Pollination in Lotus is:
  • By water
  • By wind
  • By insect
  • All of these
Haploid plants develop by pollen are called ……..
  • Emasculation
  • Parthenocarpy
  • androgenesis
  • somatic hybridization
Closed flower:
  • Decliny
  • Cteistogamy
  • Dichogamy
  • None of these
Demerit of self pollinatlon is:
  • Unisexua
  • Dichoganty
  • Hetorostyle
  • None of these
Which structure is not found in Angiosperm?
  • Archegonium
  • Carpel
  • Anther
  • Magagametophyte
Normal Embryosac of Angiosperm is :
  • Unicellular
  • Bicelled
  • Penta celled
  • Seven called
Commonly in a mature fertilized ovule n, 2n, 3n conditions are respectively found in :
  • Endosperm, nucellus and egg
  • Egg. antipodals and endosperm
  • Integuments, synergids and egg
  • Egg, nucellus and endosperm
After fertilization ovule develops into:
  • Integument
  • Seed
  • Embryo
  • Endosperm
Parthenogenesis is common in :
  • Grape
  • Mango
  • Citrus
  • Litchi
An orthrotropous ovule is one in which micropyle and chalaza are :
  • Oblique to funiculus
  • At right angles to funiculus
  • In straight line with funiculus
  • Parallel to funiculus
In an ovule meiotic takes place in:
  • Nucellus
  • Megaspore mother cell
  • Megaspore
  • Archesporium
In Capsella the endosperm in generally:
  • Haploid
  • Diploid
  • Triploid
  • Tetraploid
All of the following structures are found in angiosperms except ?
  • Archegonium
  • Pistil
  • Anther
  • Megagametophyte
Who proved that the cells are totipotent?
  • White
  • Skoog
  • Miller
  • Steward
A typical angiospermic embryo sac is usually:
  • One-celled
  • Two-celled
  • Five-celled
  • seven-celled
Fatheroflndian Angiosperm Embnology is:
  • B. M. John
  • B. G L. Swami
  • R.N. Kapil
  • P. Maheshwari
If cotyledons are brought above the soil the germination is:
  • Hypogeal
  • Epigeal
  • Vivipaiy
  • None of these
Polymbryony occurs in:
  • Maize
  • Citrus
  • Corchorus
  • Carthamus
In Monocots, grafting is almost impossible because they lack :
  • Cambium
  • Ground tissue
  • Vascular bundle
  • Parenchymatous cells
Double fertilization in angiosperms was discovered by:
  • Strassburger
  • J. C. Bose
  • Maheshwari
  • Nawaschin
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