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A placentation in which ovule are born on central axis and septa are absent, is found in

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Important Questions on Morphology and Modifications

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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Free central placentation is not present in:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Which of the following flowers is unisexual?
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
The hilum is a scar on the:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
What is the fate of the male gametes discharged in the synergid?
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Match Column - I with Column - II and select the correct option using the codes given below:
Column–I Column–II
a. Pistils fused together (i) Gametogenesis
b. Formation of gametes (ii) Pistillate
c. Hyphae of Ascomycetes Fungus  (iii) Syncarpous
d. Unisexual female flower (iv) Dikaryotic
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Correct position of floral parts over thalamus in mustard plant is:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Radial symmetry is found in the flowers of
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Free-central placentation is found in
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Among the members of the list given below, how many plants have superior ovaries?

China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip.
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Ray florets have
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Proximal end of the filament of stamen is attached to the:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
The ovary is half inferior in:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Example for a monodelphous androecium is
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower

Study the following lists. Match the floral parts given in List - I with the corresponding symbols, in List - II

   List - I     List - II
(a) Calyx (i) ⊕
(b) Ovary superior (ii) %
(c) Actinomorphic (iii) C
(d) Zygomorphic (iv) K
    (v) G

The correct answer is

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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
The term 'polyadelphous' is related to ------------
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
Perigynous flowers are found in:
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Biology>Structural Organisation in Plants and Animals>Morphology and Modifications>Flower
The standard petal of the papilionaceous corolla is also called: