Flower
Flower: Overview
This Topic covers sub-topics such as Flower, Parts of a Flower, Morphology of Flowering Plants, Corolla, Stamen, Ovule, Calyx, Anther, Androecium, Gynoecium, Unisexual Flower, Bisexual Flower, Perianth, Hilum, Thalamus of Flower and, Bract
Important Questions on Flower
Assertion: Plants lack excretory organs.
Reason: Plant usually absorbs essential nutrients and lead a passive life.
Match the columns with respect to flowers:
| Column I (Term) | Column II (Example) | ||
| A | Epiphyllous | I | Lupin |
| B | Gamosepalous | II | Brinjal |
| C | Diadelphous | III | Lotus |
| D | Apocarpous | IV | Lily |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.
Reason (R): Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves.
In the light of the above statements, choose the correct answer from the options given below:
Match the following :
| List-I | List-II | ||
| A) | Valvate corolla | I) | Gulmohur |
| B) | Funnel-shaped corolla | II) | Vexillary |
| C) | Papilionaceous flower | III) | Calotropis |
| D) | Imbricate aestivation | IV) | Datura |
The correct match is:
Assertion: The flower of Canna exhibits asymmetrical symmetry.
Reason: The floral parts in Canna flower can be divided into two equal halves by only one vertical plane passing through the centre of flower.
The correct option among the following is:
Multilocular ovary with axial placentation is found in:
Identify to in the following figure.
Select the correct matching:
| Column I | Column II | Column III |
| Hypogynous | . Gynoecium occupies the highest position. | Mustard, brinjal, China rose. |
| Epigynous | . The gynoecium is situated in the centre. | Plum, peach, rose. |
| . Perigynous | . The margin of the thalamus grows upward enclosing the ovary completely. | Guava, cucumber, ray florets of sunflower. |
Based on the position of calyx, corolla and androecium is present in respect of the ovary on thalamus, the flower is of how many types?
Which of the following statement is not correct?
