Passage cells are thin-walled cells found in:

1. endodermis of roots facilitating rapid transport of water from cortex to pericycle

2. phloem elements that serve as entry points for substances for transport to other plant

parts

3. testa of seeds to enable emergence of growing embryonic axis during seed

germination

4. central region of style through which the pollen tube grows towards the ovary

Subtopic:  Anatomy of Root |
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For a critical study of secondary growth in plants, which one of the following pairs is

suitable:

1. Sugarcane and sunflower

2. Teak and pine

3. Deodar and fern

4. Wheat and maiden hair fern

Subtopic:  Dicot Stem | Secondary Growth in Root |
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A common structural feature of vessel elements and sieve tube elements is :-

1. thick secondary walls

2. pores on lateral walls

3. presence of P-protein

4. enucleate condition

Subtopic:  Complex Tissue: Xylem | Complex Tissue: Phloem |
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If the stoma remains surrounded by a limited number of cells which cannot be

distinguished from other epidermal cells, then this type of stomata is known as.

1. perigynous type

2. paracytic type

3. anisocytic type

4. anomocytic type

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In the given diagram of section of root of maize, different parts have been indicated by

alphabets. Choose the answer in which these alphabets have been correctly matched

with the parts which they indicate.

1. A = Phloem, B = Xylem, C = Cortex, D = Endodermis, E = Pith, F = Root hair, G =

Epidermis

2. A = Pith, B = Root hair, C = Epiblema, D = Cortex, E = Endodermis, F = Phloem, G

= Xylem

3. A = Root hair, B = Epiblema, C = Cortex, D = Endodermis, E = Pith, F = Xylem, G

= Phloem

4. A = Epiblema, B = Root hair, C = Vascular bundle, D = Cortex, E = Phloem, F =

Xylem, G = Pith

Subtopic:  Anatomy of Root |
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Fascicular cambium separates the xylem and phloem in:-

1. only dicots

2. only monocots

3. both dicots and monocots

4. none of the above.

Subtopic:  Meristematic Tissue:Classification |
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Epidermis is derived from:-

1. phellogen

2. cambium

3. procambium

4. none of these

Subtopic:  Epidermal Tissue System |
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Passage cells are found in 

1. Dicot stem

2. Monocot root

3. Monocot stem

4. All of these

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In a dicotyledonous stem, the sequence of tissues from the outside to the inside is

(1) phellem – pericycle – endodermis – phloem

(2) phellem – phloem – endodermis – pericycle

(3) phellem – endodermis – pericycle – phloem

(4) pericycle – phellem – endodermis – phloem

Subtopic:  Dicot Stem |
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The quiescent centre in root meristem serves as:-

1. site for storage of food which is utilized during maturation

2. reservoir of growth hormones

3. reserve for replenishment of damaged cells of the meristem

4. region for absorption of water

Subtopic:  Meristematic Tissue: Root Apex |
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