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Reproduction in organisms
Contributed by: Chauhan Sir
  • 1. A scion is grafted to stock . The quality of fruits produced will be determined by the genotype of
A) Scion
B) Neither stock nor scion
C) Both stock and scion
D) Stock
  • 2. Development of fruit without fertilisation is called
A) Parthenocarpy
B) Parthenogenesis
C) Tissue culture
D) Cell culture
  • 3. Rhizopus reproduce asexually by
A) Spores
B) Bulbil
C) Gemma
D) Conidia
  • 4. Bryophyllum can be propagated vegetatively by
A) Leaf
B) Stem tuber
C) Root
D) Grafting
  • 5. Banana is multiplies by means of
A) Rhizome
B) Tubers
C) Leaf margins
D) Offsets
  • 6. Air layering is performed in case of
A) Litchi
B) Goose berry
C) Jasmine
D) Grapes
  • 7. Which one is not a method of vegetative propagation
A) Budding
B) Micropropagation
C) Layering
D) Sowing
  • 8. Flower of Hibiscus is
A) None of these
B) Neuter
C) Unisexual
D) Bisexual
  • 9. Testis in human present in
A) Intestine
B) Scrotum
C) Abdomen
D) Ovary
  • 10. Rhizopus is also called bread mould
A) True
B) False
  • 11. Corm is modifications of
A) Leaf
B) Root
C) Stem
D) Bud
  • 12. Embryo sac is found in
A) Endosperm
B) Female gametophyte
C) Seed
D) Ovule
  • 13. The process of release of ovum from ovary is called
A) Ovulation
B) Menstruation
C) Reproduction
D) Insemination
  • 14. ........ is known as farther of modern embryology
A) Linaeus
B) Aristotle
C) Bateson
D) Von baer
  • 15. When male organ mature earlier than female organ is called
A) Protandry
B) Protogyny
C) None of these is correct
D) Plasmotomy
  • 16. Plants which produce flowers only once in their life time are called
A) Monosporic
B) Polycarpic
C) Monocarpic
D) Monocolpate
  • 17. Menstrual cycle is found in
A) Dogs
B) Monkeys
C) Deer
D) Cow
  • 18. Which plants is known as terror of Bengal
A) Eichhornia
B) Clematis
C) Parthenium
D) Carrot grass
  • 19. In vegetative propagation characters of parents are
A) Preserved
B) Changed
C) Exchanged
D) Not preserved
  • 20. Period of pregnancy is called
A) Menstruation
B) Gestation period
C) Ovulation
D) Incubation period
  • 21. Internal buds of Spongila are
A) Spores
B) Planula
C) Gemmules
D) Blastos
  • 22. One of the following is not a method of asexual reproduction
A) Budding
B) Layering
C) Cutting
D) Conjugation
  • 23. Many scientists consider virus as living entities because they
A) Can cause disease
B) Reproduce(inside host)
C) Respond to touch environment
D) Respire
  • 24. During favourable condition amoeba reproduce by
A) Regeneration
B) Multiple fission
C) Fragmentation
D) Binary fission
  • 25. In papaya flowers are
A) None of these is correct
B) Bisexual
C) Neuter
D) Unisexual
  • 26. Which one is female gametophyte
A) Embryo sac
B) Embryo
C) Endosperm
D) Synergid
  • 27. Scion is term used in relation to
A) Budding
B) Embryogology
C) Grafting
D) Emasculation
  • 28. Vegetatively propagated plants
A) Clone of their parent
B) Stouter then parents
C) Show adaptive variations
D) Better fitted for struggle for existence
  • 29. In testis the sperms are produced by
A) Seminiferous tubules
B) Nephrons
C) Interstitial cells
D) Graaffian follicles
  • 30. Analogy type questions- Doob grass:Runner::Potato:
A) Offset
B) Stem tuber
C) Rhizome
D) Bulbil
  • 31. Endogamy:Self fertilzation::Exogamy
A) Parthenogenesis
B) Self pollination
C) Cross fertilzation
D) Cross pollination
  • 32. Male flowers:Stamen::Female flower
A) Carpel
B) Anther
C) Pollen
D) Gametophyte
  • 33. Urethra of male carries both
A) Sperm and urine
B) Ovum and urine
C) Ovum and urine
D) Ovum and sperm
  • 34. In sweet pea vegetative propagation takes place by
A) Root
B) Stem
C) Leaf
D) Bud
  • 35. Exospores are seen
A) Yeast
B) Amoeba
C) Penicillium
D) Agaricus
  • 36. Nuclear membrane is absent in
A) Animals
B) Monera
C) Protista
D) Fungi
  • 37. In grafting scion forms
A) Root system
B) None of these
C) New plant
D) Shoot system
  • 38. Stalk of ovule is called
A) Micropyle
B) Pedicle
C) Raphae
D) Funicle
  • 39. In general the ploidy of endosperm in angiosperms is
A) Haploid
B) Hexaploid
C) Triploid
D) Diploid
  • 40. Development of endosperm in gymnosperm is
A) Pre-fertilization event
B) Both are correct
C) None of these
D) Post fertilization event
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