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