89. Cruciform corolla is found in
(a) Barley
(b) Berseem
(c) Radish
(d) Pea
Answer: (c) Radish
90. Ligulate or strap-shaped corolla is a characteristic feature of
(a) Disc floret
(b) Ray floret
(c) Both disc and ray floret
(d) None of these
Answer: (b) Ray floret
91. The structure in a flower that is homologous to the prothallus of fern is the
(a) Anther
(b) Embryo
(c) Ovary
(d) Spore
Answer: (d) Spore
92. For the study of parts of a flower, most suitable flower would be
(a) Mustard
(b) Castor
(c) Tomato
(d) Sunflower
Answer: (a) Mustard
93. Epipetalous relates to
(a) Aestivation of petals
(b) Position of ovary
(c) Stamens
(d) Placentation
Answer: (c) Stamens
94. The pappus is the modification of
(a) Corolla
(b) Calyx
(c) Bracts
(d) Gynoecium
Answer: (b) Calyx
95. Which of the following is considered equivalent to perianth?
(a) Glumes
(b) Lodicules
(c) Superior palea
(d) Inferior palea
Answer: (b) Lodicules
96. A flower is said to be zygomorphic when
(a) Every vertical section passing through its centre divides it into two equal parts
(b) There is only one vertical section possible passing through its centre and divides it into two equal parts
(c) Any of the above two conditions is present
(d) None of the above condition is present
Answer: (b) There is only one vertical section possible passing through its centre and divides it into two equal parts
97. In a papilionaceous flower, large vexillum covers two wings; wings cover the keel. This type of aestivation in corolla is known as
(a) Ascending imbricate
(b) Descending imbricate
(c) Twisted
(d) Valvate
Answer: (b) Descending imbricate
98. In unilocular ovary, ovules develop on the inner wall of the ovary. The placentation is
(a) Marginal
(b) Axile
(c) Parietal
(d) Free central
Answer: (c) Parietal
99. When stamens are attached to petals, this condition is known as
(a) Gynandrous
(b) Epipetalous
(c) Epiphyllous
(d) Epitepalous
Answer: (b) Epipetalous
100. Tetradynamous condition is related to
(a) Androecium
(b) Gynoecium
(c) Inflorescence
(d) Perianth
Answer: (a) Androecium
101. A perennial angiosperm flowering once in its lifetime is called
(a) Monocarpic
(b) Xerophytic
(c) Halophyte
(d) Polycarpic
Answer: (a) Monocarpic
102. In which of the following male and female flowers are found in the same plant?
(a) Unisexual
(b) Bisexual
(c) Monoecious
(d) Dioecious
Answer: (c) Monoecious
103. Unisexual flowers are also termed as
(a) Monoclinous
(b) Diclinous
(c) Monoecious
(d) Dichogamous
Answer: (b) Diclinous
104. Leafy or vegetative bract is characteristic of the flower of
(a) Cruciferae
(b) Malvaceae
(c) Liliaceae
(d) Papilionatae
Answer: (d) Papilionatae
105. Floral bud tendrils are found in
(a) Gloriosa
(b) Antigonon
(c) Smilax
(d) Pisum
Answer: (d) Pisum
106. Ebracteate flowers are common among
(a) Malvaceae
(b) Cruciferae
(c) Solanaceae
(d) Leguminosae
Answer: (a) Malvaceae
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