A germinated microspore has

  • tube nucleus only
  • two sperms only
  • three sperms
  • tube nucleus and two sperms

The primary spermatocytes are responsible for the production of

  • two diploid spermatids
  • two haploid spermatids
  • four haploid spermatids
  • four diploid spermatids

The two sperms and tube nucleus are present in

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

The type of asexual reproduction in which the bud is developed on the body of a parent in the form of small outgrowth is called

  • budding
  • spore formation
  • fragmentation
  • binary fission

Which of the following is not true about reproduction?

  • it is an essential life process
  • it is one of the fundamental characteristics of living things
  • species cannot survive without reproduction
  • none of above

Inner whorls at bud stage are protected by

  • sepals
  • petals
  • calyx
  • corolla

A paper-thin or thick and hard layer that protects the embryo is called

  • Plumule
  • hilum
  • radicle
  • seed coat

Which of the following services to attract bees, birds, etc.?

  • sepals
  • petals
  • calyx
  • corolla

The opening through which the pollen tube enters ovule is called

  • micropyle
  • radicle
  • hilum
  • Plumule

The immature plant is known as

  • seed
  • zygote
  • embryo
  • seed coat

After fertilization the ovule becomes

  • seed
  • fruit
  • flower
  • sepals

The transfer of pollen grains of flowers from the anther to the stigma is called

  • pollination
  • reproduction
  • self fertilization
  • double fertilization

The matured pollen grains are transferred to another to another part of the plant called

  • sepal
  • carpel
  • stamen
  • stigma

The buds that are present on the rhizomes upper surface are responsible to give rise to the

  • shoots
  • roots
  • stems
  • nodes

The transfer of pollen grains from the anther to the stigma of the same flower is called

  • cross pollination
  • insect pollination
  • wind pollination
  • self pollination

After the growth of the pollen tube through style and ovary, the pollen tube enters into

  • haploid nucleus
  • ovule
  • style
  • zygote

The technique through which identical offsprings are produced from a single parent using its vegetative cell is called

  • tissue culture
  • cutting
  • grafting
  • none of above

The spore formation type of asexual reproduction is usually adopted by

  • corals
  • hydra
  • Rhizopus
  • sporangium

The kind of reproduction parthenogenesis is classified as a type of

  • fragmented reproduction
  • propagation reproduction
  • asexual reproduction
  • sexual reproduction

Joining of male and female gametes is called

  • fusion
  • reproduction
  • sexual reproduction
  • asexual reproduction

The sporophyte generation in the life cycle of plants is

  • meiotic whorl
  • mitotic whorl
  • haploid
  • diploid

The UNFPA works in

  • 130 countries
  • 150 countries
  • 140 countries
  • 110 countries

Considering the sexual reproduction in flowering petals, the birds and bees are classified as agents of

  • reproduction
  • cloning
  • grafting
  • pollination

In rhizomes, the lower surface is responsible for the production of

  • adventitious shoots
  • adventitious buds
  • adventitious roots
  • adventitious stems

The method in which vegetative cells or tissues are used to produce identical offspring from the single parent is called

  • shoots culture
  • nodes culture
  • tube culture
  • tissue culture

Pollination and fertilization in flowers was described by

  • Aristotle
  • Plato
  • Theophrastus
  • none of above

Male reproductive part of the flower is called

  • calyx
  • corolla
  • androecium
  • gynoecium

The micropyle is used by the seed for

  • food
  • protection
  • minerals
  • absorption of water

Seminiferous tubules are present within

  • ovaries
  • scrotum
  • testis
  • epididymis

In gametogenesis, the meiosis is undergone on diploid gamete-mother cells to form

  • diploid egg cells
  • haploid egg cells
  • haploid gametes
  • diploid gametes
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