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Q. No.China rose:
1. belongs to Brassicaceae
2. has parietal placentation
3. has monoadelphous stamen
4. has valvate aestivation
Subtopic: Flower & Parts of Flower |
84%
From NCERT
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Consider the given statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | In flowers of guava and cucumber, the flower is epigynous and the ovary is inferior |
| II: | In flowers of mustard, the flower is hypogynous and the ovary is superior |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Flower & Parts of Flower |
88%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Having the sepals united | Gamosepalous |
| 2. | Sterile stamen | Staminate |
| 3. | Stamens attached to perianth | Epiphyllous |
| 4. | Having the carpels of the gynoecium united in a compound ovary | Syncarpous |
Subtopic: Flower & Parts of Flower |
From NCERT
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In mango and coconut:
| 1. | the fruit is a drupe |
| 2. | edible part is the mesocarp |
| 3. | the fruit is parthenocarpic |
| 4. | thalamus contributes maximum part in the development of the fruit |
Subtopic: Fruits & their Types |
91%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Pneumatophores | Rhizophora |
| 2. | Leaf tendrils | Gourds |
| 3. | Stilt roots | Maize |
| 4. | Palmately compound leaves | Silk cotton |
Subtopic: Aerial Stem Modification |
77%
From NCERT
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Identify the incorrect statement:
| 1. | Ray florets of sunflower have epigynous flowers with inferior ovary. |
| 2. | In vexillary aestivation, keel are the two largest posterior petals. |
| 3. | Stamens are united into one bunch in China rose. |
| 4. | Placentation is marginal in Pea. |
Subtopic: Flower & Parts of Flower |
82%
From NCERT
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Which of the following is/are a correct match?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| Fabaceae | Solanaceae | ||
| I. | Ovary | Inferior | Monocarpellary unilocular |
| II. | Fruit | Endospermous | Non-endospermic |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Semi Technical Description |
65%
From NCERT
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Identify the option where the features are correctly matched to types with respect to mustard:
| Flower symmetry | Ovary position | Androecium | Gynoecium | |
| 1. | Zygomorphic | Inferior | Variable length stamens within a flower | Parietal placentation |
| 2. | Zygomorphic | Inferior | Polyadelphous | Marginal placentation |
| 3. | Actinomorphic | Superior | Polyadelphous | Axile placentation |
| 4. | Actinomorphic | Superior | Variable length stamens within a flower | Parietal placentation |
Subtopic: Flower & Parts of Flower |
77%
From NCERT
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Subtopic: Flower & Parts of Flower |
81%
From NCERT
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Match each item in Column I with the one given in Column II and select the correct match from the codes given:
Codes:
| Column I [Position of Ovary] |
Column II [Type of flower] |
||
| A. | Inferior | P. | Hypogynous |
| B. | Half inferior | Q. | Perigynous |
| C. | Superior | R. | Epigynous |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | R | Q | P |
| 4. | R | P | Q |
Subtopic: Flower & Parts of Flower |
86%
From NCERT
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