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