Correct position of floral parts over thalamus in the mustard plant is:
1. | Gynoecium occupies the highest position, while the other parts are situated below it. |
2. | Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary. |
3. | Gynoecium is present in the center and other parts cover it partially. |
4. | Gynoecium is situated in the center, and other parts of the flower are located at the rim of the thalamus, at the same level. |
Which of the following is the correct floral formula of Liliaceae?
1. | |
2. | |
3. | |
4. |
Identify the correct features of Mango and Coconut fruits.
(i) | In both, fruit is a drupe |
(ii) | Endocarp is edible in both |
(iii) | Mesocarp in Coconut is fibrous, and in Mango, it is fleshy |
(iv) | In both, the fruit develops from the monocarpellary ovary |
Select the correct option from below:
1. (i), (iii) and (iv) only
2. (i), (ii) and (iii) only
3. (i) and (iv) only
4. (i) and (ii) only
Which floral family has (9) + 1 arrangement of anthers in the androecium?
1. Malvaceae
2. Rutaceae
3. Fabaceae
4. Caesalpiniaceae
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
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 |
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
Whorled, simple leaves with reticulate venation are present in:
1. | Alstonia | 2. | Calotropis |
3. | Neem | 4. | China Rose |
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 |