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) Scion
D) Stock
  • 2. Development of fruit without fertilisation is called
A) Parthenogenesis
B) Parthenocarpy
C) Tissue culture
D) Cell culture
  • 3. Rhizopus reproduce asexually by
A) Bulbil
B) Gemma
C) Conidia
D) Spores
  • 4. Bryophyllum can be propagated vegetatively by
A) Leaf
B) Grafting
C) Stem tuber
D) Root
  • 5. Banana is multiplies by means of
A) Tubers
B) Rhizome
C) Leaf margins
D) Offsets
  • 6. Air layering is performed in case of
A) Grapes
B) Jasmine
C) Litchi
D) Goose berry
  • 7. Which one is not a method of vegetative propagation
A) Layering
B) Micropropagation
C) Sowing
D) Budding
  • 8. Flower of Hibiscus is
A) Bisexual
B) Unisexual
C) Neuter
D) None of these
  • 9. Testis in human present in
A) Intestine
B) Abdomen
C) Scrotum
D) Ovary
  • 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) Insemination
C) Reproduction
D) Menstruation
  • 14. ........ is known as farther of modern embryology
A) Aristotle
B) Von baer
C) Linaeus
D) Bateson
  • 15. When male organ mature earlier than female organ is called
A) None of these is correct
B) Plasmotomy
C) Protandry
D) Protogyny
  • 16. Plants which produce flowers only once in their life time are called
A) Polycarpic
B) Monosporic
C) Monocarpic
D) Monocolpate
  • 17. Menstrual cycle is found in
A) Deer
B) Monkeys
C) Dogs
D) Cow
  • 18. Which plants is known as terror of Bengal
A) Carrot grass
B) Eichhornia
C) Parthenium
D) Clematis
  • 19. In vegetative propagation characters of parents are
A) Preserved
B) Not preserved
C) Changed
D) Exchanged
  • 20. Period of pregnancy is called
A) Gestation period
B) Menstruation
C) Ovulation
D) Incubation period
  • 21. Internal buds of Spongila are
A) Gemmules
B) Blastos
C) Planula
D) Spores
  • 22. One of the following is not a method of asexual reproduction
A) Layering
B) Conjugation
C) Budding
D) Cutting
  • 23. Many scientists consider virus as living entities because they
A) Respond to touch environment
B) Reproduce(inside host)
C) Can cause disease
D) Respire
  • 24. During favourable condition amoeba reproduce by
A) Regeneration
B) Multiple fission
C) Fragmentation
D) Binary fission
  • 25. In papaya flowers are
A) Neuter
B) None of these is correct
C) Bisexual
D) Unisexual
  • 26. Which one is female gametophyte
A) Synergid
B) Embryo sac
C) Embryo
D) Endosperm
  • 27. Scion is term used in relation to
A) Budding
B) Grafting
C) Embryogology
D) Emasculation
  • 28. Vegetatively propagated plants
A) Stouter then parents
B) Show adaptive variations
C) Clone of their parent
D) Better fitted for struggle for existence
  • 29. In testis the sperms are produced by
A) Graaffian follicles
B) Interstitial cells
C) Nephrons
D) Seminiferous tubules
  • 30. Analogy type questions- Doob grass:Runner::Potato:
A) Stem tuber
B) Rhizome
C) Bulbil
D) Offset
  • 31. Endogamy:Self fertilzation::Exogamy
A) Self pollination
B) Cross pollination
C) Cross fertilzation
D) Parthenogenesis
  • 32. Male flowers:Stamen::Female flower
A) Carpel
B) Gametophyte
C) Pollen
D) Anther
  • 33. Urethra of male carries both
A) Ovum and sperm
B) Ovum and urine
C) Sperm and urine
D) Ovum and urine
  • 34. In sweet pea vegetative propagation takes place by
A) Bud
B) Leaf
C) Stem
D) Root
  • 35. Exospores are seen
A) Yeast
B) Amoeba
C) Agaricus
D) Penicillium
  • 36. Nuclear membrane is absent in
A) Protista
B) Fungi
C) Monera
D) Animals
  • 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) Raphae
B) Micropyle
C) Pedicle
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) None of these
B) Post fertilization event
C) Pre-fertilization event
D) Both are correct
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