Q. No.The lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upwards giving rise to leafy shoots in:
1. Opuntia and Euphorbia
2. Mint and Jasmine
3. Pistia and Eichhornia
4. Banana and Pineapple
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Usually the anther in an angiosperm has:
1. two lobes and each lobe has two pollen sacs
2. two lobes and each lobe has one pollen sac
3. four lobes and each lobe has one pollen sac
4. four lobes and each lobe has two pollen sacs
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Stamens attached to the perianth as in the flowers of lily are called as:
| 1. | Epipetalous | 2. | Epiphyllous |
| 3. | Polypetalous | 4. | Gamopetalous |
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Variation in the length of filaments within a flower is seen in:
| 1. | Pea | 2. | Citrus |
| 3. | Salvia | 4. | Brinjal |
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Both stem tendrils and stem thorns:
1. help the plant to climb
2. develop from axillary buds
3. protect plants from browsing animals
4. can be used in vegetative propagation
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After fertilization, the ovules develop into _____ and ovary matures into ______.
| 1. | Fruit, Seeds | 2. | Seeds, Fruit |
| 3. | Seeds, Seed coat | 4. | Embryo, Endosperm |
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At the root tip, the cells that are responsible for the growth of the root in length are located in the region that is:
1. distal to the region of meristematic activity
2. proximal to the region of meristematic activity
3. proximal to the region of maturation
4. distal to the region of elongation
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Ovary is one chambered but it becomes two chambered due to the formation of a false septum in:
| 1. | Mustard and Argemone | 2. | Argemone and Dianthus |
| 3. | Mustard and Primrose | 4. | Argemone and Primrose |
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If the fruit is formed without the fertilization of ovary, it is called as:
| 1. | Parthenogenetic | 2. | Parthenocarpic |
| 3. | Aggregate | 4. | False |
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