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) Neither stock nor scion
C) Stock
D) Scion
  • 2. Development of fruit without fertilisation is called
A) Parthenocarpy
B) Tissue culture
C) Cell culture
D) Parthenogenesis
  • 3. Rhizopus reproduce asexually by
A) Gemma
B) Bulbil
C) Spores
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) Rhizome
B) Offsets
C) Tubers
D) Leaf margins
  • 6. Air layering is performed in case of
A) Litchi
B) Jasmine
C) Grapes
D) Goose berry
  • 7. Which one is not a method of vegetative propagation
A) Layering
B) Budding
C) Sowing
D) Micropropagation
  • 8. Flower of Hibiscus is
A) Bisexual
B) Unisexual
C) Neuter
D) None of these
  • 9. Testis in human present in
A) Ovary
B) Abdomen
C) Intestine
D) Scrotum
  • 10. Rhizopus is also called bread mould
A) False
B) True
  • 11. Corm is modifications of
A) Leaf
B) Stem
C) Root
D) Bud
  • 12. Embryo sac is found in
A) Seed
B) Female gametophyte
C) Ovule
D) Endosperm
  • 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) Linaeus
B) Bateson
C) Von baer
D) Aristotle
  • 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) Monosporic
B) Monocolpate
C) Monocarpic
D) Polycarpic
  • 17. Menstrual cycle is found in
A) Cow
B) Deer
C) Monkeys
D) Dogs
  • 18. Which plants is known as terror of Bengal
A) Parthenium
B) Clematis
C) Eichhornia
D) Carrot grass
  • 19. In vegetative propagation characters of parents are
A) Not preserved
B) Preserved
C) Exchanged
D) Changed
  • 20. Period of pregnancy is called
A) Gestation period
B) Menstruation
C) Ovulation
D) Incubation period
  • 21. Internal buds of Spongila are
A) Spores
B) Planula
C) Gemmules
D) Blastos
  • 22. One of the following is not a method of asexual reproduction
A) Cutting
B) Layering
C) Budding
D) Conjugation
  • 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) Fragmentation
C) Regeneration
D) Binary fission
  • 25. In papaya flowers are
A) None of these is correct
B) Unisexual
C) Neuter
D) Bisexual
  • 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) Budding
D) Embryogology
  • 28. Vegetatively propagated plants
A) Stouter then parents
B) Show adaptive variations
C) Better fitted for struggle for existence
D) Clone of their parent
  • 29. In testis the sperms are produced by
A) Nephrons
B) Graaffian follicles
C) Seminiferous tubules
D) Interstitial cells
  • 30. Analogy type questions- Doob grass:Runner::Potato:
A) Offset
B) Rhizome
C) Bulbil
D) Stem tuber
  • 31. Endogamy:Self fertilzation::Exogamy
A) Cross fertilzation
B) Cross pollination
C) Self pollination
D) Parthenogenesis
  • 32. Male flowers:Stamen::Female flower
A) Anther
B) Pollen
C) Gametophyte
D) Carpel
  • 33. Urethra of male carries both
A) Ovum and urine
B) Ovum and sperm
C) Sperm and urine
D) Ovum and urine
  • 34. In sweet pea vegetative propagation takes place by
A) Root
B) Stem
C) Leaf
D) Bud
  • 35. Exospores are seen
A) Agaricus
B) Amoeba
C) Yeast
D) Penicillium
  • 36. Nuclear membrane is absent in
A) Monera
B) Fungi
C) Animals
D) Protista
  • 37. In grafting scion forms
A) Root system
B) Shoot system
C) New plant
D) None of these
  • 38. Stalk of ovule is called
A) Raphae
B) Funicle
C) Pedicle
D) Micropyle
  • 39. In general the ploidy of endosperm in angiosperms is
A) Hexaploid
B) Triploid
C) Diploid
D) Haploid
  • 40. Development of endosperm in gymnosperm is
A) Both are correct
B) Post fertilization event
C) None of these
D) Pre-fertilization event
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