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