Q. No.Roots arising from the parts of a plant other than radical are called as:
| 1. | Tap root | 2. | Fibrous roots |
| 3. | Adventitious roots | 4. | Lateral roots |
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The stems of maize and sugarcane have:
| 1. | stilt roots that are hanging and supporting structures |
| 2. | prop roots that are hanging and supporting structures |
| 3. | prop roots coming out from the nodes in upper stem |
| 4. | supporting stilt roots coming out of the lower nodes of the stem |
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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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Pneumatophores are found in plants growing in:
| 1. Xeric conditions | 2. Swampy areas |
| 3. Hypersaline environments | 4. Permafrost conditions |
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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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| Statement I: | Tap root of sweet potato and adventitious roots of carrot, turnip get swollen and store food. |
| Statement II: | Prop roots are hanging and supporting structures in a banyan tree. |
| Statement III: | Stilt root arising from the uppermost nodes in stems of maize and sugarcane are also supporting roots. |
| Statement IV: | Pneumatophores help plants like Rhizophora growing in swampy areas to get oxygen for respiration. |
| I | II | III | IV | |
| 1. | T | T | F | F |
| 2. | F | T | F | T |
| 3. | T | F | T | F |
| 4. | F | F | T | T |
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What is not true for a stem in a flowering plant in general?
| 1. | Negatively geotropic |
| 2. | Develops from plumule of the germinating embryo |
| 3. | Absence of terminal and axillary buds |
| 4. | Spreads out branches bearing leaves, flowers and fruits |
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Stem tendrils are present in all the following except:
| 1. Citrus | 2. Watermelon |
| 3. Cucumber | 4. Grapevines |
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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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