The embryo is a/an

  • fruit
  • immature plant
  • seed
  • none of above

The bag of the skin in which testes are located is called

  • epididymis
  • scrotum
  • prostate gland
  • epicotyls

The double fertilization involves the

  • formation of two nuclei
  • secretion of two nuclei
  • fusion of two nuclei
  • fusion of three nuclei

After the structural changes in the spermatids, the spermatids converts into

  • spermatogonia
  • sperms
  • egg cells
  • spermatocytes

External fertilization mostly occur in

  • desert plants
  • aquatic plants
  • grassy plants
  • land plants

Daughter cells formed due to division of a cell in sporangium are called

  • daughter sporangium
  • spores
  • cysts
  • sperms

The part of the angiosperm seed which protects the embryo from drying out is called

  • tissue coat
  • spores coat
  • endosperm coat
  • seed coat

The point where the seed is attached to the ovary wall is called

  • Plumule
  • radicle
  • hilum
  • none of above

The haploid microspores produced in pollen sacs are called

  • ovary
  • anther
  • stamen
  • carpel

The duct in which sperms are moved after arriving in the epididymis is called

  • Cowper's gland
  • vas prostate gland
  • vas scrotum
  • vas deferens

The first emerging structure from the radicle of the seed is called

  • root
  • shoot
  • stems
  • leaves

What is the optimum temperature range for germination?

  • 10-15 °C
  • 5-10 °C
  • 20-25 °C
  • 25-30 °C

Considering sexual reproduction in animals, the female gonads are known as

  • oocytes
  • testes
  • ovaries
  • sperms

Considering the wind-pollinated and insect-pollinated flowers, the flowers that are pollinated by insects

  • produce nectar
  • do not produce nectar
  • are small in size
  • have feathery branches

The method of asexual reproduction which occurs in protozoa and bacteria is known as

  • spore formation
  • fragmentation
  • binary fission
  • budding

The plants whose seeds are germinated by following the hypogeal germination are

  • beans and cotton
  • sugarcane and papaya
  • coconut and maize
  • cotton and jute

Ovaries are situated just ventral to

  • uterus
  • urinary bladder
  • kidneys
  • lungs

The egg cells are released from ovaries into the tubes called

  • gynoecium ducts
  • ovular tubes
  • fallopian tubes
  • fallopian testes

Examples of winged seeds include

  • Tacoma
  • shorea
  • tridex
  • cotton

The example of hypogeal germination

  • maize
  • rice
  • wheat
  • cotton

The example of a plant that reproduces in the way of suckers is

  • mint
  • garlic
  • ginger
  • potato

The process which undergoes in primary spermatocytes is called

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

The internal conditions on which the germination of seeds is dependent are

  • sufficient food storage
  • water
  • oxygen
  • favorable temperatures

In Pakistan the number of NGOs working for HIV

  • 54
  • 53
  • 55
  • 52

The sperms that are fused with the egg form the

  • ovaries
  • androecium
  • zygote
  • gynoecium

Hilum a scar is present on

  • seed coat
  • micropyle
  • testa
  • Plumule

In oogenesis, the diploid primary oocytes are produced by

  • primary oocyte
  • spermatids
  • secondary oocyte
  • oogonia

After the fertilization of egg cells in fallopian tubes, the zygote is carried to the

  • uterus
  • urethra
  • seminal gland
  • ovular glands

The generative nucleus undergoes mitosis to produce

  • spores
  • microspores
  • sperms
  • pollen sac

An important step in spreading of flowering plants is the evolution of

  • leaf
  • seed
  • flower
  • stem
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