Select Chapter Topics:
Q. No.
Statement I:
In grasses, certain adaxial epidermal cells along the veins modify themselves into large, empty, colourless bulliform cells.
Statement II:
When the bulliform cells in the leaves have absorbed water and are turgid, the leaf surface is exposed.
1.
Statement I is correct; Statement II is correct
2.
Statement I is correct; Statement II is incorrect
3.
Statement I is incorrect; Statement II is correct
4.
Statement I is incorrect; Statement II is incorrect
Subtopic: Monocot Leaf |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Parenchymatous tissue is involved in:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Photosynthesis |
| II: | Storage of food materials |
| III: | Secretion and excretion |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Simple Tissue: Parenchyma |
62%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Presence of exarch and polyarch vascular bundles is characteristically seen in:
| 1. | Monocot stem | 2. | Monocot root |
| 3. | Dicot stem | 4. | Dicot root |
Subtopic: Anatomy of Root |
74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion (A): | Xylem and phloem are not called complex tissues in a plant body. |
| Reason (R): | They are composed of a single type of cell with similar structures and functions. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Complex Tissue: Xylem | Complex Tissue: Phloem |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The given figure shows:
I: Radial vascular bundles.
II: Open vascular bundles
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: Radial vascular bundles.
II: Open vascular bundles
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Vascular Tissue System |
72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion(A): | Apical meristems and intercalary meristems are primary meristems. |
| Reason (R): | They appear early in life of a plant and contribute to the formation of the primary plant body. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Meristematic Tissue:Classification (OLD NCERT) | Meristematic Tissue: Shoot Apex (OLD NCERT) |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Name the plant tissue shown in the given figure:
1. Parenchyma
2. Collenchyma
3. Fibres
4. Sclereids
1. Parenchyma
2. Collenchyma
3. Fibres
4. Sclereids
Subtopic: Simple Tissue: Chollenchyma & Sclerenchyma |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify A, B, C and D in the given figure:
| A | B | C | D | |
| 1. | Bundle sheath cells | Palisade mesophyll | Spongy mesophyll | Abaxial epidermis |
| 2. | Bundle sheath cells | Palisade mesophyll | Spongy mesophyll | Adaxial epidermis |
| 3. | Spongy mesophyll | Bundle sheath cells | Palisade mesophyll | Abaxial epidermis |
| 4. | Palisade mesophyll | Spongy mesophyll | Bundle sheath cells | Adaxial epidermis |
Subtopic: Monocot Leaf |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Both sieve tube cells in plants and erythrocytes in humans:
1. lack mitochondria
2. have a non-cellulosic cell wall
3. carry respiratory pigments
4. are characterised by an absence of nucleus
1. lack mitochondria
2. have a non-cellulosic cell wall
3. carry respiratory pigments
4. are characterised by an absence of nucleus
Subtopic: Complex Tissue: Phloem |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements.
1. Only Statement I is correct.
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
| Statement I: | Gymnosperms lack albuminous cells and sieve cells. |
| Statement II: | Gymnosperms have sieve tubes and companion cells. |
2. Only Statement II is correct.
3. Both Statement I and Statement II are correct.
4. Both Statement I and Statement II are incorrect.
Subtopic: Complex Tissue: Xylem | Complex Tissue: Phloem |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.