Q31
The type of placentation in which ovary is syncarpous, unilocular and ovules on sutures is called
Correct Answer
Option B
Solution
(b) Parietal placentation in syncarpous unilocular ovary with ovules on sutures.
Morphology of Flowering Plants
Q32
Long filamentous threads protruding at the end of the young cob of maize are
Correct Answer
Option A
Solution
(a) Long filaments of maize cob are the styles of pistils — the longest styles in plants.
Q33
Replum is present in the ovary of flower of
Correct Answer
Option B
Solution
(b) Replum is the false septum in Brassicaceae (mustard) ovary.
Q34
An example of axile placentation is:
Correct Answer
Option B
Solution
(b) Lemon has axile placentation — ovules attached to central axis in multilocular ovary.
Q35
The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis) is:
Correct Answer
Option A
Solution
(a) Hibiscus (Malvaceae) has monadelphous stamens — filaments united into one bundle.
Q36
Ovary is half-inferior in the flowers of:
Correct Answer
Option B
Solution
(b) Plum has perigynous flower with half-inferior ovary.
Q37
In unilocular ovary with a single ovule the placentation is :
Correct Answer
Option B
Solution
(b) Basal placentation: ovary unilocular with single ovule at the base, e.g., Polygonum.
Q38
Flowers are zygomorphic in :
Correct Answer
Option B
Solution
(b) Gulmohur (Fabaceae) has zygomorphic flowers — divisible into two equal halves in one plane only.
Q39
The gynoecium consists of many free carpels in flowers of
Correct Answer
Option D
Solution
(d) The female reproductive part of a flower is gynoecium.
It is syncarpous or fused in tomato.
In Michelia it consists of many free carpels (apocarpous).
Q40
Cymose inflorescence is present in :
Correct Answer
Option A
Solution
(a) Cymose inflorescence is present in Solanum.
In cymose inflorescence the tip of the main axis terminates in a flower and further growth continues by one or more lateral branches.
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