Age of a tree can be estimated by :

1. biomass

2. number of annual rings

3. diameter of its heartwood

4. its height and girth

Subtopic:  Types of Wood |
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Heartwood differs from sapwood in

1. presence of rays and fibres

2. absence of vessels and parenchyma

3.  having dead and non-conducting elements

4. being susceptible to pests and pathogens

 

Subtopic:  Types of Wood |
To view explanation, please take trial in the course below.
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To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
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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:  Secondary Growth in Root | Types of Wood |
Please attempt this question first.
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology