Which one of the following cell types always give rise to secondary cortex?

A. fusiform initial cells

B, root cap

C. protoderm

D. Phellogen

Subtopic:  Activity of Cork Cambium |
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A stem without vessel possessing prominent sieve tubes would belong to

A. Pinus

B. Eucalyptus

C. Grass

D. Trochodendron

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While removing the skin of a potato tuber, we remove

A. Periderm

B. Epidermis

C. Cuticle

D. Sapwood

Subtopic:  Activity of Cork Cambium |
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In which of the following pairs of parts of a flowering plant is epidermis absent?

A. Root tip and shoot tip

B. Shoot bud and floral bud

C. Ovule and seed

D. Petiole and pedicel

Subtopic:  Meristematic Tissue: Shoot Apex | Meristematic Tissue: Root Apex |
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Epiblema of roots is same as

A. Pericycle

B. Endodermis

C. Epidermis

D. Stele

Subtopic:  Anatomy of Root |
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Match the following

A. Cuticle                                             i. guard cells

B. Bulliform cells                                  ii. single layer

C. Stomata                                          iii. waxy layer

D. Epidermis                                        iv. empty colourless cell

A. A-iii, B-iv, C-i, D-ii

B. A-i, B-ii, C-iii, D-iv

C. A-iii, B-ii, C-iv, D-i

D. A-iii, B-ii, C-i, D-iv

Subtopic:  Dicot Leaf | Monocot Leaf |
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Identify the tissue system from among the following

A. Parenchyma

B. Xylem

C. Epidermis

D. Phloem

Subtopic:  Epidermal Tissue System |
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A conjoint and open vascular bundle will be observed in the transverse section of

A. Monocot root

B. Monocot stem

C. Dicot root

D. Dicot stem

Subtopic:  Dicot Stem |
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Anatomically fairly old root is distinguished from dicotyledonous stem by

A. Position of Protoxylem

B. Absence of secondary xylem

C. Absence of secondary phloem

D. Presence of cortex

Subtopic:  Secondary Growth in Root |
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Which of the following is correct

1. Uneven thickening of cell wall is characteristic of sclerenchyma

2. Periblem forms cortex of stem and root

3. Tracheids are chief water conducting element in gymnosperms

4. Companion cell is devoid of nucleus at maturity

A. 2,3

B. 1,4

C. 1,2

D. 4

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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