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Q. No.Identify the correct statement:
1.
Monocotyledonous plants generally have taproot systems with one or more primary and secondary roots.
2.
The root hair zone develops in the region of elongation.
3.
Roots that develop from a stem, leaf, or other plant part are called adventitious roots.
4.
Apical meristem is found in the region of maturation.
Subtopic: Morphology of Roots | Modification of Roots |
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Phyllotaxy is:
1. the arrangement of leaves on a stem.
2. the arrangement of leaflets in a compound leaf.
3. the study of leaf anatomy.
4. the study of plant taxonomy.
1. the arrangement of leaves on a stem.
2. the arrangement of leaflets in a compound leaf.
3. the study of leaf anatomy.
4. the study of plant taxonomy.
Subtopic: Venation, Types of Leaves & Phyllotaxy |
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China rose shows all the floral characters except:
1. Hypogynous flower
2. Alternate phyllotaxy
3. Vexillary aestivation of corolla
4. Monoadelphous stamens
1. Hypogynous flower
2. Alternate phyllotaxy
3. Vexillary aestivation of corolla
4. Monoadelphous stamens
Subtopic: Flower & Parts of Flower |
83%
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Subtopic: Flower & Parts of Flower |
76%
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Subtopic: Modifications of Stem |
80%
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Petiole expands, becomes green and synthesizes food in:
1. Opuntia
2. Euphorbia
3. Australian acacia
4. Colocasia
1. Opuntia
2. Euphorbia
3. Australian acacia
4. Colocasia
Subtopic: Modification of Leaf |
77%
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A lateral branch with short internodes and each node bearing a rosette of leaves
and a tuft of roots is found in:
1. Chrysanthemum
2. Pistia
3. Jasmine
4. Pineapple
and a tuft of roots is found in:
1. Chrysanthemum
2. Pistia
3. Jasmine
4. Pineapple
Subtopic: Modifications of Stem |
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How many of the given statements are true?
1. 0
2. 1
3. 2
4. 3
| I: | The primary roots and its branches constitute the tap root system, as seen in the mustard plant. |
| II: | Fibrous root system is seen in the wheat plant. |
| III: | Adventitious roots are seen in Monstera and the banyan tree |
2. 1
3. 2
4. 3
Subtopic: Morphology of Roots |
76%
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How many of the given statements are true?
1. 0
2. 1
3. 2
4. 3
| I: | Stem tendrils are seen in in gourds and grapevines. |
| II: | Axillary buds get modified into thorns in Citrus. |
| III: | Stems are modified into flattened structures in Opuntia. |
2. 1
3. 2
4. 3
Subtopic: Modifications of Stem |
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Regarding the aestivations shown in the given figure:
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: | A is seen in Calotropis. |
| II: | B is seen in Pea. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Flower & Parts of Flower |
75%
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