NEET-Biology-3-Morphology of flowering plants-3

41. When the petals are free then condition is known as ___________
Answer : Polypetalous

42. Stem modified into flattened structure in ____________ or fleshy cylindrical structure in __________ and perform photosynthesis :
Answer : (a) - Opuntia (b) - Euphorbia

43. Direct elongation of the radicle leads to the formation of __________ root.
Answer : primary.

44. In vexillary aestivation, posterior petal is known as ________________ .
Answer : Standard or Vexillum

45. Fruit of liliaceae family is ___________________ .
Answer : Capsule, rarely berry

46. The arrangement of ovules within the ovary is known as ___________
Answer : Placentation

47. Sheathing leaf base is found in monocots, true or false.
Answer : True

48. In Rhizophora, pneumatophores help in __________
Answer : Respiration

49. The arrangement of flower on floral axis is known as
Answer : Inflorescence

50. In neem plant, which type of leaf is present ?
Answer : Pinnately compound leaf

51. If a flower has both androecium and gynoecium, it is a__________ flower.
Answer : Bisexual

52. After fertilisation, the ovules develop into __________ and the ovary matures into a ____________
Answer : Seeds,Fruit

53. Which part of root is responsible for the growth of the root in length?
Answer : Region of elongation

54. In some ______________ plants the leaf base may become swollen which is known as __________
Answer : leguminous, pulvinus

55. The primary root and its branches constitute the __________
Answer : Tap root system

56. When the primary root in short lived and replaced by large number of thin roots, it constitutes the .
Answer : Fibrous root system

57. many of the plants given below are comes under fabaceae family - Moong, Soyabean, Indigofera, Sunhemp, Sesbania, Lupinus, Mulaithi
Answer : All

58. How many of the plants given below are comes under solanaceae family :- Tobacco, Tomato, Chilli, Belladona, Ashwagandha, Petunia, Makoi .
Answer : All

59. A sterile stamen is known as ___________
Answer : Staminode

60. Rachis is found in__________ leaf.
Answer : Pinnately compound