39. The axis developed in between the corolla and androecium is called as
(a) Gynophore
(b) Androphore
(c) Anthophore
(d) Gynandrophore
Answer: (c) Anthophore
40. In Bougainvillea, the large coloured structures are
(a) Coloured sepals
(b) Petaloid bracts
(c) Epicalyx
(d) Petals
Answer: (b) Petaloid bracts
41. In which of the following plants, ligulate corolla is found?
(a) Mustard
(b) Sunflower
(c) Pea
(d) Rose
Answer: (b) Sunflower
42. When the anthers are fused together forming a tube and filaments are free, this condition is termed as
(a) Monadelphous
(b) Syngenesious
(c) Synandrous
(d) Gynandrous
Answer: (b) Syngenesious
43. The legumes are characterised by
(a) Axile placentation
(b) Free central placentation
(c) Basal placentation
(d) Marginal placentation
Answer: (d) Marginal placentation
44. A floral formula represents the
(a) Functions of the flower
(b) Symmetry of the flower
(c) Diagrammatic notation of the floral characteristics
(d) Position of the flower
Answer: (c) Diagrammatic notation of the floral characteristics
45. Which of the following is the third whorl of the flower?
(a) Sepals
(b) Stamens
(c) Petals
(d) Pistil
Answer: (b) Stamens
46. Plants which flower only once in their lifetime are called
(a) Monocarpic
(b) Polycarpic
(c) Pericarpic
(d) Cleistocarpic
Answer: (a) Monocarpic
47. Which of the following is a polycarpic plant?
(a) Pea
(b) Agave
(c) Pear
(d) Bamboo
Answer: (c) Pear
48. Gynobasic style is found in
(a) Gramineae
(b) Labiatae
(c) Compositae
(d) Liliaceae
Answer: (b) Labiatae
49. The intine of a pollen grain is made up of
(a) Cellulose and pectin
(b) Lipid and protein
(c) Pectin and lignin
(d) Lignin and cutin
Answer: (a) Cellulose and pectin
50. The exine of a pollen grain is composed of
(a) Lignocellulose
(b) Sporopollenin
(c) Cellulose and lignin
(d) Pectin and cellulose
Answer: (b) Sporopollenin
51. Largest flower in the world is borne by
(a) Cuscuta
(b) Rafflesia
(c) Loranthus
(d) Drosera
Answer: (b) Rafflesia
52. In a monocot flower we can find
(a) Sepals
(b) Petals
(c) Tepals
(d) None
Answer: (c) Tepals
53. National flower of India is
(a) Rafflesia
(b) Lotus
(c) Rosa indica
(d) Wolffia
Answer: (b) Lotus
54. In Mimosa pudica placentation is
(a) Parietal
(b) Basal
(c) Axile
(d) Marginal
Answer: (a) Parietal
55. Marginal placentation is characteristic of or presence of monocarpellary, unilocular ovary and marginal placentation are characteristics of
(a) Solanaceae
(b) Cruciferae
(c) Leguminosae
(d) Compositae
Answer: (c) Leguminosae
56. The morphological nature of edible part of apple is
(a) Cotyledons
(b) Thalamus
(c) Endocarp
(d) Mesocarp
Answer: (b) Thalamus
0 Comments