Q. No.What would be the arrangement of floral whorls on the thalamus of a complete flower beginning from the innermost:
1. Calyx, corolla, androecium and gynoecium
2. Calyx, corolla, gynoecium and androecium
3. Gynoecium, androecium, corolla and calyx
4. Androecium, gynoecium, corolla and calyx
1. Calyx, corolla, androecium and gynoecium
2. Calyx, corolla, gynoecium and androecium
3. Gynoecium, androecium, corolla and calyx
4. Androecium, gynoecium, corolla and calyx
Subtopic: Flower & Parts of Flower |
73%
From NCERT
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Consider the two statements:
| Statement I: | When a flower has both androecium and gynoecium, it is dioecious. |
| Statement II: | Androecium and gynoecium are accessory organs of a flower. |
| 1. | Only Statement I is correct |
| 2. | Only Statement II is correct |
| 3. | Both Statement I and Statement II are correct |
| 4. | Both Statement I and Statement II are incorrect |
Subtopic: Flower & Parts of Flower |
68%
From NCERT
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Symmetry in flowers is considered actinomorphic when:
| 1. | They can be divided into two equal halves in any plane. |
| 2. | They can only be divided into two equal halves in one specific plane. |
| 3. | They do not show any symmetry. |
| 4. | They change symmetry at different stages of growth. |
Subtopic: Flower & Parts of Flower |
90%
From NCERT
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Subtopic: Flower & Parts of Flower |
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 | 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%
From NCERT
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How many of the given pairs are correctly matched?
1. 0
2. 1
3. 2
4. 3
| A: | Actinomorphic flower | Pea |
| B: | Zygomorphic flower | Mustard |
| C: | Asymmetric flower | Canna |
2. 1
3. 2
4. 3
Subtopic: Flower & Parts of Flower |
75%
From NCERT
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In a flower, if the gynoecium occupies the highest position, the flower is said to be:
| 1. | Superior | 2. | Inferior |
| 3. | Hypogynous | 4. | Epigynous |
Subtopic: Flower & Parts of Flower |
66%
From NCERT
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The ovary is superior and the flower is hypogynous in:
1. Guava
2. Brinjal
3. Cucumber
4. Ray florets of sunflower
1. Guava
2. Brinjal
3. Cucumber
4. Ray florets of sunflower
Subtopic: Flower & Parts of Flower |
84%
From NCERT
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The given diagram describes:
1. a hypogynous flower with superior ovary
2. an epigynous flower with inferior ovary
3. a perigynous flower with half-inferior ovary
4. a hypogynous flower with inferior ovary
1. a hypogynous flower with superior ovary
2. an epigynous flower with inferior ovary
3. a perigynous flower with half-inferior ovary
4. a hypogynous flower with inferior ovary
Subtopic: Flower & Parts of Flower |
75%
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 |
87%
From NCERT
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