In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
1. Root cap, cell division, cell enlargement, cell maturation
2. Root cap, cell division, cell maturation, cell enlargement
3. Cell division, cell enlargement, cell maturation, root cap
4. Cell division, cell maturation, cell enlargement, root cap

Subtopic:  Morphology of Roots |
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Which of the following plants are used as green manure in crop fields and in sandy soils
1. Crotolariajuncea and Alhagicamelorum
2. Calotropisprocera and Phyllanthusnintri
3. Saccharummunja and Lantana camara
4. Dichanthiumannulatum and Azollanilotica

Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant |
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What is the arrangement of various regions starting from root tip?
1. Root cap, cell division, cell enlargement and cell maturation
2. Root cap, cell division, cell maturation and cell enlargement
3. Cell division, cell maturation, cell enlargement and root cap
4. Cell division, cell enlargement, cell maturation and root cap

Subtopic:  Morphology of Roots |
 84%
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Sweet potato is homologous to:

1.  Potato 2. Colocasia
3.  Ginger 4.  Turnip
Subtopic:  Concept of Organic Evolution: Evidence |

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Roots play insignificant role in absorption of water in: 
1. Pistia
2. Pea
3. Wheat
4. Sunflower

Subtopic:  Modification of Roots |
 76%
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Root hairs develop from the region of:
1. Maturation
2. Elongation
3. Root cap
4. Meristematic activity

Subtopic:  Morphology of Roots |
 82%
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Sweet potato is a modified
1. Stem
2. Rhizome
3. Tap root
4. Adventitious root

Subtopic:  Modification of Roots |
 68%
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Eye of Potato is
1. Apical bud
2. Axillary bud
3. Accessory bud
4. Adventitious bud

Subtopic:   Modifications of Stem |
 69%

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Which one of the following is correctly matched
1. Onion - Bulb
2. Ginger - Sucker
3. Chlamydomonas - Conidia
4. Yeast – Zoospores

Subtopic:  Modification of Roots |
 75%

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An example of edible underground stem is
1. Carrot
2. Groundnut
3. Sweet potato
4. Potato

Subtopic:   Modifications of Stem |
 69%
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