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Q. No.Stem is modified into a fleshy cylindrical structure in:
1.
Euphorbia
2.
Pistia
3.
Citrus
4.
Bougainvillea
Subtopic: Modifications of Stem |
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How many of the given statements are true?
| A: | Alternate phyllotaxy is seen in China Rose, Mustard, and Sunflower. |
| B: | Opposite phyllotaxy is seen in Calotropis and Guava. |
| C: | Whorled phyllotaxy is seen in Alstonia. |
Mark the correct option:
| 1. | 0 | 2. | 1 |
| 3. | 2 | 4. | 3 |
Subtopic: Venation, Types of Leaves & Phyllotaxy |
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Identify the correct match:
1. Only I and II
2. Only III
3. Only I and III
4. I, II and III
| I: | China rose | - | Malvaceae |
| II: | Mustard | - | Brassicaceae |
| III: | Sunflower | - | Asteraceae |
2. Only III
3. Only I and III
4. I, II and III
Subtopic: Families of Flowering Plant |
87%
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A | Actinomorphic flower | P | Cassia |
| B | Zygomorphic flower | Q | Datura |
| C | Asymmetrical flower | R | Canna |
| A | B | C | |
| 1. | P | Q | R |
| 2. | Q | P | R |
| 3. | Q | R | P |
| 4. | P | R | Q |
Subtopic: Flower & Parts of Flower |
91%
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The condition of stamens shown in the figure is seen in members of the family:
| 1. | Malvaceae | 2. | Solanaceae |
| 3. | Brassicaceae | 4. | Compositae |
Subtopic: Families of Flowering Plant |
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Identify the incorrectly matched pair:
| Sub-aerial modification of stem | Example | |
| 1. | Runner | Oxalis |
| 2. | Stolon | Peppermint |
| 3. | Offset | Pistia |
| 4. | Sucker | Eicchornia |
Subtopic: Aerial Stem Modification |
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Regarding the regions of the root tip:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I. | Root cap protects the tender apex of the root |
| II. | Region of elongation is proximal to region of meristematic activity |
| III. | Region of maturation has root hairs |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Morphology of Roots |
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Identify the correct statement regarding the stem morphology from the following:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Axillary buds may get modified into thorns as in gourds. |
| II: | Stem tendrils develop from axillary buds as in Citrus. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Aerial Stem Modification |
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The type of placentation shown in the given figure is seen in:
1. Marigold
2. Argemone
3. Dianthus
4. China rose
1. Marigold
2. Argemone
3. Dianthus
4. China rose
Subtopic: Flower & Parts of Flower |
83%
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Match the following parts of a monocot seed with their functions:
1. A-4, B-2, C-3, D-1
2. A-3, B-4, C-2, D-1
3. A-1, B-3, C-4, D-2
4. A-2, B-1, C-3, D-4
| Column I | Column II | ||
| A. | Scutellum | 1 | Anchorage |
| B. | Coleorhiza | 2 | Protects radicle |
| C. | Coleoptile | 3 | Protects plumule |
| D. | Radicle | 4 | Acts as cotyledon |
2. A-3, B-4, C-2, D-1
3. A-1, B-3, C-4, D-2
4. A-2, B-1, C-3, D-4
Subtopic: Seed |
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