Reproduction in organisms
  • 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) Tissue culture
B) Parthenocarpy
C) Cell culture
D) Parthenogenesis
  • 3. Rhizopus reproduce asexually by
A) Gemma
B) Conidia
C) Bulbil
D) Spores
  • 4. Bryophyllum can be propagated vegetatively by
A) Leaf
B) Root
C) Stem tuber
D) Grafting
  • 5. Banana is multiplies by means of
A) Leaf margins
B) Rhizome
C) Offsets
D) Tubers
  • 6. Air layering is performed in case of
A) Jasmine
B) Grapes
C) Litchi
D) Goose berry
  • 7. Which one is not a method of vegetative propagation
A) Layering
B) Micropropagation
C) Budding
D) Sowing
  • 8. Flower of Hibiscus is
A) Unisexual
B) None of these
C) Neuter
D) Bisexual
  • 9. Testis in human present in
A) Scrotum
B) Intestine
C) Ovary
D) Abdomen
  • 10. Rhizopus is also called bread mould
A) False
B) True
  • 11. Corm is modifications of
A) Stem
B) Leaf
C) Root
D) Bud
  • 12. Embryo sac is found in
A) Endosperm
B) Female gametophyte
C) Ovule
D) Seed
  • 13. The process of release of ovum from ovary is called
A) Insemination
B) Ovulation
C) Reproduction
D) Menstruation
  • 14. ........ is known as farther of modern embryology
A) Bateson
B) Linaeus
C) Aristotle
D) Von baer
  • 15. When male organ mature earlier than female organ is called
A) Protogyny
B) None of these is correct
C) Protandry
D) Plasmotomy
  • 16. Plants which produce flowers only once in their life time are called
A) Polycarpic
B) Monocolpate
C) Monocarpic
D) Monosporic
  • 17. Menstrual cycle is found in
A) Monkeys
B) Deer
C) Dogs
D) Cow
  • 18. Which plants is known as terror of Bengal
A) Parthenium
B) Eichhornia
C) Clematis
D) Carrot grass
  • 19. In vegetative propagation characters of parents are
A) Changed
B) Preserved
C) Exchanged
D) Not preserved
  • 20. Period of pregnancy is called
A) Incubation period
B) Menstruation
C) Ovulation
D) Gestation period
  • 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) Conjugation
B) Layering
C) Budding
D) Cutting
  • 23. Many scientists consider virus as living entities because they
A) Respire
B) Can cause disease
C) Reproduce(inside host)
D) Respond to touch environment
  • 24. During favourable condition amoeba reproduce by
A) Multiple fission
B) Binary fission
C) Regeneration
D) Fragmentation
  • 25. In papaya flowers are
A) Neuter
B) None of these is correct
C) Bisexual
D) Unisexual
  • 26. Which one is female gametophyte
A) Embryo sac
B) Synergid
C) Embryo
D) Endosperm
  • 27. Scion is term used in relation to
A) Emasculation
B) Grafting
C) Embryogology
D) Budding
  • 28. Vegetatively propagated plants
A) Show adaptive variations
B) Clone of their parent
C) Stouter then parents
D) Better fitted for struggle for existence
  • 29. In testis the sperms are produced by
A) Interstitial cells
B) Seminiferous tubules
C) Graaffian follicles
D) Nephrons
  • 30. Analogy type questions- Doob grass:Runner::Potato:
A) Rhizome
B) Bulbil
C) Stem tuber
D) Offset
  • 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) Pollen
C) Gametophyte
D) Anther
  • 33. Urethra of male carries both
A) Ovum and urine
B) Ovum and urine
C) Ovum and sperm
D) Sperm and urine
  • 34. In sweet pea vegetative propagation takes place by
A) Leaf
B) Bud
C) Stem
D) Root
  • 35. Exospores are seen
A) Agaricus
B) Amoeba
C) Penicillium
D) Yeast
  • 36. Nuclear membrane is absent in
A) Monera
B) Protista
C) Fungi
D) Animals
  • 37. In grafting scion forms
A) None of these
B) Root system
C) New plant
D) Shoot 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) Haploid
B) Hexaploid
C) Diploid
D) Triploid
  • 40. Development of endosperm in gymnosperm is
A) None of these
B) Pre-fertilization event
C) Both are correct
D) Post fertilization event
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