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Q. No.The given floral formula represents plants belonging to the family:
1.
Gramineae
2.
Malvaceae
3.
Cruciferae
4.
Leguminosae
Subtopic: Families of Flowering Plant |
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All the following are floral characteristics of plants belonging to the Gramineae family except:
1. Flowers are characteristically arranged in spikelets
2. The flowers are usually unisexual
3. The perianth is reduced to two scales, called lodicules
4. The fruit is a caryopsis
1. Flowers are characteristically arranged in spikelets
2. The flowers are usually unisexual
3. The perianth is reduced to two scales, called lodicules
4. The fruit is a caryopsis
Subtopic: Families of Flowering Plant |
74%
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Which family is regarded as the most advanced & highly evolved and is considered to occupy the highest position in the plant kingdom?
1. Compositae
2. Gramineae
3. Cruciferae
4. Orchidaceae
1. Compositae
2. Gramineae
3. Cruciferae
4. Orchidaceae
Subtopic: Families of Flowering Plant |
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All the following are members of family Malvaceae except:
1. Gossypium species
2. Abelmoschus esculentus
3. Arabidopsis thaliana
4. Hibiscus rosa-sinensis
1. Gossypium species
2. Abelmoschus esculentus
3. Arabidopsis thaliana
4. Hibiscus rosa-sinensis
Subtopic: Families of Flowering Plant |
58%
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Vegetables such as cabbage, broccoli, cauliflower, kale, Brussels sprouts belong to the family:
1. Gramineae
2. Malvaceae
3. Cruciferae
4. Leguminosae
1. Gramineae
2. Malvaceae
3. Cruciferae
4. Leguminosae
Subtopic: Families of Flowering Plant |
75%
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Roots are modified in some plants for storing reserve food materials. These modified roots usually are swollen and assume different forms. Which of the following such roots does not have any definite shape?
1. radish
2. beet
3. carrot
4. sweet potato
1. radish
2. beet
3. carrot
4. sweet potato
Subtopic: Modification of Roots |
79%
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Roots are modified to provide mechanical support as seen in:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II, and III are correct
| I: | prop roots of banyan |
| II: | stilt roots of maize |
| III: | betel/black where nodes and internodes bear roots that help in climbing |
2. Only I and III are correct
3. Only II and III are correct
4. I, II, and III are correct
Subtopic: Modification of Roots | Modifications of Stem |
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Runner, a stem modification for vegetative propagation, is found in all of the following except:
1. Cyanodon dactylon
2. Oxalis
3. Pistia
4. Marsilea
1. Cyanodon dactylon
2. Oxalis
3. Pistia
4. Marsilea
68%
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How many of the given pairs are correctly matched?
1. 1
2. 2
3. 3
4. 4
| Leaf modification for | Example | |
| A: | Protection | Argemone |
| B: | Mechanical support | Pea |
| C: | Storage of food | Onion |
| D: | Trapping insects | Nepenthes |
2. 2
3. 3
4. 4
Subtopic: Modification of Leaf |
From NCERT
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Regarding regions of roots in angiosperms
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II, and III are correct
| I: | the apex is covered by a thimble-like structure called the root cap |
| II: | cells of the region of meristematic activity divide repeatedly |
| III: | Root hairs are found in the region of elongation |
2. Only I and III are correct
3. Only II and III are correct
4. I, II, and III are correct
Subtopic: Morphology of Roots |
84%
From NCERT
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