10 MCQ on Plant Science for various Agriculture Exams✅ Part -63

144. A flower is said to be double if
(a) Its K is transformed to A
(b) Its K is transformed to C
(c) Its A is transformed to K
(d) Its G is transformed to A
Answer: (b) Its K is transformed to C

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145. A flower could be said zygomorphic if it could be divided into equal halves by
(a) Any vertical section
(b) Two equal halves by one vertical section
(c) Two equal halves by any vertical section of sepals and petals
(d) None of these
Answer: (b) Two equal halves by one vertical section

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146. Which of the stamen is free (not adelphous) in Papilionatae?
(a) Posterior
(b) Right lateral
(c) Left lateral
(d) Anterior
Answer: (b) Right lateral

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147. Correct notation of androecium of Pisum or Papilionatae is
(a) A₉₊₁
(b) A₁₀
(c) A₅₊₅
(d) A₄₊₆
Answer: (a) A₉₊₁

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148. The characteristic feature of family Papilionatae is the presence of
(a) Axile placentation
(b) Leaf tendrils
(c) Diadelphous androecium
(d) Hypogynous flower
Answer: (c) Diadelphous androecium

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149. The androecium of Papilionatae is
(a) Syngenesious
(b) Monadelphous
(c) Diadelphous
(d) Polyadelphous
Answer: (c) Diadelphous

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150. In which of the following, the stamens are concealed into keel that is
(a) Liliaceae
(b) Mimosoideae
(c) Caesalpiniaceae
(d) Papilionatae
Answer: (d) Papilionatae

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151. Cleistogamy is found in
(a) Periwinkle
(b) Primula
(c) Pansy
(d) Antirrhinum
Answer: (b) Primula

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152. Cleistogamous flowers are
(a) Open flowers
(b) Temporarily closed
(c) Permanently closed
(d) Partially open
Answer: (c) Permanently closed

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153. Bicarpellary syncarpous ovary with basal placentation belongs to
(a) Malvaceae
(b) Compositae
(c) Cruciferae
(d) Solanaceae
Answer: (b) Compositae

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154. Unilocular ovary with single ovule and free-central placentation is said to be
(a) Axile
(b) Superficial
(c) Basal
(d) Parietal
Answer: (c) Basal

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155. The side of a flower facing the mother axis is called
(a) Posterior side
(b) Dorsal side
(c) Ventral side
(d) Anterior side
Answer: (a) Posterior side

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156. Floral diagram is
(a) Diagram of a flower
(b) The three-dimensional appearance of a flower
(c) T.S. of a flower
(d) T.S. of a floral bud
Answer: (a) Diagram of a flower

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157. Floral diagram is
(a) Diagram of a flower
(b) The three-dimensional appearance of a flower
(c) T.S. of a flower
(d) T.S. of a floral bud
Answer: (b) The three-dimensional appearance of a flower

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