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Q. No.The flower cannot be divided into two similar halves by any vertical plane passing through the centre in:
1.
Canna
2.
Pea
3.
Mustard
4.
Datura
Subtopic: Flower & Parts of Flower |
86%
From NCERT
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The floral diagram describes the members of angiosperms belonging to the family:
1. Brassicaceae
2. Fabaceae
3. Liliaceae
4. Solanaceae
1. Brassicaceae
2. Fabaceae
3. Liliaceae
4. Solanaceae
Subtopic: Semi Technical Description | Families of Flowering Plant |
86%
From NCERT
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Consider the given two statements:
| Statement I: | Stem tendrils which develop from axillary buds are slender and spirally coiled and help plants to climb such as in Citrus and Bougainvillea. |
| Statement II: | Axillary buds of stems may get modified into woody, straight and pointed thorns found in many plants such as gourds and grapevines. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Modifications of Stem |
66%
From NCERT
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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 [Modification of plant part] |
COLUMN II [Example] |
||
| A | Leaf spine | P | Pea |
| B | Leaf tendril | Q | Bougainvillea |
| C | Stem tendril | R | Cucumber |
| D | Stem thorn | S | Cactus |
| A | B | C | D | |
| 1. | P | R | Q | S |
| 2. | S | R | P | Q |
| 3. | S | P | R | Q |
| 4. | S | P | Q | R |
Subtopic: Modification of Roots | Modifications of Stem |
76%
From NCERT
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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 [Family] |
Column II [Floral diagram] |
||
| A | Brassicaceae | P |  |
| B | Fabaceae | Q |  |
| C | Solanaceae | R |  |
| D | Liliaceae | S |  |
| A | B | C | D | |
| 1. | Q | P | R | S |
| 2. | Q | P | S | R |
| 3. | P | Q | R | S |
| 4. | P | Q | S | R |
Subtopic: Semi Technical Description | Families of Flowering Plant: I | Families of Flowering Plant |
89%
From NCERT
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In reference to the given figure, the position of ovary and type of flowers respectively will be:
1. Superior, Hypogynous
2. Inferior, Epigynous
3. Half-inferior, Perigynous
4. Inferior, Epigynous
1. Superior, Hypogynous
2. Inferior, Epigynous
3. Half-inferior, Perigynous
4. Inferior, Epigynous
Subtopic: Flower & Parts of Flower |
75%
From NCERT
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In China rose stamens are:
| 1. | united into one bundle |
| 2. | united into two bundles |
| 3. | united into more than two bundles |
| 4. | having filaments with variable length |
Subtopic: Flower & Parts of Flower |
81%
From NCERT
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Which of the following will not be applicable for China rose?
1. Alternate phyllotaxy
2. Hypogynous flower
3. Valvate aestivation for corolla
4. Monoadelphous stamens
1. Alternate phyllotaxy
2. Hypogynous flower
3. Valvate aestivation for corolla
4. Monoadelphous stamens
Subtopic: Flower & Parts of Flower |
81%
From NCERT
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All the following are floral characters of members of family Solanaceae except:
1. Zygomorphic flower
2. Valvate aestivation
3. Epipetalous stamens
4. Endospermous seeds
1. Zygomorphic flower
2. Valvate aestivation
3. Epipetalous stamens
4. Endospermous seeds
Subtopic: Families of Flowering Plant |
75%
From NCERT
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The number of correct statements from the given statements is:
1. 2
2. 3
3. 4
4. 5
| I: | In a typical dicotyledonous embryo, the portion of the embryonal axis above the level of cotyledons is the epicotyl, which terminates with the plumule or stem tip. |
| II: | In a typical dicotyledonous embryo, the cylindrical portion below the level of cotyledons is hypocotyl, and it terminates at its lower end in the radicle or root tip. |
| III: | In the grass family, the cotyledon is called the scutellum, which is situated towards one side (lateral) of the embryonal axis. |
| IV: | At its lower end, the embryonal axis in monocots has the radical and root cap enclosed in an undifferentiated sheath called coleorhiza. |
| V: | In monocots, the portion of the embryonal axis above the level of attachment of the scutellum is the epicotyl. |
1. 2
2. 3
3. 4
4. 5
Subtopic: Seed |
57%
From NCERT
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