Rhizomes are horizontal underground

  • roots
  • leaves
  • shoot
  • stem

Enlarged portions of an underground stem are called

  • bulbs
  • corms
  • rhizomes
  • stem tubers

The plants that propagated by planting stem cuttings are

  • broccoli plants
  • roses and grapevines
  • peach trees
  • plum trees

The type of asexual reproduction in which new offspring is developed by the unfertilized egg is called

  • fragmentation
  • parthenogenesis
  • vegetative propagation
  • spore formation

The enlarged part of the rhizome (underground stem) is called

  • leaves tubules
  • shoot tubers
  • root tubers
  • stem tubers

Horizontal underground stems with scale leaves are called

  • bulbs
  • corms
  • rhizomes
  • stem tubers

In the female rabbit, the embryo develops into offsprings within

  • 20 to 30 days
  • 30 to 33 days
  • 30 to 34 days
  • 30 to 32 days

The stamens of insect-pollinated flowers are

  • hang out
  • open
  • fused
  • enclosed

A scar on seed coat is called

  • Plumule
  • radicle
  • hilum
  • none of above

The way of vegetative propagation in which fleshy and thick leaves surrounds the short underground stems is classified as

  • corms
  • rhizomes
  • root tubers
  • bulbs

After the production of embryo and endosperm tissue, the ovule turns into

  • stems
  • roots
  • seed
  • fruit

The process which undergoes in secondary spermatocytes is classified as

  • meiosis-II
  • meiosis-I
  • mitosis-II
  • mitosis-I

Considering the whorls of plants, the gynoecium is classified as

  • fourth whorl
  • third whorl
  • second whorl
  • first whorl

The ratio of fluid and sperms (respectively) in semen is

  • 85% and 15%
  • 75% and 25%
  • 90% and 10%
  • 70% and 30%

In flowers, the outer whorls are classified as

  • haploid whorls
  • diploid whorls
  • non-reproductive whorls
  • reproductive whorls

The specialized organs in which egg cells or sperms are produced are called

  • gonads
  • testes
  • ovaries
  • sperms

The phenomena in which the sporophyte and gametophyte generations alter each other in the plant life cycle is called

  • fragmentation of generations
  • alternation of generations
  • cloning of generations
  • grafting of generations

The haploid macrospore is produced by meiosis inside each

  • ovule
  • stamen
  • anther
  • carpel

The spore sacs are thickly walled formed by the body cells of Rhizopus at its reproductive age are called

  • sporangia
  • spores
  • cysts
  • endosperms

Tulips and onions reproduce by

  • corms
  • spores
  • bulbs
  • rhizomes

The part of the uterus where sperms are deposited is called

  • fallopian tubes
  • opening of birth canal
  • opening of urethra
  • cervix

The parts of angiosperms seeds include

  • seed coat
  • endosperm tissue
  • an embryo
  • all of above

Each macrospore produce egg cell through

  • mitosis
  • meiosis
  • budding
  • cloning

The endosperm nucleus is

  • haploid
  • diploid
  • triploid
  • tetraploid

The portion of the uterus which separates it from birth canal is called

  • vagina
  • horn
  • seminiferous tubule
  • cervix

The daughter cells formed after the cell division in each sporangium are called

  • cysts
  • endosperms
  • sporangia
  • spores

The tube constructed by tube nucleus of the pollen grains after reaching to stigma is called

  • pollen tube
  • stamen tube
  • carpel tube
  • sepal tube

The embryonic stem located below the cotyledon attachment point is called

  • Plumule
  • epicotyls
  • hypocotyls
  • radicle

Through which of the following planaria reproduces?

  • spore formation
  • fragmentation
  • budding
  • binary fission

The follicle cells provide nourishment to each

  • sperm
  • egg cell
  • ovary
  • testis
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