Q151
The gynoecium consists of many free carpels in flowers of
Correct Answer
Option D
Solution
(d) Michelia (Magnoliaceae) has polycarpellary apocarpous gynoecium.
Morphology of Flowering Plants
Q152
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
Correct Answer
Option B
Solution
(b) Imbricate aestivation: margins overlap without any particular direction, e.g., Cassia.
Q153
Perigynous flowers are found in :-
Correct Answer
Option C
Solution
(c) Perigynous flowers (half-inferior ovary) are found in Rose.
Q154
The standard petal of a papilionaceous corolla is also called
Correct Answer
Option C
Solution
(c) The large posterior petal in papilionaceous flowers is called vexillum (standard).
Q155
Winged pollen grains are present in
Correct Answer
Option C
Solution
(c) Pinus pollen grains have two wing-like structures for wind dispersal.
Q156
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
Correct Answer
Option C
Solution
(c) Parietal placentation: ovules on inner wall of ovary, e.g., mustard.
Q157
Bicarpellary ovary with obliquely placed septum is seen in :
Correct Answer
Option D
Solution
(d) Obliquely placed septum in bicarpellary ovary is characteristic of Solanaceae (Solanum).
Q158
The ovary is half inferior in :
Correct Answer
Option C
Solution
(c) Plum (perigynous flower) has half-inferior ovary.
Q159
Ray florets have
Correct Answer
Option D
Solution
(d) Ray florets in Asteraceae have inferior ovary (epigynous).
Q160
Whorled, simple leaves with reticulate venation are present in
Correct Answer
Option D
Solution
(d) Alstonia shows whorled phyllotaxy with simple leaves having reticulate venation.
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