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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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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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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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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| I: | develop at the node, bear buds in their axil that later develop into a branches. |
| II: | originate from shoot apical meristems and are arranged in an acropetal order. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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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 |
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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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| 1. | Stipules | Small leaf like structure, generally two in number, that are sometimes present at the leaf base |
| 2. | Pulvinus | Leaf base in monocotyledons expanded into a sheath covering the stem partially or wholly |
| 3. | Petiole | A stalk that connects the blade with the leaf base |
| 4. | Leaf blade | Also called as lamina and is the green expanded part of the leaf with veins and veinlets |
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| Column I | Column II | ||
| A. | Simple leaf | P. | Lamina is entire or when incised, the incisions do not touch the midribs |
| B. | Pinnately compound leaf | Q. | The leaflets are attached at a common point, i.e., at the tip of petiole |
| C. | Palmately compound leaf | R. | A number of leaflets are present on a common axis, the rachis |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | R | Q | P |
| 4. | Q | P | R |
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| Column I [Phyllotaxy] |
Column II [Example] |
||
| A. | Alternate | P. | Alstonia |
| B. | Opposite | Q. | Calotropis and Guava |
| C. | Whorled | R. | China rose, Mustard and Sunflower |
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | R | Q | P |
| 4. | Q | P | R |
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