In all the four whorls of flower, which of the following is an accessory organ?
1.
Calyx
2.
Corolla
3.
Perianth
4.
All of these
| 1. | Calyx | 2. | Corolla |
| 3. | Perianth | 4. | All of these |
Perianth is
(1) Distinct calyx and Corolla
(2) Indistinct calyx and Corolla
(3) Amorphous calyx and Corolla
(4) Both 2. and 3.
When a flower has both androecium and gynoecium
(1) It is bisexual
(2) It is unisexual
(3) It is monoecious
(4) It is dioecious
When a flower has either androecium or gynoecium, called as
| 1. | Bisexual | 2. | Unisexual |
| 3. | Polygamous | 4. | Monoecious |
Actinomorphic flower
| 1. | When a flower can be divided into two equal radial halves in a single plane |
| 2. | When a flower can be divided into two equal radial halves in any radial plane |
| 3. | When a flower can be divided into two equal radial halves in a vertical plane |
| 4. | When a flower can be divided into two equal radial halves in a single radial plane |
Zygomorphic flower
(1) When a flower can be divided into two equal radial halves in a single plane
(2) When a flower can be divided into two equal radial halves in any radial plane
(3) When a flower can be divided into two equal similar halves in a single vertical plane
(4) When a flower can be divided into two equal radial halves in a single radial plane
Which of the following flowers does not has actinomorphic symmetry?
1. Mustard
2. Datura
3. Chilli
4. Cassia
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