If the fruit is formed without the fertilization of ovary, it is called as:
1. | Parthenogenetic | 2. | Parthenocarpic |
3. | Aggregate | 4. | False |
Epigynous flower is seen in:
1. | China rose | 2. | Brinjal |
3. | Mustard | 4. | Ray florets of sunflower |
Which of the following is an endospermic seed?
1. | Bean | 2. | Gram |
3. | Pea | 4. | Castor |
Generally, monocotyledonous seeds are endospermic. An important exception may be:
1. | Rice | 2. | Wheat |
3. | Orchids | 4. | Pea |
Identify the correct statements amongst the following:
I: | When a shoot tip transforms into a flower, it is always solitary |
II: | In racemose inflorescence, the main axis continues to grow and flowers are borne in basipetal order |
III: | In cymose inflorescence, the main axis terminates in a flower and flowers are borne in basipetal order |
1. | Only I | 2. | Only I and II |
3. | Only I and III | 4. | Only II and III |
Scutellum is:
1. | shield shaped cotyledon in monocotyledons |
2. | protein layer in the outer endosperm in monocotyledons |
3. | starchy endosperm of dicotyledons |
4. | stony hard seed coat in some seeds |
The sheath covering the plumule in monocotyledonous seeds is called as:
1. | Coleorrhiza | 2. | Coleoptile |
3. | Testa | 4. | Tegmen |
A bud is present in the axil of:
I: | petiole in simple leaves |
II: | petiole in compound leaves |
III: | leaflets of the compound leaves |
1. Only I and II | 2. Only I and III |
3. Only II and III | 4. I, II and III |
Identify the incorrectly matched pair regarding floral characters of family Solanaceae:
1. |
Flower symmetry |
Actinomorphic |
2. |
Aestivation |
Valvate |
3. |
Placenta |
Parietal |
4. |
Fruit |
Berry or Capsule |
The mature seed of plants such as gram and peas, possess no endosperm, because
1. | These plants are not angiosperms |
2. | There is no double fertilization in them |
3. | Endosperm is not formed in them |
4. | Endosperm gets used up by the developing embryo during seed development |