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Q. No.If a dicot plant bears flowers but never produces fruits and seeds, the plant is most likely:
1. Dioecious with only pistillate flowers
2. Dioecious with only staminate flowers
3. Plant is monoecious
4. Plant is self-pollinated
Subtopic: Flower & Parts of Flower |
77%
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Identify the incorrectly matched pair:
1. Monadelphous stamens: China rose
2. Vexillary aestivation: Pea
3. Actinomorphic flower: Mustard
4. Apocarpous gynoecium: Tomato
1. Monadelphous stamens: China rose
2. Vexillary aestivation: Pea
3. Actinomorphic flower: Mustard
4. Apocarpous gynoecium: Tomato
Subtopic: Flower & Parts of Flower |
79%
From NCERT
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Which of the following will not be a floral feature of Brassicaceae [Cruciferae]?
1. Four-petaled flowers
2. Six stamens
3. Inferior ovary
4. Raceme inflorescence
1. Four-petaled flowers
2. Six stamens
3. Inferior ovary
4. Raceme inflorescence
Subtopic: Flower & Parts of Flower |
78%
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How many of the given pairs are correctly matched?
1. 0
2. 1
3. 2
4. 3
| I: | Perigynous flower : Rose |
| II: | Imbricate aestivation : Gulmohur |
| III: | Polyadelphous stamens : Citrus |
2. 1
3. 2
4. 3
Subtopic: Flower & Parts of Flower |
83%
From NCERT
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Subtopic: Flower & Parts of Flower |
85%
From NCERT
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Consider the two 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: | Bladderwort and Venus fly trap are insectivorous plants. |
| II: | Cuscuta is a parasitic plant. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Modification of Leaf |
95%
From NCERT
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Members of Family Brassicaceae have:
| I: | Four petals usually arranged in a cross shape |
| II: | Tetradynamous stamens |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Semi Technical Description | Families of Flowering Plant |
75%
From NCERT
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Which of the following is an important exception to the general finding that monocotyledonous seeds are endospermic?
1. Rice
2. Wheat
3. Pea
4. Orchids
Subtopic: Seed |
80%
From NCERT
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How many of the given statements are correct?
| A: | In both mango and coconut, the fruit is known as a drupe. |
| B: | Drupe develops from monocarpellary superior ovaries. |
| C: | Drupes are one-seeded. |
| D: | Mesocarp is edible part of the fruit in both mango and coconut. |
1. 1
2. 2
3. 3
4. 4
Subtopic: Fruits & their Types |
76%
From NCERT
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Which of the following will not be true regarding the floral characters of members of Solanaceae?
| 1. | Flowers are bisexual and zygomorphic. |
| 2. | Calyx has five sepals which are united, persistent with velvet pubescence. |
| 3. | Androecium has five stamens that are epipetalous. |
| 4. | Gynoecium has bicarpellary, obliquely-placed syncarpous superior ovary. |
Subtopic: Families of Flowering Plant |
80%
From NCERT
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