Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
1. Free central
2. basal
3. Axile
4. Parietal
Diadelphous is found in
1. Pea
2. Citrus
3. China rose
4. Lily
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
Match the placental types Column I with their examples Column II
Column I | Column II | ||
(a) | Basal | (i) | Mustard |
(b) | Axile | (ii) | China rose |
(c) | Parietal | (iii) | Dianthus |
(d) | Free central | (iv) | Sunflower |
Choose the correct answer from the following options:
Options: | (a) | (b) | (c) | (d) |
1. | (ii) | (iii) | (iv) | (i) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (iv) | (ii) | (i) | (iii) |
4. | (iii) | (iv) | (i) | (ii) |
Ray florets have:
1. | Superior ovary | 2. | Hypogynous ovary |
3. | Half-inferior ovary | 4. | Inferior ovary |
The roots that originate from the base of the stem are:
1. Primary roots
2. Prop roots
3. Lateral roots
4. Fibrous roots
The ovary is half inferior in:
1. Mustard
2. Sunflower
3. Plum
4. Brinjal
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. |