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
Match Column I with Column II
Column I | Column II | ||
(a) | (i) | Brassicaceae | |
(b) | (ii) | Liliaceae | |
(c) | (iii) | Fabaceae | |
(d) | (iv) | Solanaceae |
Select the correct answer from the options given below:
(a) | (b) | (c) | (d) | |
1. | (ii) | (iii) | (iv) | (i) |
2. | (iv) | (ii) | (i) | (iii) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (i) | (ii) | (iii) | (iv) |
The ovary is half inferior in:
1. Mustard
2. Sunflower
3. Plum
4. Brinjal
The roots that originate from the base of the stem are:
1. Primary roots
2. Prop roots
3. Lateral roots
4. Fibrous roots
Ray florets have:
1. | Superior ovary | 2. | Hypogynous ovary |
3. | Half-inferior ovary | 4. | Inferior ovary |
Identify the correct set of statements:
(a) | The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea. |
(b) | Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin. |
(c) | Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves. |
(d) | Rhizophora shows vertically upward growing roots that help to get oxygen for respiration. |
(e) | Subaerially growing stems in grasses and strawberry help in vegetative propagation. |
Choose the correct answer from the options given below:
1. (a), (b), (d), and (e) only
2. (b), (c) only
3. (a), (d) only
4. (b), (c), (d) and (e) only
Which one of the following plants shows vexillary aestivation and diadelphous stamens?
1. Solanum nigrum
2. Colchicum autumnale
3. Pisum sativum
4. Allium cepa