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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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. |
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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 |
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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I. | Leaves are modified into tendrils for climbing as in pea. |
II. | Leaves are modified into spines for defence as in cacti. |
III. | The leaves of onion and garlic store food. |
IV. | In Australian acacia, petioles expand, become green and synthesize food. |
V. | The trapping structure of venus fly trap and pitcher of pitcher plant are modified leaves. |
1. 2 | 2. 3 |
3. 4 | 4. 5 |
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1. Mustard | 2. Datura |
3. Chilli | 4. Cassia |
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A. | Actinomorphic flower | Gulmohur |
B. | Zygomorphic flower | Mustard |
C. | Asymmetric flower | Cassia |
1. Only A and B | 2. Only B |
3. Only C | 4. A, B and C |
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1. | Rose | 2. | Plum |
3. | Peach | 4. | China rose |
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