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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is true about cork cambium?
1. It is extrastelar cambium in dicot stem.
2. In dicot stem it arises from the cells of cortex region.
3. It is also known as phellogen.
4. All the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the Column I and II.
Column I |
Column II |
A. Bulliform cells |
1. Stomata |
B. Guard cells |
2. Aerating pore |
C. Lenticels |
3. Accessory cells |
D. Subsidiary cell |
4. Isobilateral cells |
A B C D
(a) 1 2 3 4
(b) 3 1 2 4
(c) 4 1 2 3
(d) 4 3 2 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the wrong statement in the context of cork cambium
1. Cork cambium is also called phellogen
2. Cork cambium is usually developed from the secondary xylem
3. Outer cells of phellogen differentiate into cork
4. Inner part of phellogen leads to the formation of phelloderm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLenticels are present in
1. Outer primary protective tissue
2. The outer layer of secondary protective tissue
3. The middle layer of secondary protective tissue
4. Inner layer of secondary protective tissue
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyColumn I | Column II |
A. Spring wood or early wood B. Autumn wood or late wood |
I. Lighter in colour II. Density high III. Density low IV. Darker in colour V. Larger number of xylary elements VI. Vessels with wider cavity VII. Lesser number of xylary elements VIII. Vessels with small cavity |
Which of the following matching is correct?
1. A – II, IV, VII, VIII; B – I, III, V, VI
2. A – I, II, VIII, VIII; B – III, IV, V, VI
3. A – I, III, V, VI; B – II, IV, VII, VIII
4. A – I, III, VII, VIII; B – II, IV, V, VI
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe term 'bark' includes:
I. Phellogen
II. Phellem
III. Phelloderm
IV. Secondary phloem
1. I, II and III only
2. I, II and IV only
3. II, III and IV only
4. I, II, III and IV only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA tree can be killed by removing its bark, as this also removes the ________.
1. Phelloderm only
2. Phellem only
3. Primary xylem
4. Secondary phloem
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBark refers to all the tissues
1. External to vascular cambium
2. External to cork cambium
3. Formed earlier in the season
4. Impregnated with suberin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe tissue belonging to bark but not to periderm is
1. Vascular cambium
2. Secondary phloem
3. Phellem
4. Secondary cortex
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology