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Q. No.Dicot leaves are different from monocot leaves as in the former
1.
Guard cells are dumb-cell shaped
2.
More stomata are present at abaxial surface as compared to adaxial surface
3.
Trichomes are usually unicellular
4.
Guard cells possess chloroplasts
Subtopic: Dicot Leaf | Monocot Leaf |
75%
From NCERT
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Vascular bundles in wheat stems are
1. Scattered and open
2. Conjoint and open
3. Radial and closed
4. Conjoint and closed
1. Scattered and open
2. Conjoint and open
3. Radial and closed
4. Conjoint and closed
Subtopic: Vascular Tissue System |
70%
From NCERT
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Read the features related to the anatomical structure of a plant exhibit double fertilization
(i) It comprises a single layer
(ii) It has barrel-shaped cells with no intercellar spaces
(iii) It has Casparian strips
That structure is
1. Epidermis of monocot leaf
2. Pericycle of dicot root
3. Endodermis of monocot root
4. Endodermis of Pinus root
(i) It comprises a single layer
(ii) It has barrel-shaped cells with no intercellar spaces
(iii) It has Casparian strips
That structure is
1. Epidermis of monocot leaf
2. Pericycle of dicot root
3. Endodermis of monocot root
4. Endodermis of Pinus root
Subtopic: Anatomy of Root | Dicot Stem |
53%
From NCERT
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In all of the following cases monocot root is similar to dicot root, except
| 1. | Pericycle gives rise to lateral roots |
| 2. | Parenchymatous cells lie between the xylem and the phloem |
| 3. | Usually more than six (polyarch) xylem bundles |
| 4. | Exarch xylem |
Subtopic: Anatomy of Root |
83%
From NCERT
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Water-impermeable layer in dicot roots is
1. Sclerenchymatous in nature
2. Innermost layer of cortex
3. Occupy the central portion
4. Present just below pericycle
1. Sclerenchymatous in nature
2. Innermost layer of cortex
3. Occupy the central portion
4. Present just below pericycle
Subtopic: Anatomy of Root |
70%
From NCERT
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The transverse section of a plant shows following anatomical features
Identify the category of plants and its parts
1. Monocotyledonous stem
2. Dicotyledonous root
3. Monocotyledonous root
4. Dicotyledonous stem
| a. | Sclerenchymatous hypodermis |
| b. | Scattered vascular bundles with peripheral smaller than centrally located ones |
| c. | Water-containing cavities present within the vascular bundles |
Identify the category of plants and its parts
1. Monocotyledonous stem
2. Dicotyledonous root
3. Monocotyledonous root
4. Dicotyledonous stem
Subtopic: Dicot Stem |
79%
From NCERT
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The extrastelar cambium in dicot stem forms all of the following cells, except
1. Epidermal cells
2. Cork cells
3. Cortical cells
4. Complementary cells
1. Epidermal cells
2. Cork cells
3. Cortical cells
4. Complementary cells
Subtopic: Anatomy of Root |
52%
From NCERT
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Select correct statements with respect to bulliform cells
1. Only a, b and c
2. Only a, c and e
3. Only b , d and e
4. All a, b, c, d and e
| a. | Modified abaxial epidermal cells |
| b. | Large, empty, colourless cells |
| c. | Photosynthetic contain chloroplast |
| d. | Make the leaves curl inwards during water stress conditions |
| e. | Help to minimise water loss |
1. Only a, b and c
2. Only a, c and e
3. Only b , d and e
4. All a, b, c, d and e
Subtopic: Dicot Leaf | Monocot Leaf |
76%
From NCERT
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Which of the following are produced by vascular cambium?
| 1. | Secondary xylem and secondary cortex |
| 2. | Secondary phloem and cork cells |
| 3. | Secondary medullary rays and secondary cortex |
| 4. | Secondary medullary rays, secondary xylem and secondary phloem |
Subtopic: Activity of Vascular Cambium (OLD NCERT) |
79%
From NCERT
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Identify wrong w.r.t. peripherally located younger areas of secondary xylem
1. Formed during both spring and autumn seasons
2. Also Known as early wood
3. Lighter in colour
4. Involved in the conduction of water and minerals
1. Formed during both spring and autumn seasons
2. Also Known as early wood
3. Lighter in colour
4. Involved in the conduction of water and minerals
Subtopic: Types of Wood (OLD NCERT) |
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