The exchange of gases between the outer atmosphere and internal tissue of stem is through ___________.

(1) Lenticels

(2) Legume

(3) Epidermis

(4) Cambium ring

Subtopic:  Activity of Cork 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:


In a TS of lenticel arrange these in order (interior to exterior)
1. Secondary cortex
2. Epidermis
3. Cork cambium
4. Complementary cells
A. 1, 3, 4, 2
B. 1, 2, 3, 4
C. 1, 4, 3, 2
D. 4, 1, 2, 3

Subtopic:  Activity of Cork 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

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In dicot root the vascular cambium is completely _________ in origin.

(1) Primary

(2) Secondary

(3) Tertiary

(4) Quaternary

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

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Which one yields fibres?

(1) Coconut

(2) Oak

(3) Teak

(4) Sisso

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

Difficulty Level:


Death of protoplasm is a pre-requisite for vital function like

(1) Transport of sap

(2) Transport of food

(3) Absorption of water

(4) Gaseous exchange

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

Difficulty Level:


Dicotyledonous leaf is also known as

(1)Dorsiventral leaf

(2)Bi-facial leaf

(3)Both A and B

(4)Isobilateral leaf

Subtopic:  Dicot Leaf |
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:


The main parts of the lamina of the dorsiventaral leaf are

(1)epidermis

(2)mesophyll tissues

(3)vascular system

(4)All of the above

Subtopic:  Dicot Leaf |
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:


The upper and lower surface of the dicots leaf are known as

(1)adaxial and abaxial respectively

(2)abaxial and adaxial respectively

(3)Both A and B

(4)anterior and posterior respectively

Subtopic:  Dicot Leaf |
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:


In dicot leaf, stomata is more present on the

(1)adaxial surface

(2)abaxial surface

(3)equally on both surfaces

(4)stomata is absent

Subtopic:  Dicot Leaf |
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:


In dicot leaf , cuticle is present on the

(1)adaxial epidermis

(2)abaxial epidermis

(3)lateral epidermis

(4)Both A and B

Subtopic:  Dicot Leaf |
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: