Which of the following statements are correct with respect to Solanaceae?
A) Gamosepalous and persistent calyx.
B) Epipetalous stamens alternating with the petals.
C) Free petals in valvate or twisted aestivation.
D) Bicarpellary, syncarpous and bilocular ovary with parietal placentation.
Important Questions on Morphology and Modifications
Choose the correct floral formula of the given floral diagram.
One of the families is characterized by the following floral formula:
Identify the family:
Medicinally important plant and a tendrillar climber with unisexual flowers
Spice yielding plant with cymose inflorescence, persistent calyx, unilocular ovary
Oilseed plant with monadelphous stamens, unilocular ovary, and indehiscent pod
Which of the following are the characteristic features of the family Fabaceae?
I. Gamosepalous nature
II. Stamens five, epipetalous
III. Marginal placentation
IV. Petals five, polypetalous
V. Fruit is a berry
The correct answer is:
| List- | List- | ||
| (A) | Musa, Cocos, Colocasia | (I) |
Corymb |
| (B) | Crotalaria, Mangifera | (II) |
Spike |
| (C) | Cassia, Cauliflower | (III) |
Umbel |
| (D) | Achyranthes, Grasses | (IV) | Spadix |
| (V) | Raceme |
The correct match is:
is the floral formula of:Botanical names of plants are given in Column I, and the family/order name in Column II. Choose the appropriate combination from the options below.
| Column I | Column II | ||
| (P) | Tamarindus indica | (i) | Arecaceae |
| (Q) | Cocos nucifera | (ii) | Liliaceae |
| (R) | Colchicum autumnale | (iii) | Solanaceae |
| (S) | Withania somnifera | (iv) | Papilionaceae |
| List - I | List - II | ||
| (a) | Flowers appear to have arisen from the same point of peduncle | (i) | Corymb |
| (b) | The sessile flowers are arranged on peduncle in acropetal manner | (ii) | Umbel |
| (c) | The sessile unisexual and neuter flowers arranged in acropetal succession protected by a modified bract | (iii) | Spike |
| (d) | Unisexual and/or bisexual sessile flowers develop centripetally on a condensed peduncle | (iv) | Capitulum |
| (v) | Spadix |
The correct answer is
A) For classification of higher organisms we need to know technical terms and variation of the parts
B) Roots arise from radicle are called fibrous roots
C) The modified bract is called "Spathe"
D) In Apiaceae family, each flower is surrounded by involucre of bracts.
| List-I | List-II | List-III | |||
| (A) | Parthenocarpic fruit | (i) | Dichasial and monochasial cyme | (I) | Avicennia |
| (B) | Verticellaster | (ii) | Roots grow vertically upwards | (II) | Agave |
| (C) | Swampy areas | (iii) | Dioscorea | (III) | Banana |
| (D) | Storage of food | (iv) | Sucker | (IV) | Lamiaceae |
Identify the floral unit 'I' in the given floral diagram.
Match Column - I with Column - II.
| Column-I | Column-II | ||
| (a) |  |
(i) | Brassicaceae |
| (b) |  |
(ii) | Liliaceae |
| (c) |  |
(iii) | Fabaceae |
| (d) |  |
(iv) | Solanaceae |
