modification of
Q.19.
on 341 How many cells are formed in a mature female gametophyte ?
Q.20.
on 342 Pro-embryo is a
Q.21.
on 343 Out of the four sets of appendages of a typical flower the outer two sets are
Q.22.
on 344 The function of the filiform apparatus is
Q.23.
on 345 Embryo of flowering plant is always -
Q.24.
on 346 Pollen tube enters the micropyle into through
Q.25.
on 347 . How many megaspore mother cell are produced in a nucellus ?
Q.26.
on 348 Which of the following cell is diploid?
Q.27.
on 349 Future sporophytic generation in a seed is
Q.28.
on 350 Cells of nucellus are always
Q.29.
on 351 How many haploid nuclei are involved in double fertilization ?
Q.30.
on 352 . Plant embryo develops from.
Q.31.
on 353 The protective cover of the radicle in maize seed is called
Q.32.
on 354 Radicle tip is derived from
Q.33.
on 355 The mature pollen grain contains