Q101
Which one of the following organisms is correctly matched with its three characteristics?
Correct Answer
Option C
Solution
(c) Onion - Bulb - Underground stems - Imbricate aestivation - Axile placentation - Member of Liliaceae.
Morphology of Flowering Plants
Q102
Vexillary aestivation is characteristic of the family
Correct Answer
Option A
Solution
(a) This type of aestivation is seen in fabaceae.
Here, the posterior largest petal overlaps the petals that are lateral, which in turn overlap the two anterior petals.
Q103
In china rose the flowers are :
Correct Answer
Option D
Solution
(d) In china rose (Hibiscus rosa-sinensis) flowers are actinomorphic, hypogynous with twisted aestivation in calyx.
Q104
Flowers are unisexual in
Correct Answer
Option A
Solution
(a) The flowers of cucumber are unisexual, it means they have only male flowers or only female flowers.
Q105
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
Correct Answer
Option A
Solution
(a) Superior ovary is found in china rose, mustard brinjal, potato, onion and tulip.
Guava and cucumber have inferior ovary.
Q106
Keel is the characteristic feature of flower of:
Correct Answer
Option A
Solution
(a) Indigofera is a member of family fabaceae.
It has keel type of floral structure in which two anterior fused petals are present.
Q107
Tricarpellary syncarpous gynoecium is found in flowers of
Correct Answer
Option A
Solution
(a) Liliaceae are characterized by alternate leaves which are whorled.
The flowers are often showy, mostly bisexual and actinomorphic.
Also, they exhibit tricarpellary syncarpous gynoecium.
Q108
A family delimited by head type of inflorescence is
Correct Answer
Option B
Solution
(b) Asteraceae possesses head or capitulum inflorescence which is racemose and is surrounded by an involucre of bracts.
Q109
Botanical name of Cauliflower is
Correct Answer
Option C
Solution
(c) Cauliflower has the scientific name Brassica oleracea var. botrytis.
Q110
Syngenesious condition is found in
Correct Answer
Option A
Solution
(a) When stamens are united by their anthers and filaments are free the condition is called syngenesious.
It is found in family Asteraceae (Compositae).
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