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