The common medullary rays between dicot stem and root is

(1)primary medullary rays

(2)secondary medullary rays

(3)Both A and B

(4)None of the above

Subtopic:  Activity of Cork Cambium |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Secondary growth occurs in

(1)dicot root and stem of angiosperms

(2)dicot root and stem of gymnosperms

(3)monocot roots

(4)Both 1 and 2

Subtopic:  Secondary Growth in Root |
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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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Lenticels are present in

(1)stem only

(2)root only

(3)Both A and B

(4)root, stem and leaf

Subtopic:  Activity of Cork Cambium |
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NEET 2022 - Target Batch - Aryan Raj Singh

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The more correct function of the medullary rays in dicot roots are

(1) water conduction only

(2)food conduction only

(3)food and water conduction

(4) food and water conduction in radial direction

Subtopic:  Activity of Vascular Cambium |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following is known as living mechanical tissue

(1)parenchyma

(2)collenchyma

(3)sclerenchyma

(4)All of the above

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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Which one is true of collenchyma?

(1)forms the hypodermis of dicot stem

(2) present below epidermis in layers or patches

(3)thickened corners due to cellulose, hemicellulose, and pectin deposition

(4)All of the above

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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

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The main mechanical tissue of the plant is

(1)sclerenchyma

(2)collenchyma

(3)parenchyma

(4)Both B and C

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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

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Sclerenchyma is

(1) dead and lignified

(2)consists of long, narrow, thick walled cells

(3)may be in the form of fibres and sclereids

(4)All of these

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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

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Which one is true for sclereids

(1)highly thickened dead walls with narrow lumen

(2)present in fruit walls of nuts

(3)pulp of guava, pear, and sapots

(4)All of the above

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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

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Sclerenchymatous fibres are

(1) thick walled, elongated and pointed cells

(2)contains simple and bordered pits

(3)smallest  cells in plant body

(4)All of these

Subtopic:  Simple Tissue: Chollenchyma & Sclerenchyma |
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

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