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) Parthenocarpy
B) Parthenogenesis
C) Tissue culture
D) Cell culture
  • 3. Rhizopus reproduce asexually by
A) Gemma
B) Bulbil
C) Spores
D) Conidia
  • 4. Bryophyllum can be propagated vegetatively by
A) Grafting
B) Root
C) Leaf
D) Stem tuber
  • 5. Banana is multiplies by means of
A) Rhizome
B) Tubers
C) Offsets
D) Leaf margins
  • 6. Air layering is performed in case of
A) Goose berry
B) Jasmine
C) Grapes
D) Litchi
  • 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) Bisexual
C) None of these
D) Neuter
  • 9. Testis in human present in
A) Intestine
B) Abdomen
C) Scrotum
D) Ovary
  • 10. Rhizopus is also called bread mould
A) True
B) False
  • 11. Corm is modifications of
A) Bud
B) Leaf
C) Stem
D) Root
  • 12. Embryo sac is found in
A) Ovule
B) Seed
C) Female gametophyte
D) Endosperm
  • 13. The process of release of ovum from ovary is called
A) Ovulation
B) Menstruation
C) Reproduction
D) Insemination
  • 14. ........ is known as farther of modern embryology
A) Linaeus
B) Von baer
C) Bateson
D) Aristotle
  • 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) Monocolpate
B) Polycarpic
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) Carrot grass
B) Parthenium
C) Eichhornia
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) Incubation period
B) Menstruation
C) Ovulation
D) Gestation period
  • 21. Internal buds of Spongila are
A) Gemmules
B) Blastos
C) Spores
D) Planula
  • 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) Reproduce(inside host)
B) Respire
C) Can cause disease
D) Respond to touch environment
  • 24. During favourable condition amoeba reproduce by
A) Multiple fission
B) Regeneration
C) Binary fission
D) Fragmentation
  • 25. In papaya flowers are
A) None of these is correct
B) Bisexual
C) Unisexual
D) Neuter
  • 26. Which one is female gametophyte
A) Embryo
B) Synergid
C) Endosperm
D) Embryo sac
  • 27. Scion is term used in relation to
A) Grafting
B) Budding
C) Emasculation
D) Embryogology
  • 28. Vegetatively propagated plants
A) Clone of their parent
B) Stouter then parents
C) Better fitted for struggle for existence
D) Show adaptive variations
  • 29. In testis the sperms are produced by
A) Seminiferous tubules
B) Nephrons
C) Graaffian follicles
D) Interstitial cells
  • 30. Analogy type questions- Doob grass:Runner::Potato:
A) Offset
B) Stem tuber
C) Rhizome
D) Bulbil
  • 31. Endogamy:Self fertilzation::Exogamy
A) Cross pollination
B) Self pollination
C) Cross fertilzation
D) Parthenogenesis
  • 32. Male flowers:Stamen::Female flower
A) Gametophyte
B) Carpel
C) Pollen
D) Anther
  • 33. Urethra of male carries both
A) Ovum and urine
B) Sperm and urine
C) Ovum and urine
D) Ovum and sperm
  • 34. In sweet pea vegetative propagation takes place by
A) Leaf
B) Bud
C) Root
D) Stem
  • 35. Exospores are seen
A) Agaricus
B) Yeast
C) Amoeba
D) Penicillium
  • 36. Nuclear membrane is absent in
A) Animals
B) Fungi
C) Monera
D) Protista
  • 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) Pedicle
B) Micropyle
C) Funicle
D) Raphae
  • 39. In general the ploidy of endosperm in angiosperms is
A) Diploid
B) Haploid
C) Hexaploid
D) Triploid
  • 40. Development of endosperm in gymnosperm is
A) Both are correct
B) Post fertilization event
C) Pre-fertilization event
D) None of these
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