Reproduction in Flowering Plants
Multiple Choice Questions and Answers
1. Hydrophily occurs in
(a) Nymphaea
(b) Eichhornia
(c) Nelumbo
(d) Vallisneria
Answer: (d) Vallisneria
2. Lever or turn-pipe mechanism of pollination is found in
(a) Salvia
(b) Ficus
(c) Antirrhinum
(d) Wheat
Answer: (a) Salvia
3. Ornithophily is pollination by
(a) Bats
(b) Birds
(c) Wind
(d) Humans
Answer: (b) Birds
4. In Kigelia, pollination occurs by
(a) wind
(b) insects
(c) bats
(d) birds
Answer: (c) bats
5. Transfer of pollen to the stigma of another flower of the same plant is
(a) autogamy
(b) allogamy
(c) xenogamy
(d) geitonogamy
Answer: (d) geitonogamy
6. Feathery stigmas occur in
(a) Pea
(b) Datura
(c) Caesalpinia
(d) wheat
Answer: (d) wheat
7. In angiosperms, triple fusion is required for
(a) endosperm
(b) embryo
(c) fruit wall
(d) suspensor
Answer: (a) endosperm
8. Filiform apparatus occurs in
(a) synergids
(b) antipodals
(c) egg nucleus
(d) secondary nucleus
Answer: (a) synergids
9. One of the most resistant biological material present in the outer wall of pollen grain is
(a) cellulose
(b) lignin
(c) lignocelluloses
(d) sporopollenin
Answer: (d) sporopollenin
10. Germ pore is an area where exine is
(a) thick
(b) absent
(c) thick and uniform
(d) uniform
Answer: (b) absent
11. Study of pollen grains is
(a) palaeobotany
(b) paleontology
(c) palynology
(d) pomology
Answer: (c) palynology
12. Polyembryony occurs in
(a) Maize
(b) Citrus
(c) Corchorus
(d) Carthamus
Answer: (b) Citrus
13. Perisperm is
(a) remains of nucellus
(b) outer part of embryo sac
(c) degenerated synergid
(d) degenerated secondary nucleus
Answer: (a) remains of nucellus
14. Function of suspensor of embryo is
(a) absorption of nourishment
(b) formation of secondary embryos
(c) to push the embryo into nutritive region
(d) all the above
Answer: (c) to push the embryo into nutritive region
15. Diploid male angiosperm is crossed with tetraploid female plant endospermic seed will be
(a) haploid
(b) triploid
(c) tetraploid
(d) pentaploid
Answer: (d) pentaploid
16. Nawaschin discovered double fertilization in
(a) Mango and Pear
(b) Papaya and Wheat
(c) Brassica and Iberis
(d) Lilium and Fritillaria
Answer: (d) Lilium and Fritillaria
17. A piece of potato tuber will form a new plant if it possesses
(a) roots
(b) eyes
(c) stored food
(d) branches
Answer: (b) eyes
18. Layering is used in vegetative propagation of
(a) jasmine
(b) rose
(c) mango
(d) All the above
Answer: (a) jasmine
19. Anther represents
(a) male gametophyte
(b) male sporophyll
(c) spermatogonia
(d) female gametophyte
Answer: (b) male sporophyll
20. Bicarpellary gynoecium and oblique ovary occurs in
(a) Banana
(b) Brinjal
(c) Pisum
(d) Mustard
Answer: (b) Brinjal
21. Pollination by snails and slugs is
(a) Ornithophily
(b) Chiropterophily
(c) Entomophily
(d) Malacophily
Answer: (d) Malacophily
22. Pollination by ants is
(a) malacophily
(b) myrmecophily
(c) entomophily
(d) ornithophily
Answer: (b) myrmecophily
23. Heterozygosity is produced following
(a) xenogamy
(b) geitonogamy
(c) autogamy
(d) cleistogamy
Answer: (a) xenogamy
24. Anemophily occurs in
(a) Salvia
(b) Vallisneria
(c) Coconut
(d) Bottle brush
Answer: (c) Coconut
25. Palynology is study of
(a) pollen germination
(b) pollen morphology
(c) pollen development
(d) storage and arrangement of pollen grains
Answer: (b) pollen morphology
26. Embryo sac is
(a) microgametophyte
(b) microsporangium
(c) mega gametophyte
(d) megasporangium
Answer: (c) mega gametophyte
27. Which one is produced as a result of double fertilization?
(a) seed
(b) fruit
(c) megaspore
(d) endosperm
Answer: (d) endosperm
28. Passage of pollen tubes or micropyle while reaching the embryo is
(a) mesogamy
(b) porogamy
(c) dicliny
(d) dichogamy
Answer: (b) porogamy
29. Function of tapetum is
(a) protective
(b) nutritive
(c) respiratory
(d) All the above
Answer: (b) nutritive
30. Sexual reproduction of flowering plants was discovered by
(a) Camerarius
(b) Nawaschin
(c) Strasburger
(d) Maheshwari
Answer: (a) Camerarius
31. Egg apparatus consists of
(a) egg and antipodals
(b) polar nuclei
(c) egg and synergids
(d) egg
Answer: (c) egg and synergids
32. Stem cuttings are commonly used in propagation of
(a) mango
(b) cotton
(c) rose
(d) banana
Answer: (c) rose
33. Mango and guava are propagated through
(a) tissue culture
(b) grafting
(c) stem cuttings
(d) layering
Answer: (b) grafting
34. Formation of embryo directly from nucellus and integument is
(a) adventitive polyembryony
(b) apospory
(c) apogamy
(d) apomixes
Answer: (a) adventitive polyembryony
35. Pollination of Lotus is accomplished through
(a) water
(b) wind
(c) insects
(d) all the above
Answer: (c) insects
36. In casuarinas fertilization occurs through
(a) chalazogamy
(b) misogamy
(c) apogamy
(d) intraspecific
Answer: (a) chalazogamy
37. Intraspecific incompatibility is overcome by
(a) self pollination
(b) wetting of anthers
(c) wetting of stigmas
(d) mixed pollination
Answer: (d) mixed pollination
38. Bud pollination is
(a) chiropterophily
(b) ornithophily
(c) malacophily
(d) myrmecophily
Answer: (b) ornithophily
39. Ginger is multiplied vegetatively by means of
(a) bud
(b) tuber
(c) corm
(d) rhizome
Answer: (d) rhizome
40. Piece of plant part used in tissue culture is called
(a) explants
(b) inoculants
(c) somaclone
(d) clone
Answer: (a) explants
41. Callus is
(a) undifferentiated growing mass of cells
(b) tissue developed in the area of wood
(c) material that heals injury in phloem
(d) all the above
Answer: (d) all the above
42. Effect of pollen on character of pericarp and seed coat is
(a) xenia
(b) metaxenia
(c) ruminate
(d) endosperm
Answer: (b) metaxenia
43. Function of guiding and attracting pollen tube is done by
(a) antipodal cells
(b) egg cell
(c) synergid
(d) secondary nucleus
Answer: (c) synergid
44. Pollen grains are able to tolerate extremes of temperature and desiccation as its exine is made of
(a) sporopollenin
(b) suberin
(c) cutin
(d) callose
Answer: (a) sporopollenin
45. Stalk of ovule is called
(a) funiculus
(b) placenta
(c) hilum
(d) chalaza
Answer: (a) funiculus
46. In which of the following production of seedless fruit is undesirable?
(a) coconut
(b) apple
(c) plum
(d) mango
Answer: (a) coconut
47. Monosporic 8 nucleate embryo sac is referred to as
(a) allium type
(b) peperomia type
(c) polygonum type
(d) drusa type
Answer: (c) polygonum type
48. The micropile in a seed helps in the entry of
(a) water
(b) pollen tube
(c) male gamete
(d) none
Answer: (a) water
49. The megasporangium of angiosperms on maturity gives rise to
(a) fruits
(b) seed
(c) embryo
(d) cotyledon
Answer: (b) seed
50. The position of shoot apex and monocot embryo is
(a) basal
(b) lateral
(c) terminal
(d) sub terminal
Answer: (b) lateral