A. Compression wood (CW)
B. Tension wood (TW)
C. Both (a) & (b)
D. None of these
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Related Mcqs:
- What is the causes of abnormal wood (CW/TW)?
- A. To Evarts and Mason (106) it is due to gravity B. Metzger (1908) says it is due to tension and compression C. Wersking and Baily, due to (1942) increase or decrease in plant hormones D. Philips says (1940), it is due to wind E. All of the above...
- In practice forests are not normal. They are ‘abnormal’ in ways:
- A. They are overstocked. This is found in forests where there is more area of forest under the older age classes B. They are under stocked. This is due to larger proportion of area under immature crops C. Both (a) & (b) D. None of these...
- In practice forests are not normal. They are ‘abnormal’ in ways:
- A. They are overstocked. This is found in forests where there is more area of forest under the older age classes B. They are under stocked. This is due to larger proportion of area under immature crops C. Both (a) & (b) D. None of these...
- Soft and heart wood are include:
- A. Which are derived from gymnosperms such as pines, evergreen, needle like leaves seeds in cones B. Hardwoods are those derived from angiosperms such as oak, ash, popular, with broad leaves seed enclosed bearing flowers C. Wood responsible for sap conduction is termed as sap wood D. As the wood increases in diameter, cells to...
- Shelter wood system can be classified:
- A. Uniform shelter wood system B. Group shelter wood system C. Irregular shelter wood system D. All of the above...
- Factor affecting wood measurement is / are:
- A. Saw thickness (Kerf) B. Thickness of timber C. The minimum length of sawn pieces, the more conservation and less wastage D. Wider the log, the lesser the wastage E. All of the above...
- Wood based industries as livelihood for the people is/are:
- A. Livelihood of thousand of people depends on the wood based industries B. These one their existence primarily on the wood produce on the farmlands C. Seasoned wood, wood treated with preservatives and wood in the form of veneer and board are an important component of these industries D. All of the above...
- Source of heating cooking, construction wood and minor produce is:
- A. Fuel wood B. Charcoal C. Production of construction timber D. Wood based industries as livelihood for the people E. All of the above...
- Wood consumption reduction is:
- A. Survey and inventory areas potentially rich in biodiversity and list indigenous flora and fauna B. Declare areas with rich biodiversity as genetic preserves in the form of managed wildlife sancturies or national parks C. Create career specialities in ecosystem, environment and wildlife management D. All of the above...
- Poplar and eucalypt wood has proved suitable for new and uses such as ______.
- A. Furniture B. Cross arms C. Scaffolding D. Shuttering E. All of the above...
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The correct answer to the question: "Reaction wood or abnormal wood are:" is "Both (a) & (b) ".