A lateral branch arises from the base of the main axis and after growing aerially for some time arches downwards to touch the ground in:
1. Opuntia and Euphorbia | 2. Mint and Jasmine |
3. Pistia and Eichhornia | 4. Banana and Pineapple |
Apocarpous gynoecium is seen in:
1. | Lotus | 2. | Mustard |
3. | Papaver | 4. | Tomato |
A lateral branch with short internodes and each node bearing a rosette of leaves and tufts of roots is found in:
1. Opuntia and Euphorbia | 2. Mint and Jasmine |
3. Pistia and Eichhornia | 4. Banana and Pineapple |
The term that describes united sepals in a flower is:
1. | Calyx | 2. | Perianth |
3. | Gamosepalous | 4. | Polysepalous |
Which of the following is incorrect regarding the leaf of a flowering plant?
1. It develops at the node and bears a bud in its axil
2. Axillary bud later develops into a branch
3. They originate from shoot apical meristems
4. They are arranged in a basipetal order
The placentation shown below will be seen in:
1. | Argemone | 2. | Dianthus |
3. | Tomato | 4. | Sunflower |
A parallel venation will be seen in the leaves of all the following plants except:
1. | Wheat | 2. | Rice |
3. | Pea | 4. | Maize |
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