Root hairs at the root tip are formed by:
1. | Epidermal cells in the region of maturation |
2. | Cortical cells in the region of elongation |
3. | Epidermal cells in the region of elongation |
4. | Cortical cells in the region of maturation |
Leaves are converted into tendrils in:
1. Peas
2. Cacti
3. Australian acacia
4. Venus fly trap
Which of the following is not true for floral characters of family Fabaceae?
1. Inflorescence – racemose
2. Calyx – vexillary aestivation
3. Anther – dithecous
4. Ovary – superior
When a flower has both androecium and gynoecium, it is termed as:
1. | Monoecious | 2. | Bisexual |
3. | Dioecious | 4. | Unisexual |
Seed coat is membranous and generally fused with the fruit wall in:
1. | Apple | 2. | Maize |
3. | Coconut | 4. | Castor |
An asymmetric flower is seen in:
1. Mustard
2. Pea
3. Cassia
4. Canna
The ovary is said to be half inferior in all the following except:
1. Mustard
2. Rose
3. Plum
4. Peach
Aestivation is:
1. | mode of arrangement of sepals but not petals in a floral bud with respect to the other members of the same whorl |
2. | mode of arrangement of petals but not sepals in a floral bud with respect to the other members of the same whorl |
3. | mode of arrangement of sepals but not petals in a floral bud with respect to each other |
4. | mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl |
In mango, the fruit is:
1. | drupe and mesocarp is fleshy and edible |
2. | drupe and mesocarp is fibrous |
3. | berry and mesocarp is fleshy and edible |
4. | berry and mesocarp is fibrous |
When sepals or petals in a whorl just touch one another at the margin, without overlapping, the aestivation is said to be:
1. | Valvate | 2. | Twisted |
3. | Imbricate | 4. | Vexillary |