CBSE Questions for Class 12 Medical Biology Reproduction In Organisms Quiz 5 - MCQExams.com

Oogamous sexual reproduction involves fusion of
  • Motile and non-motile gametes
  • Similar gametes
  • Dissimilar motile gametes
  • Dissimilar non-motile gametes
Which corresponds to parthenogenesis?
  • Autogamy
  • Cytogamy
  • Endomixis
  • Amphimixis
Which part of the plant is involved in sexual reproduction?
  • Root
  • Flower
  • Leaf
  • Stem
Natural parthenogenesis is found in
  • Pheretima
  • Frog
  • Starfish
  • Honeybee
Fusion between dissimilar gametes is
  • Autogamy
  • Isogamy
  • Allogamy
  • Dichogamy
The phenomenon of endogamy is reported in
  • Fasciola
  • Earthworm
  • Marchantia
  • Rabbit
The part of plant used for asexual reproduction is called: 
  • Reproductive part
  • Vegetative part
  • Seeds
  • Flowers
Amphimixis is development of an organism obtained through
  • Apospory
  • Apogamy
  • Fusion of gametes
  • Without fusion of gametes
Thelytoky, a type of parthenogenesis, occurs in
  • Aphids
  • Typhlina
  • Honey Bee
  • Wasp
In Bryophyllum, multiplication is most rapid through ?
  • Fruits
  • Seeds
  • Stem cuttings
  • Leaf
A complete plant can be obtained from the leaf of: 
  • Potato
  • Money plant
  • Mint plant
  • Bryophyllum
 Name of plant Vegetative parts from which plant grows
 A) Money plant 1) Root
 B) Ginger 2) Stem
 C) Sweet potato  3) Leaf
 D) Bryophyllum4) Underground stem
  • A - Stem, B - Root, C - Underground stem, D - Leaf
  • A - Stem, B - Underground stem, C - Root, D - Leaf
  • A - Root, B - Underground stem, C - Stem, D - Leaf
  • A - Leaf, B - Stem, C - Underground stem, D - Root
Whiptail lizard show
  • Periodic parthenogenesis
  • Paedogenic parthenogenesis
  • Obligatory parthenogenesis
  • Incomplete parthenogenesis
Development of animal embryo from egg without fertilisation is called
  • Parthenogenesis
  • Parthenocarpy
  • Apospory
  • Apomixis
The term parthenogenesis was introduced by
  • Charles Bonnet
  • Karl von Baer
  • Spallanzani
  • None of the above
Development of an organism from female gamete/egg without involving fertilization is
  • Adventitive embryony
  • Polyembryony
  • Parthenocarpy
  • Parthenogenesis
Parthenogenesis is the development of fruit
  • With viable seeds after fertilization
  • With viable seeds after pollination
  • With viable seeds without fertilisation
  • Without seeds after pollination
Parthenogenesis is connected with
  • Sexual reproduction
  • Asexual reproduction
  • Regeneration
  • Budding
Estrous cycle is characteristic of
  • Human females.
  • Mammalian females.
  • Mammalian females other than primates.
  • Mammals.
In oogamy fertilisation involves,
  • A small non-motile female, gamete and large motile male gamete
  • A large non-motile female gamete, and a small motile male gamete
  • A large non-motile female gamete and a small non-motile male gamete
  • A large motile female gemete and a small non-mbtile male gamete.
Estrus cycle is indication of
  • Breeding period
  • Estrogen secretion
  • Pregnancy
  • Menopause
Isogamy is found in
  • Hydra
  • Monocystis
  • Plasmodium
  • Planaria
Monoestrus animals have
  • One ovulation each month
  • One egg
  • One breeding season in a year
  • One menses each month
The term parthenogenesis was coined by
  • Grobber
  • Balfour
  • Boveri
  • Owen
Menstrual cycle occurs in
  • Female primates
  • Human females
  • Mammalian females
  • Rabbit
Identify the wrong statement.
  • Plants produced vegetatively or asexually are called clones.
  • Organisms exhibiting external fertilization release a large number of gametes.
  • Development of embryo from fertilized female gamete is called parthenogenesis.
  • Conidia are formed in Alternaria.
Parthenogenesis is
  • Formation of egg without fertilization
  • Formation of synergids without fertilization
  • Formation of fruit without fertilization
  • Formation of fruit without pollination
Syngamy can occur outside the body of organisms in
  • Algae
  • Ferns
  • Fungi
  • Mosses
In oogamy, fertilization occurs between
  • Small non-motile female gamete and large motile male gamete.
  • Large non-motile female gamete and small motile male gamete.
  • A large non-motile female gamete and a small non-motile male gamete.
  • A large motile female gamete and a small non-motile male gamete.
Fusion of a male gamete with egg in embryo sac is
  • Autogamy
  • Syngamy
  • Double fertilization
  • Triple fusion
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