Pith cavity occurs in the stem of ?
(1) Helianthus

(2) Zea mays

(3) Cucurbita   

(4) Dracaena

Subtopic:  Monocot Stem |
AIIMS - 2015
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Match the Column I and II.

Column I

Column II

A.  Bulliform cells

1.   Stomata

B.  Guard cells

2.   Aerating pore

C.  Lenticels

3.   Accessory cells

D.  Subsidiary cell

4.   Isobilateral cells


        A  B  C  D
(a)   1   2  3   4
(b)   3   1  2   4
(c)   4   1  2   3
(d)   4   3  2   1

Subtopic:  Epidermal Tissue System | Monocot Leaf | Activity of Cork Cambium |
 81%
From NCERT
AIIMS - 2014
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Root cambium is derived from?

(1) primary meristem

(2) secondary meristem

(3) intercalary meristem

(4) apical meristem

 68%
From NCERT
AIIMS - 2013
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Which one of the following comprises only simple tissue?

1. Parenchyma, Collenchyma and Sclerenchyma

2. Parenchyma, Xylem and Collenchyma

3. Parenchyma, Xylem and Sclerenchyma

4. Parenchyma, Xylem and Phloem

Subtopic:  Tissue: Introduction & Classification (OLD NCERT) |
 96%
From NCERT
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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

Subtopic:  Meristematic Tissue:Classification (OLD NCERT) | Simple Tissue: Parenchyma | Simple Tissue: Chollenchyma & Sclerenchyma | Epidermal Tissue System |
 93%
From NCERT
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What is the destiny of primary xylem in a dicot root showing extensive secondary growth?

1. It is retained in the centre of the axis

2 It gets crushed

3. May or may not get crushed

4. It gets surrounded by primary phloem

Subtopic:  Secondary Growth in Root (OLD NCERT) |
 58%
From NCERT
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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

Subtopic:  Activity of Cork Cambium |
 80%
From NCERT
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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 (OLD NCERT) | Meristematic Tissue: Root Apex (OLD NCERT) |
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Epiblema of roots is same as

A. Pericycle

B. Endodermis

C. Epidermis

D. Stele

Subtopic:  Anatomy of Root |
 86%
From NCERT
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