Which one of the following statements is correct?
1. The seed in grasses is not endospermic.
2. Mango is a parthenocarpic fruit.
3. A proteinaceous aleurone layer is present in maize grain.
4. A sterile pistil is called a staminode.
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) |
1. Malvaceae
2. Cucurbitaceae
3. Brassicaceae
4. Liliaceae
1. A-3 B-1 C-5 D-4 E-2
2. A-2 B-3 C-1 D-5 E-4
3. A-4 B-3 C-1 D-5 E-2
4. A-4 B-5 C-1 D-2 E-3
The quiescent centre in root meristem serves as a:
1. | site for storage of food, which is utilised during maturation |
2. | reservoir of growth hormones |
3. | reserve for replenishment of damaged cells of the meristem |
4. | region for absorption of water |
Coffee and quinine are obtained from the:
1. Luguminosae
2. Asteraceae
3. Rubiaceae
4. Poaceae
The term 'keel' is used for a special type of:
1. sepals
2. petals
3. stamens
4. carpels
In Dianthus, placentation is:
1. basal
2. free central
3. axile
4. marginal