Two adjacent vessel and tracheid exchange sap through

A. Perforated end walls

B. Pits

C. Intercellular spaces

D. Intracellular spaces and parenchyma

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Which one of the following comprises only simple tissue?

A. Parenchyma, Collenchyma and Sclerenchyma

B. Parenchyma, Xylem and Collenchyma

C. Parenchyma, Xylem and Sclerenchyma

D. Parenchyma, Xylem and Phloem

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Match the following

A. Meristem i. Photosynthesis, storage

B. Parenchyma ii. mechanical support

C. Collenchyma iii. Actively dividing cells

D. Sclerenchyma iv. stomata

E. Epidermal tissue v. Sclereids

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

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

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

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

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What is the destiny of primary xylem in a dicot root showing extensive secondary growth?

A. It is retained in the centre of the axis

B. It gets crushed

C. May or may not get crushed

D. It gets surrounded by primary phloem

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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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