A conjoint and open vascular bundle will be observed in the transverse section of

1. monocot root

2. monocot stem

3. dicot root

4. dicot stem

Subtopic:  Vascular Tissue System |
 76%
Level 2: 60%+
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Phellogen and phellem respectively denote

1. cork and cork cambium
2. cork cambium and cork
3. secondary cortex and cork
4. cork and secondary cortex
Subtopic:  Activity of Cork Cambium |
 68%
Level 2: 60%+
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In which of the following pairs of parts of a flowering plant is epidermis absent?

1. Root tip and shoot tip
2. Shoot bud and floral bud
3. Ovule and seed
4. Petiole and pedicel

Subtopic:  Epidermal Tissue System |
Level 3: 35%-60%
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A piece of wood having no vessels (trachea) must belong to

1. teak

2. mango

3. pine

4. palm

Subtopic:  Complex Tissue: Xylem |
 66%
Level 2: 60%+
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A plant tissue, when stained, showed the presence of hemicellulose and pectin in the cell walls of its cells. The tissue represents

1. collenchyma 2. sclerenchyma
3. xylem 4. meristem

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
 93%
Level 1: 80%+
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14. Fibres are likely to be absent in

(a) secondary phloem

(b) secondary xylem

(c) primary phloem

(d) leaves

Subtopic:  Complex Tissue: Xylem | Complex Tissue: Phloem |
 61%
Level 2: 60%+
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When we peel the skin of a potato tuber, we remove

1. periderm

2. epidermis

3. cuticle

4. sapwood

Subtopic:  Epidermal Tissue System |
Level 3: 35%-60%
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A vesselless piece of stem possessing prominent sieve tubes would belong to
1. Pinus
2. Eucalyptus
3. Grass
4. Trochodendron

Subtopic:  Complex Tissue: Xylem | Complex Tissue: Phloem |
Level 4: Below 35%
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Which one of the following cell types always divide by anticlinal cell division?

1. Fusiform initial cells

2. Root cap

3. Protoderm

4. Phellogen

Subtopic:  Activity of Cork Cambium |
Level 3: 35%-60%
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The lower surface of the leaf will have more stomata in a

1. dorsiventral leaf 2. isobilateral leaf
3. Both 1 and 2 4. None of these
Subtopic:  Dicot Leaf | Monocot Leaf |
 83%
Level 1: 80%+
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