Lignin is a component of the secondary walls of:-

1. Epidermis

2. Collenchyma

3. Sclerenchyma

4. Parenchyma

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The pericycle, which gives rise to lateral roots, consists of:

1. Epithelial cells

2. Meristematic cells

3. Parenchymal cells

4. Endodermal cells

Subtopic:  Anatomy of Root |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Summer wood is:

(1) the same as heartwood.

(2) found to the outside of each annular ring of xylem.

(3) found to the inside of each annular ring of xylem.

(4) formed throughout the growing season.

Subtopic:  Types of Wood |
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NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


The given transverse section is of:

 

(1) Monocot stem

(2) Dicot stem

(3) Monocot root

(4) Dicot root

Subtopic:  Monocot Stem |
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Please attempt this question first.

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The vascular bundle shown in the diagram is most likely to be seen in:

 

(1) Monocot stem

(2) Dicot stem

(3) Monocot root

(4) Dicot root

Subtopic:  Vascular Tissue System |
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Please attempt this question first.

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The main function of the plant tissue shown below is:

 

(1) Storage of nutrients

(2) Providing buoyancy to submerged plants

(3) Mechanical support to growing parts of a plant

(4) Increase in the length of the plant

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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Please attempt this question first.

Difficulty Level:


Identify the wrong statement in context of heartwood.

(1) Organic compounds are deposited in it

(2) it is highly durable

(3) It conducts water and minerals efficiently

(4) It comprises dead elements with highly lignified walls

Subtopic:  Types of Wood |
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Please attempt this question first.

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Which of the following is made up of dead cells?

(1) Xylem parenchyma

(2) Collenchyma

(3) Phellem

(4) Phloem

Subtopic:  Activity of Cork Cambium |
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The vascular cambium normal gives rise to.

(1) phelloderm                                         

(2) primary phloem

(3) secondary xylem                                 

(4) periderm

Subtopic:  Activity of Vascular Cambium |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Cortex is the region found between

(1) Epidermis and stele

(2) Pericycle and endodermis

(3) Endodermis and pith

(4) Endodermis and vascular bundle

Subtopic:  Anatomy of Root |
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Please attempt this question first.

Difficulty Level: