Which one is true for spongy parenchyma
1.abaxially placed to palisade parenchyma
2.oval or round & loosely arranged cells
3. extends to the abaxial epidermis
4.All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe tissue between the upper and lower epidermis is called
(1) Chlorophyll
(2) Mesophyll
(3) Cambium
(4) Endodermis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true for palisade parenchyma?
1. adaxially placed
2. elongated cells
3. vertically and parallely placed
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is true for dicot leaf
1. veins thickness vary
2. reticulate venation is present
3. all vascular bundles are similar in size
4. Both 1 and 2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVascular bundles are surrounded by a layer of thick walled ________.
1. Bundle sheath cells
2. Cuticle
3. Casparian strip
4. Waxy cell
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMidrib and veins of the represent
(1)vascular bundle
(2) cortex
(3)palisade parenchyma
(4)spongy parenchyma
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following statements about dicot leaf:
I: | The epidermis which covers both the upper surface (adaxial epidermis) and lower surface (abaxial epidermis) of the leaf has a conspicuous cuticle. |
II: | More stomata present on upper surface. |
III: | Mesophyll is differentiated into palisade and spongy parenchyma. |
Which of the above statements are true?
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II and III |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe size of the vascular bundles are dependent on the size of the
1. veins
2. air cavities
3. chloroplast
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe main parts of the lamina of the dorsiventaral leaf are
(1)epidermis
(2)mesophyll tissues
(3)vascular system
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySpongy tissue is generally situated towards which side in dorsiventral leaf ?
1. Abaxial
2. Adaxial
3. Upper
4. Ventral
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology