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

A. fusiform initial cells

B, root cap

C. protoderm

D. Phellogen

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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

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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

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Epiblema of roots is same as

A. Pericycle

B. Endodermis

C. Epidermis

D. Stele

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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

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Identify the tissue system from among the following

A. Parenchyma

B. Xylem

C. Epidermis

D. Phloem

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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

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Anatomically fairly old dicotyledonous 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

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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

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