In floral diagram a dot at the top of diagram represents
1. Position of ovary
2. Aestivation
3. Mother axis
4. Cohesion
Which of the following is not related to family
brassicaceae?
1. Parietal placentation.
2. Variation in length of stamen.
3. Alternate phyllotaxy.
4. Perigynous.
Match column I with column II and select the correct
option.
Column I Column II
a. A (i) Tomato
b. Epiphyllous androecium (ii) Lily
c. Ovary inferior (iii) Mustard
d. Gamosepalous (iv) Epigynous flower
1. a (iii), b (i), c (iv), d (ii)
2. a (ii), b (iv), c (i), d (iii)
3. a (iii), b (ii), c (iv), d (i)
4. a (ii), b (iii), c (i), d (iv)
Consider the given floral characters with respect to Fabaceae
(a) Zygomorphic flowers
(b) Vexillary calyx
(c) Marginal placentation
(d) Endospermic seed
(e) Diadelphous stamens
1. b, d & e are incorrect
2. a, c & e are correct
3. b, c & e are incorrect
4. a, b, c, d & e are correct
Which of the following shows whorled phyllotaxy ?
1. Mustard
2. China rose
3. Alstonia
4. Calotropis
Bicarpellary ovary with obliquely placed septum is seen in:
1. Brassica
2. Aloe
3. Solanum
4. Sesbania
Which one of the following organisms is correctly matched with its three characteristics?
1. Pea: C3 pathway, Endospermic seed, Vexillary aestivation
2. Tomato: Twisted aestivation, Axile placentation, Berry
3. Onion: Bulb, Imbricate aestivation, Axile placentation
4. Maize : C3 pathway, Closed vascular bundles, Scutellum
Which of the following is wrong for the representation of the flower in the floral diagram?
1. | Fusion is indicated by enclosing the figure within bracket and adhesion by aline drawn above the symbols of the floral parts. |
2. | A floral diagram provides information about the number of parts of a flower, their arrangement and the relation they have with one another. |
3. | The position of the mother axis with respect to the flower is represented by a dot on the bottom of the floral diagram. |
4. | Calyx, corolla, androecium and gynoecium are drawn in successive whorls, calyx being the outermost and the gynoecium being in the centre. |
The placentation having only single ovule is
1. Marginal
2. Axile
3. Basal
4. Parietal
Which of the following is mis-matched pair?
1. Belladonna - Medicine - Solanaceae
2. Asparagus- Vegetable - Liliaceae
3. Trifolium- Ornamental plant - Fabaceae
4. Tobacco - Fumigatory - Potato family