Q. No.Mark true (T) or false (F) for the given statements:
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.
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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| 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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| 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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Statement I: In racemose type of inflorescence, the main axis terminates in a flower, hence is limited in growth and the flowers are borne in a basipetal order.
Statement II: In cymose type of inflorescence, the main axis continues to grow and the flowers are borne laterally in an acropetal succession.
1. Statement I is correct and Statement II is incorrect
2. Statement I is incorrect and Statement II is correct
3. Statement I and Statement II are correct
4. Statement I and Statement II are incorrect
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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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