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Q. No.Identify the incorrectly matched pair:
1.
Pericarp
Wall of the fruit
2.
Perisperm
Residual, persistent nucellus
3.
Perigynous
A flower with superior ovary
4.
Perianth
Floral structure comprised of calyx and corolla especially when the two whorls are fused
Subtopic: Fruits & their Types |
88%
From NCERT
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Consider the following statements about Mustard:
| I: | Its ovary is one-chambered but becomes two-chambered due to formation of a false septum |
| II: | There may be variation in the length of filaments within its flowers |
| III: | Its flower is zygomorphic |
| IV: | Its flowers are located at the rim of the thalamus almost at the same level |
| 1. | Only I and II are correct |
| 2. | All I, II, III and IV are correct |
| 3. | Only I, III and IV are correct |
| 4. | Only I, II and III are correct |
Subtopic: Flower & Parts of Flower |
71%
From NCERT
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Match each item in Column 1 with an item in Column 2:
| Column 1 | Column 2 | ||
| A | Outer layer of the seed coat | P | Coleoptile |
| B | Inner layer of the seed coat | Q | Tegmen |
| C | Sheath enclosing the plumule | R | Coleorhiza |
| D | Sheath enclosing the radicle | S | Testa |
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | S | Q | P | R |
| 3. | S | Q | R | P |
| 4. | Q | S | R | P |
Subtopic: Seed |
83%
From NCERT
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Identify the incorrectly matched pair:
| Placentation | Example | |
| 1. | Marginal | Pea |
| 2. | Axile | China rose |
| 3. | Parietal | Primrose |
| 4. | Basal | Marigold |
Subtopic: Flower & Parts of Flower |
85%
From NCERT
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The type of placentation shown in the given diagram is not seen in:
| 1. | Mustard | 2. | China rose |
| 3. | Tomato | 4. | Lemon |
Subtopic: Flower & Parts of Flower |
69%
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 |
85%
From NCERT
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In pea:
| 1. | Flower is zygomorpohic, aestivation is vexillary, stamens are diadelphous and placentation is marginal. |
| 2. | Flower is actinomorpohic, aestivation is vexillary, stamens are diadelphous and placentation is axile. |
| 3. | Flower is zygomorpohic, aestivation is twisted, stamens are monodelphous and placentation is parietal. |
| 4. | Flower is actinomorpohic, aestivation is imbricate, stamens are diadelphous and placentation is marginal. |
Subtopic: Families of Flowering Plant |
84%
From NCERT
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The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
| 1. | Cotyledon | 2. | Endosperm |
| 3. | Aleurone layer | 4. | Plumule |
81%
From NCERT
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, Mustard, Groundnut, Radish, Gram and Turnip have stamens with different lengths in their flowers?
| 1. Six | 2. Three |
| 3. Four | 4. Five |
55%
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 placnetation |
| 2. | Zygomorphic | Inferior | Polyadelphous | Marginal placentation |
| 3. | Actinomorphic | Superior | Polyadelphous | Axile placentation |
| 4. | Actinomorphic | Superior | Variable length stamens within a flower | Parietal placnetation |
Subtopic: Flower & Parts of Flower |
77%
From NCERT
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