Q. No.A waxy thick layer which prevent water loss is
1. Cuticle
2. Guard cell
3. Epidermis
4. Stomata
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEpidermis in plant is generally
1. Single layered
2. Double layered
3. Triple layered
4. Present in patches
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe most important function of the trichomes is:
| 1. | They prevent water loss due to transpiration |
| 2. | They prevent herbivory |
| 3. | They are sensory structures that decipher the wind velocity and direction |
| 4. | They play an important part in pollination of plants |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Dumb-bell shaped
2. Kidney shaped
3. Rectangular
4. Barrel-shaped
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCuticle is not found in
1. Stem
2. Branches
3. Leaves
4. Roots
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology2. bulliform cells
3. lenticels
4. complementary cells
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMark the incorrect statement with respect to guard cells in stomata
1. In grasses these are dumb-bell shaped
2. They possess chloroplasts
3. Regulate opening and closing of stomata
4. Outer walls are thick and inner walls are thin in dicots
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRoot hairs are ____________ and formed from __________zone of root.
1. unicellular, maturation
2. multicellular, elongation
3. multicellular, maturation
4. unicellular, elongation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below is the diagram of a stomatal apparatus. In which of the following, all the four parts labelled as A, B, C and D are correctly identified:
| A | B | C | D | |
| 1. | Guard cell | Stomatal aperture | Subsidiary Cell | Epidermal Cell |
| 2. | Epidermal Cell | Guard Cell | Stomatal aperture | Subsidiary cell |
| 3. | Epidermal Cell | Subsidiary Cell | Stomatal aperture | Guard Cell |
| 4. | Subsidiary Cell | Epidermal Cell | Guard Cell | Stomatal aperture |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEpidermal cells are parenchymatous with __________ amount of cytoplasm lining, the cell wall and _______ vacuole.
(1) Small, large
(2) Large, small
(3) Small, no
(4) Large, no
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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