Aestivation of petals in the flower of cotton is correctly shown in:
1. | 2. | ||
3. | 4. |
Which one of the following is a xerophytic plant in which the stem is modified into a flat green and succulent structure:
1. Casuarina
2. Hydrilla
3. Acacia
4. Opuntia
Which one of the following diagrams represents the placentation in Dianthus?
1. | 2. | ||
3. | 4. |
Whorled, simple leaves with reticulate venation are present in:
1. | Alstonia | 2. | Calotropis |
3. | Neem | 4. | China Rose |
The correct floral formula of soybean is:
1. | % K5 C1 + (2) + 2 A(9)+1 G1 |
2. | % K(5) C1 + 2 + (2) A(9)+1 G1 |
3. | % K(5) C1 + 2 + (2) A1+(9) G1 |
4. | % K(5) C1 + (2) + 2 A(9)+1 G1 |
Consider the following four statements A, B, C & D and select the right option for two correct statements:
(A) | In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel |
(B) | The floral formula for Liliaceae is |
(C) | In pea flower the stamens are monadelphous |
(D) | The floral formula for Solanaceae is |
The correct statements are:
1. A and B
2. B and C
3. C and D
4. A and C
Which one of the following organisms is correctly matched with its three characteristics?
1. | Tomato: Twisted aestivation, Axile placentation, Berry |
2. | Onion: Bulb, Imbricate aestivation, Axile placentation |
3. | Maize: C 3 pathway, Closed vascular bundles, Scutellum |
4. | Pea: C 3 pathway, Endospermic seed, Vaxillary aestivation |
The edible part of the mango is:
1. Receptacle
2. Epicarp
3. Mesocarp
4. Endocarp
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
1. | Root cap, cell division, cell maturation, cell enlargement |
2. | Cell division, cell enlargement, cell maturation, root cap |
3. | Cell division, cell maturation, cell enlargement, root cap |
4. | Root cap, cell division, cell enlargement, cell maturation |
Pneumatophores are found in:
1. The vegetation is found in marshy and saline lake
2. The vegetation is found in saline soil
3. Xerophytes
4. Epiphytes