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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The pointed structures seen emerging from ground in the given picture are called:
| 1. Pneumatophores 2. Haustoria 3. Assimilatory roots 4. Stilt roots |
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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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The Great Banyan Tree is over 250 years old and covers about 14,500 square meters of land (3.5 acres) in the Acharya Jagadish Chandra Bose Botanical Garden near Kolkata (Calcutta), making it the widest tree in the world. From a distance, the tree has the appearance of a forest, but what appear to be individual trees are actually aerial roots- around 3,000 of them. These aerial roots are called:
| 1. Haustoria 2. Pneumatophores 3. Prop roots 4. Climbing roots |
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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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