Q. No.In general, the functions of the root system of a plant would include all the following except:
1. Absorption of water and minerals from the soil
2. Providing proper anchorage to the plant parts
3. Synthesis of reserve food material
4. Synthesis of plant growth regulators
1. Absorption of water and minerals from the soil
2. Providing proper anchorage to the plant parts
3. Synthesis of reserve food material
4. Synthesis of plant growth regulators
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Rearrange the following zones as seen in the root in vertical section and choose the correct option.
A. Root hair zone
B. Zone of meristems
C. Rootcap zone
D. Zone of maturation
E. Zon of elongation
Options:
| 1. | C, B, E, A, D | 2. | A, B, C, D, E |
| 3. | D, E, A, C, B | 4. | E, D, C, B, A |
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In an inflorescence where flowers are borne laterally in an acropetal succession, the position of the youngest floral bud shall be
1. Proximal
2. Distal
3. Intercalary
4. Any where
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The mature seed of plants such as gram and peas, possess no endosperm, because
| 1. | These plants are not angiosperms |
| 2. | There is no double fertilization in them |
| 3. | Endosperm is not formed in them |
| 4. | Endosperm gets used up by the developing embryo during seed development |
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Roots developed from parts of the plant other than radicle are called
1. Taproots
2. Fibrous roots
3. Adventitious roots
4. Nodular roots
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Venation is a term used to describe the pattern of arrangement of
1. Floral organs
2. Flower in inflorescence
3. Veins and veinlets in a lamina
4. All of them
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Endosperm, a product of double fertilization in angiosperms is absent in the seeds of
| 1. | Gram | 2. | Orchids |
| 3. | Maize | 4. | Castor |
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Many pulses of daily use belong to one of the families below (tick the correct answer)
1. Solanaceae
2. Fabaceae
3. Liliaceae
4. Poceae
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The placenta is attached to the developing seed near the
1. Testa
2. Hilum
3. Micropyle
4. Chalaza
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Which of the following plants is used to extract the blue dye?
1. Trifolium
2. Indigofera
3. Lupin
4. Cassia
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