271291
Stomata are distributed more on the lower surface than on the upper surface in
1 equifacial leaf
2 bifacial leaf
3 unifacial leaf
4 both(a) and (b)
Explanation:
(b)Stomata are distributed more on the lower surface than on the upper surface in bifacial leaf.
NCERT 87
Anatomy of Flowering Plants
271279
In monocot leaf
1 bulliform cells are absent from the epidermis.
2 veins form a network.
3 mesophyll is well differentiated into these parts.
4 mesophyll is not differentiated into palisade and spongy parenchyma.
Explanation:
(d)In between upper and lower epidermis, mesophyll tissue is present which is undifferentiated into palisade and spongy parenchyma, but all the cells are alike.
NCERT 93
Anatomy of Flowering Plants
271280
The stomatal pore is guarded by
1 kidney shaped guard cells
2 epidermal cells
3 subsidiary cells
4 chloroplast
Explanation:
(a)Stomata are structures present in the epidermis of leaves. The stomatal pore is guarded by kidney shaped guard cells.
NCERT 89
Anatomy of Flowering Plants
271281
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilised. What are the cells/ tissues that store them?
1 Parenchyma
2 Sclerenchyma
3 Xylem
4 Meristem
Explanation:
(a)Product of photosynthesis is transported from the leaves to various parts of the plants and stored in parenchyma before being utilized.
NCERT 87
Anatomy of Flowering Plants
271282
Match the following and choose the correct answer.
Column-I Column-II
(a) Cuticle (1) Guard cells
(b) Bulliform cells (2) Single layer
(c) Stomata (3) Waxy layer
(d) Epidermis (4) Empty colourless cell
1 A - 3: B - 4: C - 1: D - 2
2 A - 1: B - 2: C - 3: D - 4
3 A - 3: B - 2: C - 4: D - 1
4 A - 3: B - 2: C - 1: D - 4
Explanation:
(a)
(a)Cuticle (3)Waxy layer
(b)Bulliform cells (4)Empty colourless cells
(c)Stomata (1)Guard cells
(d)Epidermis (2).Single layer
Cuticle: It is a waxy layer present all over the plant body except root. Bulliform cells: These are empty colourless cells when the bulliform cells in the leaves absorb water and becomes turgid, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimize water loss. Stomata: These are minute apertures in the epidermis meant for gas exchange. Each aperture is bounded by two kidney shaped cells, called guard calls. Guard cells control closing and opening of stomata. Epidermis: It is generally uniseriate, i.e., composed of single layer of epidermal cells. In some cases epidermis may be multilayered, e.g., Ficus, Nerium.
271291
Stomata are distributed more on the lower surface than on the upper surface in
1 equifacial leaf
2 bifacial leaf
3 unifacial leaf
4 both(a) and (b)
Explanation:
(b)Stomata are distributed more on the lower surface than on the upper surface in bifacial leaf.
NCERT 87
Anatomy of Flowering Plants
271279
In monocot leaf
1 bulliform cells are absent from the epidermis.
2 veins form a network.
3 mesophyll is well differentiated into these parts.
4 mesophyll is not differentiated into palisade and spongy parenchyma.
Explanation:
(d)In between upper and lower epidermis, mesophyll tissue is present which is undifferentiated into palisade and spongy parenchyma, but all the cells are alike.
NCERT 93
Anatomy of Flowering Plants
271280
The stomatal pore is guarded by
1 kidney shaped guard cells
2 epidermal cells
3 subsidiary cells
4 chloroplast
Explanation:
(a)Stomata are structures present in the epidermis of leaves. The stomatal pore is guarded by kidney shaped guard cells.
NCERT 89
Anatomy of Flowering Plants
271281
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilised. What are the cells/ tissues that store them?
1 Parenchyma
2 Sclerenchyma
3 Xylem
4 Meristem
Explanation:
(a)Product of photosynthesis is transported from the leaves to various parts of the plants and stored in parenchyma before being utilized.
NCERT 87
Anatomy of Flowering Plants
271282
Match the following and choose the correct answer.
Column-I Column-II
(a) Cuticle (1) Guard cells
(b) Bulliform cells (2) Single layer
(c) Stomata (3) Waxy layer
(d) Epidermis (4) Empty colourless cell
1 A - 3: B - 4: C - 1: D - 2
2 A - 1: B - 2: C - 3: D - 4
3 A - 3: B - 2: C - 4: D - 1
4 A - 3: B - 2: C - 1: D - 4
Explanation:
(a)
(a)Cuticle (3)Waxy layer
(b)Bulliform cells (4)Empty colourless cells
(c)Stomata (1)Guard cells
(d)Epidermis (2).Single layer
Cuticle: It is a waxy layer present all over the plant body except root. Bulliform cells: These are empty colourless cells when the bulliform cells in the leaves absorb water and becomes turgid, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimize water loss. Stomata: These are minute apertures in the epidermis meant for gas exchange. Each aperture is bounded by two kidney shaped cells, called guard calls. Guard cells control closing and opening of stomata. Epidermis: It is generally uniseriate, i.e., composed of single layer of epidermal cells. In some cases epidermis may be multilayered, e.g., Ficus, Nerium.
271291
Stomata are distributed more on the lower surface than on the upper surface in
1 equifacial leaf
2 bifacial leaf
3 unifacial leaf
4 both(a) and (b)
Explanation:
(b)Stomata are distributed more on the lower surface than on the upper surface in bifacial leaf.
NCERT 87
Anatomy of Flowering Plants
271279
In monocot leaf
1 bulliform cells are absent from the epidermis.
2 veins form a network.
3 mesophyll is well differentiated into these parts.
4 mesophyll is not differentiated into palisade and spongy parenchyma.
Explanation:
(d)In between upper and lower epidermis, mesophyll tissue is present which is undifferentiated into palisade and spongy parenchyma, but all the cells are alike.
NCERT 93
Anatomy of Flowering Plants
271280
The stomatal pore is guarded by
1 kidney shaped guard cells
2 epidermal cells
3 subsidiary cells
4 chloroplast
Explanation:
(a)Stomata are structures present in the epidermis of leaves. The stomatal pore is guarded by kidney shaped guard cells.
NCERT 89
Anatomy of Flowering Plants
271281
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilised. What are the cells/ tissues that store them?
1 Parenchyma
2 Sclerenchyma
3 Xylem
4 Meristem
Explanation:
(a)Product of photosynthesis is transported from the leaves to various parts of the plants and stored in parenchyma before being utilized.
NCERT 87
Anatomy of Flowering Plants
271282
Match the following and choose the correct answer.
Column-I Column-II
(a) Cuticle (1) Guard cells
(b) Bulliform cells (2) Single layer
(c) Stomata (3) Waxy layer
(d) Epidermis (4) Empty colourless cell
1 A - 3: B - 4: C - 1: D - 2
2 A - 1: B - 2: C - 3: D - 4
3 A - 3: B - 2: C - 4: D - 1
4 A - 3: B - 2: C - 1: D - 4
Explanation:
(a)
(a)Cuticle (3)Waxy layer
(b)Bulliform cells (4)Empty colourless cells
(c)Stomata (1)Guard cells
(d)Epidermis (2).Single layer
Cuticle: It is a waxy layer present all over the plant body except root. Bulliform cells: These are empty colourless cells when the bulliform cells in the leaves absorb water and becomes turgid, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimize water loss. Stomata: These are minute apertures in the epidermis meant for gas exchange. Each aperture is bounded by two kidney shaped cells, called guard calls. Guard cells control closing and opening of stomata. Epidermis: It is generally uniseriate, i.e., composed of single layer of epidermal cells. In some cases epidermis may be multilayered, e.g., Ficus, Nerium.
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Anatomy of Flowering Plants
271291
Stomata are distributed more on the lower surface than on the upper surface in
1 equifacial leaf
2 bifacial leaf
3 unifacial leaf
4 both(a) and (b)
Explanation:
(b)Stomata are distributed more on the lower surface than on the upper surface in bifacial leaf.
NCERT 87
Anatomy of Flowering Plants
271279
In monocot leaf
1 bulliform cells are absent from the epidermis.
2 veins form a network.
3 mesophyll is well differentiated into these parts.
4 mesophyll is not differentiated into palisade and spongy parenchyma.
Explanation:
(d)In between upper and lower epidermis, mesophyll tissue is present which is undifferentiated into palisade and spongy parenchyma, but all the cells are alike.
NCERT 93
Anatomy of Flowering Plants
271280
The stomatal pore is guarded by
1 kidney shaped guard cells
2 epidermal cells
3 subsidiary cells
4 chloroplast
Explanation:
(a)Stomata are structures present in the epidermis of leaves. The stomatal pore is guarded by kidney shaped guard cells.
NCERT 89
Anatomy of Flowering Plants
271281
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilised. What are the cells/ tissues that store them?
1 Parenchyma
2 Sclerenchyma
3 Xylem
4 Meristem
Explanation:
(a)Product of photosynthesis is transported from the leaves to various parts of the plants and stored in parenchyma before being utilized.
NCERT 87
Anatomy of Flowering Plants
271282
Match the following and choose the correct answer.
Column-I Column-II
(a) Cuticle (1) Guard cells
(b) Bulliform cells (2) Single layer
(c) Stomata (3) Waxy layer
(d) Epidermis (4) Empty colourless cell
1 A - 3: B - 4: C - 1: D - 2
2 A - 1: B - 2: C - 3: D - 4
3 A - 3: B - 2: C - 4: D - 1
4 A - 3: B - 2: C - 1: D - 4
Explanation:
(a)
(a)Cuticle (3)Waxy layer
(b)Bulliform cells (4)Empty colourless cells
(c)Stomata (1)Guard cells
(d)Epidermis (2).Single layer
Cuticle: It is a waxy layer present all over the plant body except root. Bulliform cells: These are empty colourless cells when the bulliform cells in the leaves absorb water and becomes turgid, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimize water loss. Stomata: These are minute apertures in the epidermis meant for gas exchange. Each aperture is bounded by two kidney shaped cells, called guard calls. Guard cells control closing and opening of stomata. Epidermis: It is generally uniseriate, i.e., composed of single layer of epidermal cells. In some cases epidermis may be multilayered, e.g., Ficus, Nerium.
271291
Stomata are distributed more on the lower surface than on the upper surface in
1 equifacial leaf
2 bifacial leaf
3 unifacial leaf
4 both(a) and (b)
Explanation:
(b)Stomata are distributed more on the lower surface than on the upper surface in bifacial leaf.
NCERT 87
Anatomy of Flowering Plants
271279
In monocot leaf
1 bulliform cells are absent from the epidermis.
2 veins form a network.
3 mesophyll is well differentiated into these parts.
4 mesophyll is not differentiated into palisade and spongy parenchyma.
Explanation:
(d)In between upper and lower epidermis, mesophyll tissue is present which is undifferentiated into palisade and spongy parenchyma, but all the cells are alike.
NCERT 93
Anatomy of Flowering Plants
271280
The stomatal pore is guarded by
1 kidney shaped guard cells
2 epidermal cells
3 subsidiary cells
4 chloroplast
Explanation:
(a)Stomata are structures present in the epidermis of leaves. The stomatal pore is guarded by kidney shaped guard cells.
NCERT 89
Anatomy of Flowering Plants
271281
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilised. What are the cells/ tissues that store them?
1 Parenchyma
2 Sclerenchyma
3 Xylem
4 Meristem
Explanation:
(a)Product of photosynthesis is transported from the leaves to various parts of the plants and stored in parenchyma before being utilized.
NCERT 87
Anatomy of Flowering Plants
271282
Match the following and choose the correct answer.
Column-I Column-II
(a) Cuticle (1) Guard cells
(b) Bulliform cells (2) Single layer
(c) Stomata (3) Waxy layer
(d) Epidermis (4) Empty colourless cell
1 A - 3: B - 4: C - 1: D - 2
2 A - 1: B - 2: C - 3: D - 4
3 A - 3: B - 2: C - 4: D - 1
4 A - 3: B - 2: C - 1: D - 4
Explanation:
(a)
(a)Cuticle (3)Waxy layer
(b)Bulliform cells (4)Empty colourless cells
(c)Stomata (1)Guard cells
(d)Epidermis (2).Single layer
Cuticle: It is a waxy layer present all over the plant body except root. Bulliform cells: These are empty colourless cells when the bulliform cells in the leaves absorb water and becomes turgid, the leaf surface is exposed. When they are flaccid due to water stress, they make the leaves curl inwards to minimize water loss. Stomata: These are minute apertures in the epidermis meant for gas exchange. Each aperture is bounded by two kidney shaped cells, called guard calls. Guard cells control closing and opening of stomata. Epidermis: It is generally uniseriate, i.e., composed of single layer of epidermal cells. In some cases epidermis may be multilayered, e.g., Ficus, Nerium.