Stems contain chlorophyll and carry out photosynthesis in:
1. Opuntia and Euphorbia | 2. Mint and Jasmine |
3. Pistia and Eichhornia | 4. Banana and Pineapple |
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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 |
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Apocarpous gynoecium is seen in:
1. Lotus | 2. Mustard |
3. Papaver | 4. Tomato |
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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 |
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The term that describes united sepals in a flower is:
1. | Calyx | 2. | Perianth |
3. | Gamosepalous | 4. | Polysepalous |
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The placentation shown below will be seen in:
1. | Argemone | 2. | Dianthus |
3. | Tomato | 4. | Sunflower |
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A parallel venation will be seen in the leaves of all the following plants except:
1. | Wheat | 2. | Rice |
3. | Pea | 4. | Maize |
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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 |
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Seed coat is membranous and generally fused with the fruit wall in:
1. | Apple | 2. | Maize |
3. | Coconut | 4. | Castor |
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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 |
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