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