Q. No.The cells of which of the following regions of the root are responsible for growth of its length?
1. Root cap
2. Region of meristematic activity
3. Region of elongation
4. Region of maturation
The type of placentation show in the given figure is seen in:
| 1. | Dianthus | 2. | Argemone |
| 3. | China rose | 4. | Marigold |
In vexillary aestivation:
1. The standard overlaps the wings
2. The standard overlaps the keel
3. The standard is overlapped by keel
4. The keel overlap the wings
The given floral formula describes:
Br ⊕ 
1. Asparagus
2. Belladonna
3. Indigofera
4. Mustard
Identify the correct statement regarding the stem morphology from the following:
| I: | Stems bear only axillary buds. |
| II: | Axillary buds may get modified into thorns as in Citrus |
| III: | Stem tendrils develop from axillary buds as in gourds. |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
China rose is not characterized by:
(1) Axile placentation
(2) Valvate aestivation
(3) Monoadelphous stamen
(4) Superior ovary
In the ray florets of sunflower, the condition of the flower is termed as:
1. Superior
2. Inferior
3. Epigynous
4. Hypogynous
Which of the following would not be a character of Asparagus?
1. Actinomorphic flower
2. Imbricate aestivation
3. Superior ovary
4. Endospermous seed
In Australian Acacia, the petiole or any part of rachis becomes flattened taking the shape of a leaf and turning green in color. This structure is called as:
(1) Phylloclade
(2) Cladode
(3) Phyllode
(4) bulbil
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